Asteroids

2023XH2 help

Last update: 2025-02-19 13:28 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.647

Aphelion (Q)

1.321

Eccentricity (e)

0.343

Inclination (i)

2.6

deg

Orbit period (P)

356.6

Earth MOID

0.00542

U parameter

6.3

Next Earth close approach

Date

2057-07-30

Nominal distance (from Earth center)

0.12563

18793956

Maximum Brightness

25.1

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.3

mag

Diameter

15 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-12-05

Observatory

JPL SynTrack Robotic Telescope 2, Auberry

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

0.984131

1-sigma variation

0.000043

Unit

Eccentricity (e)

Value

0.342588

1-sigma variation

0.000157

Unit

Inclination (i)

Value

2.6491

1-sigma variation

0.0015

Unit

Long. of Ascending Node (Ω)

Value

71.9472

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

116.9678

1-sigma variation

0.0022

Unit

Mean Anomaly (M)

Value

84.17806

1-sigma variation

0.01763

Unit

Perihelion distance

Value

0.646980

1-sigma variation

Unit

Aphelion distance

Value

1.321283

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.043150

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.262473

1-sigma variation

Unit

MOID

Value

0.005422

1-sigma variation

Unit

Orbit Period

Value

356.5973

1-sigma variation

Unit

U parameter

Value

6.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.82216E-9	6.70143E-9	6.43723E-8	7.63212E-9	9.51269E-8	-7.52606E-7
e	6.70143E-9	2.46609E-8	2.36944E-7	2.81250E-8	3.50689E-7	-2.76705E-6
i	6.43723E-8	2.36944E-7	2.27698E-6	2.70651E-7	3.37160E-6	-2.65765E-5
Ω	7.63212E-9	2.81250E-8	2.70651E-7	3.26523E-8	4.01131E-7	-3.14918E-6
ω	9.51269E-8	3.50689E-7	3.37160E-6	4.01131E-7	5.01381E-6	-3.92436E-5
M	-7.52606E-7	-2.76705E-6	-2.65765E-5	-3.14918E-6	-3.92436E-5	3.10894E-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

26.279

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

15 - 30*

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

[-]

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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

515

Unit

Source

[1]

Normalized RMS of residuals

Value

0.450964

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-12-05.40051

Unit

Source

[2]

Last Observation

Value

2023-12-11.068426

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

49 (4)

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 2023XH2 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	1953-11-25 12:43	> 1 mo	0.1887857	0.0196439	3.8390912
EARTH	1954-12-10 23:48	> 1 mo	0.0242515	0.0056993	6.8106523
EARTH	1955-12-06 01:31	> 1 mo	0.1416232	0.0046011	5.4982093
VENUS	1959-12-06 22:06	> 1 mo	0.0135574	0.0043977	1.1129959
VENUS	1973-08-27 05:16	848.3	0.0042634	0.0042459	0.0004464
EARTH	1980-07-29 23:34	176.5	0.0952356	0.0855339	0.0032699
EARTH	1981-07-26 00:37	49.6	0.0910528	0.0822970	0.0029500
VENUS	1985-03-08 10:35	619.6	0.0454694	0.0423303	0.0010469
EARTH	1987-12-10 05:08	24.6	0.1118074	0.1105512	0.0004187
EARTH	1988-12-08 14:44	50.7	0.0593728	0.0564374	0.0009787
VENUS	1992-02-13 09:15	295.9	0.0323816	0.0258800	0.0021721
EARTH	2015-07-31 09:40	176.3	0.1120922	0.1025873	0.0031880
EARTH	2016-07-25 17:19	43.9	0.0687773	0.0610443	0.0026489
EARTH	2022-11-30 18:05	165.7	0.1704315	0.1694762	0.0003185
EARTH	2023-12-11 14:28	< 1 s	0.0127584	0.0127396	0.0000063
EARTH	2024-12-06 01:56	19.4	0.1351014	0.1338746	0.0004089
VENUS	2027-01-01 02:36	284.6	0.0225676	0.0191968	0.0011348
EARTH	2057-07-30 16:32	30.4	0.1256298	0.1229379	0.0008985
EARTH	2058-07-26 07:03	11.5	0.0388108	0.0379813	0.0003004
EARTH	2059-07-29 14:06	151.6	0.1491309	0.1467934	0.0007794
VENUS	2060-05-20 07:00	159.8	0.0247456	0.0225438	0.0007355
VENUS	2065-02-13 15:20	128.7	0.0477255	0.0433952	0.0014446
EARTH	2066-12-11 11:59	31.9	0.0827294	0.0785390	0.0013969
EARTH	2067-12-09 01:42	79.5	0.0689973	0.0646715	0.0014423
VENUS	2076-11-05 21:31	165.3	0.0458270	0.0445532	0.0004249
VENUS	2088-09-03 04:30	720.1	0.0382296	0.0325326	0.0019017
EARTH	2097-08-01 01:20	14.6	0.1539547	0.1528029	0.0003841
EARTH	2098-07-26 19:24	31.3	0.0367185	0.0365462	0.0000586
EARTH	2099-07-31 02:37	7.0	0.1548481	0.1548043	0.0000146
VENUS	2100-05-24 05:39	117.3	0.0364687	0.0348615	0.0005360
VENUS	2105-02-17 10:01	284.0	0.0207923	0.0174183	0.0011417
EARTH	2106-12-12 06:53	13.0	0.0996173	0.0995665	0.0000170
EARTH	2107-12-11 10:00	9.1	0.0344287	0.0326994	0.0005765
EARTH	2108-12-05 10:58	33.3	0.1767911	0.1739062	0.0009616
VENUS	2116-12-31 07:26	610.6	0.0168727	0.0055042	0.0045073

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
269.94205971	337.30640454	0.00553970	MINIMUM
94.70121783	201.75007247	0.03681451	MINIMUM
181.57838288	268.89486989	0.32489485	SADDLE
3.71453440	90.85511538	0.35363427	SADDLE
4.03640165	271.31634516	1.64650487	SADDLE
182.08407549	89.24873500	2.32007826	MAXIMUM

Download:

MOID Plots

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