Asteroids

2024TO4 help

Last update: 2025-04-22 02:31 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.946

Aphelion (Q)

1.629

Eccentricity (e)

0.265

Inclination (i)

5.0

deg

Orbit period (P)

533.8

Earth MOID

0.00798

U parameter

7.1

Next Earth close approach

Date

2043-10-13

Nominal distance (from Earth center)

0.02879

4306410

Maximum Brightness

21.6

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

10 - 23*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-10-06

Observatory

Pan-STARRS 1, Haleakala

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.287783

1-sigma variation

0.000261

Unit

Eccentricity (e)

Value

0.265205

1-sigma variation

0.000162

Unit

Inclination (i)

Value

5.0152

1-sigma variation

0.0027

Unit

Long. of Ascending Node (Ω)

Value

19.3555

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

46.6592

1-sigma variation

0.0029

Unit

Mean Anomaly (M)

Value

110.70699

1-sigma variation

0.03015

Unit

Perihelion distance

Value

0.946257

1-sigma variation

Unit

Aphelion distance

Value

1.629310

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.015187

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.461836

1-sigma variation

Unit

MOID

Value

0.007980

1-sigma variation

Unit

Orbit Period

Value

533.7803

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.83222E-8	4.23745E-8	7.15014E-7	9.04598E-8	-7.60758E-7	-7.87994E-6
e	4.23745E-8	2.62815E-8	4.43466E-7	5.61070E-8	-4.71766E-7	-4.88730E-6
i	7.15014E-7	4.43466E-7	7.48297E-6	9.46690E-7	-7.96062E-6	-8.24667E-5
Ω	9.04598E-8	5.61070E-8	9.46690E-7	1.19849E-7	-1.00643E-6	-1.04336E-5
ω	-7.60758E-7	-4.71766E-7	-7.96062E-6	-1.00643E-6	8.49736E-6	8.77288E-5
M	-7.87994E-6	-4.88730E-6	-8.24667E-5	-1.04336E-5	8.77288E-5	9.08840E-4

Date of computation: 2025-02-19 13:28 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

27.023

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

10 - 23*

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

190

Unit

Source

[1]

Normalized RMS of residuals

Value

0.605298

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-10-06.385532

Unit

Source

[2]

Last Observation

Value

2024-10-14.32194

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

43 (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 2024TO4 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
EARTH	1971-10-23 17:26	> 1 w	0.0247550	0.0051800	0.0571971
EARTH	1996-12-11 18:45	> 1 w	0.0807184	0.0784550	0.0062279
EARTH	1999-09-27 21:06	> 1 d	0.1917862	0.0653200	0.0421812
EARTH	2022-01-18 17:03	449.9	0.1729297	0.1586790	0.0048316
EARTH	2024-10-15 06:54	< 1 min	0.0116586	0.0116387	0.0000066
EARTH	2043-10-13 00:23	> 1 d	0.0287866	0.0070977	0.0316779
EARTH	2059-10-25 14:35	> 1 mo	0.0306976	0.0052352	0.2904921
EARTH	2076-01-21 16:15	> 1 mo	0.1726527	0.0876895	1.6871015
EARTH	2078-09-30 00:29	> 1 mo	0.1663426	0.0018456	2.2062742
EARTH	2094-12-08 01:42	> 1 mo	0.0800666	0.0759736	0.4250589
EARTH	2113-10-16 03:38	> 1 mo	0.0146800	0.0087488	2.2722487

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
327.39594428	278.51409009	0.00790328	MINIMUM
179.91743763	139.12270313	0.63159365	SADDLE
357.94333799	137.55293324	1.95693169	SADDLE
178.31416332	317.90411219	2.62311197	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out