Asteroids

2024XP16 help

Last update: 2025-12-31 05:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.855

Aphelion (Q)

1.133

Eccentricity (e)

0.140

Inclination (i)

2.9

deg

Orbit period (P)

362.1

Earth MOID

0.00120

U parameter

2.1

Next Earth close approach

Date

2026-10-30

Nominal distance (from Earth center)

0.11455

17135938

Maximum Brightness

29.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.2

mag

Diameter

6 - 13*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-12-10

Observatory

ATLAS-HKO, 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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.994226

1-sigma variation

8.490E-8

Unit

Eccentricity (e)

Value

0.139927

1-sigma variation

0.000002

Unit

Inclination (i)

Value

2.8567

1-sigma variation

3.473E-5

Unit

Long. of Ascending Node (Ω)

Value

257.7899

1-sigma variation

2.035E-5

Unit

Arg. of Perihelion (ω)

Value

84.2770

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

63.92079

1-sigma variation

0.00005

Unit

Perihelion distance

Value

0.855107

1-sigma variation

Unit

Aphelion distance

Value

1.133345

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.055484

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.003780

1-sigma variation

Unit

MOID

Value

0.001204

1-sigma variation

Unit

Orbit Period

Value

362.0980

1-sigma variation

Unit

U parameter

Value

2.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.20727E-15	-1.75994E-13	-2.90588E-12	-1.25230E-12	1.61377E-11	1.63048E-12
e	-1.75994E-13	4.45839E-12	7.24129E-11	3.56540E-11	-4.00287E-10	-5.69011E-11
i	-2.90588E-12	7.24129E-11	1.20600E-9	5.68406E-10	-6.57912E-9	-8.13047E-10
Ω	-1.25230E-12	3.56540E-11	5.68406E-10	4.14152E-10	-3.02287E-9	-8.36134E-10
ω	1.61377E-11	-4.00287E-10	-6.57912E-9	-3.02287E-9	3.64111E-8	4.29767E-9
M	1.63048E-12	-5.69011E-11	-8.13047E-10	-8.36134E-10	4.29767E-9	2.21214E-9

Date of computation: 2025-12-31 05:30 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

28.235

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

6 - 13*

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

374

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.564725

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-12-10.453541

Unit

Source

[2]

Last Observation

Value

2025-12-19.578349

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

69 (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 2024XP16 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1963-05-25 18:09	3.1	0.1612964	0.1601397	0.0003856
EARTH	1964-05-30 04:32	18.3	0.0405897	0.0388080	0.0005940
EARTH	1965-06-04 13:13	26.2	0.0636141	0.0620771	0.0005124
EARTH	1966-04-14 15:50	431.8	0.1413544	0.1409579	0.0001322
EARTH	1966-08-03 03:54	397.1	0.1315483	0.1312146	0.0001113
EARTH	1967-03-17 11:24	244.3	0.1684623	0.1684516	0.0000036
EARTH	1967-09-06 19:08	150.9	0.1464518	0.1464095	0.0000141
EARTH	1968-02-20 16:59	94.0	0.1670133	0.1669273	0.0000286
EARTH	1968-10-10 16:48	75.9	0.1281338	0.1280487	0.0000284
EARTH	1969-01-22 07:30	71.1	0.1361662	0.1361064	0.0000200
EARTH	1969-12-07 04:26	4.0	0.0520138	0.0512997	0.0002380
EARTH	1970-12-11 10:20	20.5	0.0527560	0.0516969	0.0003530
EARTH	1971-12-16 12:07	16.2	0.1705586	0.1694790	0.0003599
EARTH	2017-05-25 11:47	< 1 min	0.1491236	0.1491119	0.0000039
EARTH	2018-05-30 11:55	< 1 min	0.0371326	0.0370977	0.0000116
EARTH	2019-06-03 15:28	< 1 min	0.0557886	0.0557496	0.0000130
EARTH	2020-04-19 00:27	12.7	0.1330455	0.1330274	0.0000060
EARTH	2020-07-26 21:10	13.1	0.1259582	0.1259429	0.0000051
EARTH	2021-03-22 13:58	9.5	0.1638209	0.1638117	0.0000031
EARTH	2021-08-28 17:07	9.1	0.1463655	0.1463580	0.0000025
EARTH	2022-02-27 11:51	7.1	0.1687614	0.1687551	0.0000021
EARTH	2022-09-28 11:45	6.3	0.1390880	0.1390828	0.0000017
EARTH	2023-02-03 04:42	5.3	0.1503263	0.1503205	0.0000019
EARTH	2023-11-07 11:14	3.5	0.0979415	0.0979367	0.0000016
EARTH	2023-12-30 12:29	2.8	0.0992167	0.0992112	0.0000018
EARTH	2024-12-08 17:30	< 1 min	0.0010897	0.0010896	0.0000000
EARTH	2025-12-09 23:23	< 1 min	0.0550322	0.0550298	0.0000008
EARTH	2026-10-30 07:50	< 1 min	0.1145467	0.1145424	0.0000014
EARTH	2027-01-08 04:02	< 1 min	0.1072436	0.1072397	0.0000013
EARTH	2027-10-03 18:39	1.1	0.1444248	0.1444195	0.0000018
EARTH	2028-01-31 05:07	1.1	0.1360212	0.1360162	0.0000017
EARTH	2028-09-12 01:55	1.7	0.1585661	0.1585600	0.0000020
EARTH	2029-02-18 10:12	1.7	0.1485551	0.1485490	0.0000020
EARTH	2029-08-24 00:58	2.2	0.1613384	0.1613315	0.0000023
EARTH	2030-03-09 01:59	2.4	0.1477322	0.1477251	0.0000024
EARTH	2030-08-04 17:43	2.9	0.1536944	0.1536868	0.0000026
EARTH	2031-03-29 16:05	3.1	0.1329000	0.1328916	0.0000028
EARTH	2031-07-14 00:50	3.5	0.1341028	0.1340939	0.0000030
EARTH	2032-04-29 03:07	3.2	0.0981410	0.0981297	0.0000038
EARTH	2032-06-12 17:07	3.3	0.0970617	0.0970505	0.0000038
EARTH	2033-05-19 15:17	< 1 min	0.0400651	0.0400552	0.0000033
EARTH	2034-05-17 01:34	< 1 min	0.0240565	0.0240536	0.0000010
EARTH	2035-05-13 23:30	< 1 min	0.0916278	0.0916256	0.0000007
EARTH	2036-05-09 16:56	< 1 min	0.1714082	0.1714065	0.0000006
EARTH	2097-12-14 07:21	2.5	0.1607374	0.1605473	0.0000634
EARTH	2098-12-11 10:16	2.7	0.0793750	0.0791894	0.0000618
EARTH	2099-12-09 05:50	2.1	0.0067978	0.0066406	0.0000524
EARTH	2100-12-10 21:52	46.9	0.0485716	0.0461172	0.0008181
EARTH	2101-12-13 08:57	72.7	0.1051235	0.1009438	0.0013932
EARTH	2102-12-16 02:52	84.6	0.1669395	0.1613529	0.0018622

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
86.39147229	335.62989146	0.00120363	MINIMUM
264.27656357	136.42970942	0.01759655	MINIMUM
176.06432721	56.60245459	0.15099444	SADDLE
354.44103652	235.30820104	0.16145672	SADDLE
353.51392254	54.20852822	1.84597789	SADDLE
174.74863034	235.45337023	2.14259783	MAXIMUM

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MOID Plots

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