Asteroids

2023RD15 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.794

Aphelion (Q)

1.154

Eccentricity (e)

0.185

Inclination (i)

2.1

deg

Orbit period (P)

351.2

Earth MOID

0.01514

U parameter

4.0

Next Earth close approach

Date

2045-05-07

Nominal distance (from Earth center)

0.17047

25501978

Maximum Brightness

26.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.9

mag

Diameter

11 - 25*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-09-15

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.974169

1-sigma variation

0.000001

Unit

Eccentricity (e)

Value

0.184923

1-sigma variation

0.000109

Unit

Inclination (i)

Value

2.1161

1-sigma variation

0.0018

Unit

Long. of Ascending Node (Ω)

Value

156.6198

1-sigma variation

0.0054

Unit

Arg. of Perihelion (ω)

Value

314.3557

1-sigma variation

0.0046

Unit

Mean Anomaly (M)

Value

358.65521

1-sigma variation

0.01155

Unit

Perihelion distance

Value

0.794022

1-sigma variation

Unit

Aphelion distance

Value

1.154316

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.157688

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.070109

1-sigma variation

Unit

MOID

Value

0.015141

1-sigma variation

Unit

Orbit Period

Value

351.1962

1-sigma variation

Unit

U parameter

Value

4.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.07182E-12	3.15669E-11	9.19258E-10	3.77484E-9	-3.40285E-9	1.94003E-9
e	3.15669E-11	1.19096E-8	1.83895E-7	4.40686E-7	-3.47943E-7	1.25033E-6
i	9.19258E-10	1.83895E-7	3.19906E-6	8.98439E-6	-7.32291E-6	1.85163E-5
Ω	3.77484E-9	4.40686E-7	8.98439E-6	2.95251E-5	-2.47004E-5	4.14886E-5
ω	-3.40285E-9	-3.47943E-7	-7.32291E-6	-2.47004E-5	2.07924E-5	-3.21214E-5
M	1.94003E-9	1.25033E-6	1.85163E-5	4.14886E-5	-3.21214E-5	1.33387E-4

Date of computation: 2025-09-10 00:30 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

26.914

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

11 - 25*

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

769

Unit

Source

[1]

Normalized RMS of residuals

Value

0.501479

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-09-15.43969

Unit

Source

[2]

Last Observation

Value

2023-09-18.479682

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (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 2023RD15 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	1970-05-02 02:18	11.5	0.0351653	0.0349256	0.0001554
EARTH	1971-02-15 16:53	> 1 d	0.1731112	0.1717054	0.0004696
EARTH	1971-07-10 06:41	1401.5	0.1402662	0.1398690	0.0001329
EARTH	1971-12-22 16:41	> 1 d	0.1844758	0.1841496	0.0001090
EARTH	1972-09-20 13:39	360.7	0.0474248	0.0431412	0.0014370
EARTH	1973-09-18 08:13	70.3	0.1860340	0.1814277	0.0015355
EARTH	1995-05-04 02:22	7.0	0.0810722	0.0802990	0.0002579
EARTH	1996-03-11 11:38	508.1	0.1417986	0.1413895	0.0001365
EARTH	1996-06-13 13:23	461.4	0.1251994	0.1249768	0.0000742
EARTH	1997-01-12 09:21	623.7	0.1895029	0.1892178	0.0000951
EARTH	1997-08-16 22:55	667.7	0.1169645	0.1157975	0.0003893
EARTH	1997-11-12 23:36	1056.7	0.1426142	0.1412051	0.0004697
EARTH	1998-09-22 17:26	30.7	0.0816157	0.0790176	0.0008666
EARTH	2020-05-07 22:49	18.0	0.1781383	0.1770176	0.0003736
EARTH	2021-05-03 19:19	80.6	0.0670490	0.0659851	0.0003554
EARTH	2022-02-02 09:50	285.9	0.1830914	0.1826619	0.0001432
EARTH	2022-07-22 22:11	166.7	0.1389339	0.1386721	0.0000873
EARTH	2022-12-10 03:09	156.5	0.1748376	0.1746290	0.0000695
EARTH	2023-09-24 01:43	< 1 min	0.0153431	0.0153122	0.0000103
EARTH	2045-05-07 18:16	16.9	0.1704702	0.1693726	0.0003659
EARTH	2046-05-08 22:24	150.7	0.0764143	0.0754676	0.0003159
EARTH	2047-01-29 20:33	237.8	0.1858350	0.1854728	0.0001208
EARTH	2047-07-27 06:35	160.2	0.1357735	0.1354560	0.0001058
EARTH	2047-12-04 19:47	208.0	0.1701336	0.1697974	0.0001121
EARTH	2048-09-22 20:07	5.3	0.0264459	0.0259040	0.0001817
EARTH	2068-05-08 15:23	67.1	0.1703248	0.1656768	0.0015503
EARTH	2069-05-20 17:56	1277.2	0.0910618	0.0877196	0.0011174
EARTH	2070-01-22 14:08	> 1 d	0.1915836	0.1910588	0.0001753
EARTH	2070-08-08 07:29	1349.5	0.1246937	0.1234358	0.0004201
EARTH	2070-11-20 22:38	> 1 d	0.1556641	0.1538653	0.0005997
EARTH	2071-09-22 02:35	45.5	0.0847369	0.0806970	0.0013478
EARTH	2091-05-04 04:17	99.4	0.0474780	0.0425146	0.0017663
EARTH	2092-02-23 03:56	> 1 d	0.1679305	0.1657784	0.0007202
EARTH	2092-07-03 08:15	> 1 d	0.1371399	0.1363542	0.0002636
EARTH	2092-12-26 04:39	> 1 d	0.1886624	0.1876367	0.0003426
EARTH	2093-09-18 09:10	807.7	0.0558929	0.0494923	0.0021508
EARTH	2094-09-18 00:12	85.2	0.1928693	0.1868218	0.0020160
EARTH	2115-05-03 20:32	274.9	0.0419994	0.0334947	0.0051321
EARTH	2116-02-09 06:31	> 1 w	0.1816342	0.1756872	0.0020254
EARTH	2116-07-18 17:51	> 1 d	0.1387652	0.1367756	0.0006832
EARTH	2116-12-13 10:50	> 1 w	0.1793207	0.1728789	0.0021634
EARTH	2117-09-24 00:44	129.9	0.0165220	0.0164357	0.0010193

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
259.87253027	259.18563292	0.01530794	MINIMUM
99.44413046	117.68536619	0.03359252	MINIMUM
179.09894753	188.12027115	0.14115532	SADDLE
359.82573192	8.37218770	0.19113511	SADDLE
0.95678730	189.70267766	1.81005622	SADDLE
180.79847774	9.54566128	2.13800147	MAXIMUM

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MOID Plots

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