Asteroids

2023RG13 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.527

Aphelion (Q)

1.038

Eccentricity (e)

0.326

Inclination (i)

8.4

deg

Orbit period (P)

252.8

Earth MOID

0.01324

U parameter

7.0

Next Earth close approach

Date

2032-09-19

Nominal distance (from Earth center)

0.04045

6051509

Maximum Brightness

19.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.4

mag

Diameter

30 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-09-15

Observatory

MARGO, Nauchnyi

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.782468

1-sigma variation

0.000068

Unit

Eccentricity (e)

Value

0.326388

1-sigma variation

0.000139

Unit

Inclination (i)

Value

8.3900

1-sigma variation

0.0051

Unit

Long. of Ascending Node (Ω)

Value

350.0706

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

193.0269

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

142.21314

1-sigma variation

0.17993

Unit

Perihelion distance

Value

0.527080

1-sigma variation

Unit

Aphelion distance

Value

1.037857

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.018239

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.462629

1-sigma variation

Unit

MOID

Value

0.013245

1-sigma variation

Unit

Orbit Period

Value

252.8125

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.65561E-9	-9.49398E-9	-3.48245E-7	-6.84981E-8	-3.06850E-8	-1.22772E-5
e	-9.49398E-9	1.93607E-8	7.10170E-7	1.39689E-7	6.25934E-8	2.50363E-5
i	-3.48245E-7	7.10170E-7	2.60508E-5	5.12443E-6	2.29844E-6	9.18342E-4
Ω	-6.84981E-8	1.39689E-7	5.12443E-6	1.00812E-6	4.52720E-7	1.80632E-4
ω	-3.06850E-8	6.25934E-8	2.29844E-6	4.52720E-7	2.10256E-7	8.09011E-5
M	-1.22772E-5	2.50363E-5	9.18342E-4	1.80632E-4	8.09011E-5	3.23759E-2

Date of computation: 2026-03-17 23:26 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

24.427

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

30 - 80*

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

928

Unit

Source

[1]

Normalized RMS of residuals

Value

0.565171

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-09-15.08808

Unit

Source

[2]

Last Observation

Value

2023-09-25.183768

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

169 (1)

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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2023RG13 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	1953-09-04 03:57	1153.4	0.0433371	0.0197672	0.0096553
EARTH	1962-09-06 23:34	135.8	0.0218095	0.0200728	0.0006071
EARTH	1971-09-04 09:04	1078.4	0.0488499	0.0202899	0.0113980
EARTH	1978-10-22 13:27	6.5	0.1795833	0.1445972	0.0122317
EARTH	1980-09-01 15:46	175.5	0.1070046	0.0664967	0.0137355
EARTH	1987-10-21 13:51	729.0	0.1291182	0.1037404	0.0095453
EARTH	1989-09-02 02:40	216.3	0.1684233	0.1303692	0.0127405
EARTH	1996-10-15 19:13	> 1 d	0.0929342	0.0801340	0.0054816
EARTH	2005-10-05 02:34	> 1 d	0.0687495	0.0609994	0.0032880
EARTH	2014-09-23 01:12	> 1 d	0.0476517	0.0400877	0.0027318
EARTH	2023-09-16 20:49	< 1 min	0.0324291	0.0323808	0.0000161
EARTH	2032-09-19 07:29	> 1 d	0.0404518	0.0319624	0.0030659
EARTH	2041-10-01 09:31	> 1 d	0.0625314	0.0544949	0.0031472
EARTH	2050-10-15 16:51	> 1 d	0.0905785	0.0796934	0.0043447
EARTH	2052-09-02 09:22	200.3	0.1993770	0.1718024	0.0092083
EARTH	2059-10-22 06:06	280.0	0.1426839	0.1267167	0.0055266
EARTH	2061-09-01 21:56	42.3	0.1184769	0.0997487	0.0062681
EARTH	2068-10-22 04:08	20.9	0.1976338	0.1910773	0.0021938
EARTH	2070-09-03 06:35	95.9	0.0635832	0.0592913	0.0014358
EARTH	2079-09-04 05:51	281.9	0.0495816	0.0398256	0.0032988
EARTH	2086-10-22 23:57	100.6	0.1964876	0.1787986	0.0059938
EARTH	2088-09-02 02:45	202.4	0.0841671	0.0643397	0.0066678
EARTH	2095-10-22 19:29	230.6	0.1412607	0.1256081	0.0054695
EARTH	2097-09-02 01:57	99.9	0.1540028	0.1343255	0.0065720
EARTH	2104-10-17 18:02	689.4	0.0955123	0.0897530	0.0020889
EARTH	2113-10-09 14:47	155.6	0.0758287	0.0753929	0.0001487
EARTH	2122-10-05 06:55	1002.7	0.0687070	0.0653781	0.0011670

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
156.67320944	245.99440546	0.01317358	MINIMUM
8.31455794	91.33565131	0.47373467	SADDLE
6.20743823	268.40838678	1.52895528	SADDLE
182.29959029	84.23519013	2.03611454	MAXIMUM

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MOID Plots

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