Asteroids

2024DQ help

Last update: 2024-09-11 14:37 UTC

Orbital Properties

Epoch

60600.0

MJD

Orbit type

Aten

Perihelion (q)

0.949

Aphelion (Q)

1.009

Eccentricity (e)

0.030

Inclination (i)

4.6

deg

Orbit period (P)

353.7

Earth MOID

0.01483

U parameter

4.4

Next Earth close approach

Date

2052-10-29

Nominal distance (from Earth center)

0.09148

13685476

Maximum Brightness

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

24.8

mag

Diameter

29 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-02-16

Observatory

Steward Observatory, Mt. Lemmon Station

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

0.978825

1-sigma variation

0.000003

Unit

Eccentricity (e)

Value

0.030371

1-sigma variation

0.000037

Unit

Inclination (i)

Value

4.5750

1-sigma variation

0.0029

Unit

Long. of Ascending Node (Ω)

Value

16.6368

1-sigma variation

0.0012

Unit

Arg. of Perihelion (ω)

Value

277.3630

1-sigma variation

0.0236

Unit

Mean Anomaly (M)

Value

103.63030

1-sigma variation

0.02792

Unit

Perihelion distance

Value

0.949096

1-sigma variation

Unit

Aphelion distance

Value

1.008553

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.024524

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.017159

1-sigma variation

Unit

MOID

Value

0.014830

1-sigma variation

Unit

Orbit Period

Value

353.7169

1-sigma variation

Unit

U parameter

Value

4.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.31684E-12	-9.33286E-11	-7.34919E-9	-2.98272E-9	5.92772E-8	-7.00385E-8
e	-9.33286E-11	1.38284E-9	1.08900E-7	4.42438E-8	-8.78916E-7	1.03824E-6
i	-7.34919E-9	1.08900E-7	8.57618E-6	3.48280E-6	-6.92144E-5	8.17628E-5
Ω	-2.98272E-9	4.42438E-8	3.48280E-6	1.42931E-6	-2.81434E-5	3.32266E-5
ω	5.92772E-8	-8.78916E-7	-6.92144E-5	-2.81434E-5	5.58738E-4	-6.59971E-4
M	-7.00385E-8	1.03824E-6	8.17628E-5	3.32266E-5	-6.59971E-4	7.79577E-4

Date of computation: 2024-07-23 14:53 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

24.805

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

29 - 70*

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 ODIM	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

173

Unit

Source

[1]

Normalized RMS of residuals

Value

0.460625

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-02-16.475641

Unit

Source

[2]

Last Observation

Value

2024-03-22.489783

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

71 (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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

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

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2024DQ from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1953-10-29 17:51	227.0	0.1772386	0.1737113	0.0011763
EARTH	1954-10-23 21:08	727.5	0.0606771	0.0520161	0.0029040
EARTH	1955-10-13 17:04	> 1 d	0.0366320	0.0213420	0.0054076
EARTH	1956-05-31 09:58	> 1 w	0.0889830	0.0729493	0.0059091
EARTH	1957-04-02 08:07	> 1 d	0.0183925	0.0143517	0.0063575
EARTH	1958-03-22 05:27	333.4	0.1759582	0.1447837	0.0104037
EARTH	1990-11-01 09:18	13.9	0.1467198	0.1432837	0.0011458
EARTH	1991-10-16 15:12	380.7	0.0225027	0.0196733	0.0010128
EARTH	1992-05-13 18:41	> 1 d	0.0829847	0.0797182	0.0011078
EARTH	1993-03-21 18:07	149.7	0.0881986	0.0822294	0.0019948
EARTH	2022-10-22 19:46	13.1	0.0422130	0.0421475	0.0000218
EARTH	2023-07-31 21:51	88.3	0.0983061	0.0980854	0.0000736
EARTH	2024-03-30 16:59	< 1 min	0.0164428	0.0164083	0.0000115
EARTH	2052-10-29 02:21	72.0	0.0914818	0.0894106	0.0006911
EARTH	2053-08-31 18:08	747.5	0.0859700	0.0848054	0.0003906
EARTH	2054-03-30 14:53	61.8	0.0162254	0.0160974	0.0000575
EARTH	2079-11-07 05:55	1258.4	0.1645828	0.0696324	0.0328080
EARTH	2080-09-30 10:24	> 1 w	0.0522376	0.0330160	0.0243400
EARTH	2081-04-01 18:05	> 1 d	0.0259211	0.0179600	0.0230851
EARTH	2082-03-12 18:15	437.5	0.1869633	0.0992658	0.0295050
EARTH	2108-10-23 00:57	> 1 w	0.0526509	0.0228486	0.0800667
EARTH	2109-07-09 12:51	> 1 mo	0.1015126	0.0993684	0.0008992
EARTH	2110-03-24 01:44	1221.5	0.0580437	0.0277669	0.0224604

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
261.91932068	87.95349468	0.01576280	MINIMUM
90.70169367	282.39304155	0.01704455	MINIMUM
176.23718554	5.13623973	0.08554476	SADDLE
356.34664739	185.18135566	0.10372465	SADDLE
356.85836558	5.71805397	1.93014790	SADDLE
177.03561934	185.89541694	2.02827409	MAXIMUM

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MOID Plots

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