Asteroids

2024HB help

Last update: 2025-01-22 06:31 UTC

Orbital Properties

Epoch

60600.0

MJD

Orbit type

Apollo

Perihelion (q)

0.671

Aphelion (Q)

1.353

Eccentricity (e)

0.336

Inclination (i)

14.0

deg

Orbit period (P)

371.9

Earth MOID

0.00149

U parameter

6.8

Next Earth close approach

Date

2025-04-19

Nominal distance (from Earth center)

0.11439

17113108

Maximum Brightness

26.5

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.9

mag

Diameter

7 - 16*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-04-16

Observatory

Mt. Lemmon Survey

ORBIT VISUALISATION TOOLS

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60600.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.012018

1-sigma variation

0.000102

Unit

Eccentricity (e)

Value

0.336500

1-sigma variation

0.000161

Unit

Inclination (i)

Value

13.9513

1-sigma variation

0.0080

Unit

Long. of Ascending Node (Ω)

Value

204.8884

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

251.6360

1-sigma variation

0.0058

Unit

Mean Anomaly (M)

Value

248.53645

1-sigma variation

0.05258

Unit

Perihelion distance

Value

0.671474

1-sigma variation

Unit

Aphelion distance

Value

1.352563

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.002594

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.184895

1-sigma variation

Unit

MOID

Value

0.001492

1-sigma variation

Unit

Orbit Period

Value

371.8614

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.04631E-8	1.64185E-8	8.11331E-7	-1.44642E-8	5.81773E-7	-5.37752E-6
e	1.64185E-8	2.59407E-8	1.28142E-6	-2.17836E-8	9.01383E-7	-8.44858E-6
i	8.11331E-7	1.28142E-6	6.33036E-5	-1.07855E-6	4.45719E-5	-4.17465E-4
Ω	-1.44642E-8	-2.17836E-8	-1.07855E-6	2.49386E-8	-8.63677E-7	7.38069E-6
ω	5.81773E-7	9.01383E-7	4.45719E-5	-8.63677E-7	3.30975E-5	-2.98334E-4
M	-5.37752E-6	-8.44858E-6	-4.17465E-4	7.38069E-6	-2.98334E-4	2.76438E-3

Date of computation: 2024-12-09 13:46 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

27.877

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

7 - 16*

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

279

Unit

Source

[1]

Normalized RMS of residuals

Value

0.693003

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-04-16.208026

Unit

Source

[2]

Last Observation

Value

2024-04-18.232845

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

33 (0)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

Unit

Source

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close Approaches for 2024HB from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
VENUS	1991-10-07 12:50	913.8	0.0414129	0.0306801	0.0078093
EARTH	1994-09-13 09:17	782.2	0.1775473	0.1606140	0.0060542
EARTH	1995-09-16 20:43	850.5	0.1494569	0.1381989	0.0043640
EARTH	1996-09-19 15:28	947.0	0.1319203	0.1280600	0.0020618
EARTH	1997-09-23 18:39	1082.0	0.1281384	0.1278506	0.0005124
EARTH	1998-09-28 14:31	1298.5	0.1381583	0.1321049	0.0026553
EARTH	1999-10-04 07:59	> 1 d	0.1584296	0.1478315	0.0039875
EARTH	2000-10-10 11:19	> 1 d	0.1849419	0.1723118	0.0045270
EARTH	2019-04-17 04:44	328.5	0.1956717	0.1870538	0.0028733
EARTH	2020-04-13 08:29	105.8	0.1514968	0.1438145	0.0025609
EARTH	2021-04-12 21:54	3.5	0.1074388	0.1010399	0.0021330
EARTH	2022-04-13 12:32	43.0	0.0649561	0.0600669	0.0016297
EARTH	2023-04-14 15:46	39.3	0.0259988	0.0229525	0.0010155
EARTH	2024-04-14 17:45	< 1 min	0.0034825	0.0034763	0.0000021
EARTH	2025-04-19 00:49	52.7	0.1143941	0.1115553	0.0009462
VENUS	2063-09-28 19:14	> 1 d	0.0396068	0.0394731	0.0017156
EARTH	2066-09-17 06:42	> 1 d	0.1534885	0.1223677	0.0190537
EARTH	2067-09-26 07:50	> 1 d	0.1201402	0.1194381	0.0036783
EARTH	2068-10-08 20:42	> 1 d	0.1679446	0.1321476	0.0233713
EARTH	2077-04-14 01:39	> 1 d	0.1725907	0.0096759	0.0615012
EARTH	2078-04-13 14:29	> 1 d	0.0621025	0.0003689	0.0653957
EARTH	2079-04-17 02:47	> 1 d	0.0455486	0.0009182	0.0629615
EARTH	2080-04-20 19:52	> 1 d	0.1594280	0.0074061	0.0508341
VENUS	2096-05-05 21:36	> 1 w	0.0438674	0.0398133	0.0732966
EARTH	2120-09-14 21:42	> 1 mo	0.1860296	0.1233611	0.4540019
EARTH	2121-09-23 03:27	> 1 mo	0.1222935	0.1185053	0.1522009
EARTH	2122-10-04 08:29	> 1 mo	0.1412696	0.1226982	0.3124219

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
90.03123402	102.02470684	0.00041643	MINIMUM
283.22988129	258.18143074	0.12977627	MINIMUM
6.24945313	1.72248606	0.37024386	SADDLE
186.86809457	177.59229150	0.42318076	SADDLE
1.32737061	174.73952530	1.67062990	SADDLE
178.33032895	351.35675982	2.30993193	MAXIMUM

Download:

MOID Plots

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