Asteroids

2023RC15 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.577

Aphelion (Q)

2.060

Eccentricity (e)

0.562

Inclination (i)

6.1

deg

Orbit period (P)

552.9

Earth MOID

0.05386

U parameter

8.8

Next Earth close approach

Date

2026-09-15

Nominal distance (from Earth center)

0.16182

24208498

Maximum Brightness

23.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.7

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-09-15

Observatory

Mt. Lemmon Survey

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

1.318428

1-sigma variation

0.003290

Unit

Eccentricity (e)

Value

0.562493

1-sigma variation

0.001747

Unit

Inclination (i)

Value

6.0903

1-sigma variation

0.0260

Unit

Long. of Ascending Node (Ω)

Value

195.2201

1-sigma variation

0.0329

Unit

Arg. of Perihelion (ω)

Value

48.6643

1-sigma variation

0.0350

Unit

Mean Anomaly (M)

Value

200.79567

1-sigma variation

2.15679

Unit

Perihelion distance

Value

0.576821

1-sigma variation

Unit

Aphelion distance

Value

2.060035

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.344636

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.434866

1-sigma variation

Unit

MOID

Value

0.053861

1-sigma variation

Unit

Orbit Period

Value

552.9465

1-sigma variation

Unit

U parameter

Value

8.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.08266E-5	5.74802E-6	8.54099E-5	-1.07766E-4	1.14808E-4	-7.09666E-3
e	5.74802E-6	3.05173E-6	4.53456E-5	-5.72148E-5	6.09507E-5	-3.76772E-3
i	8.54099E-5	4.53456E-5	6.75208E-4	-8.54159E-4	9.09096E-4	-5.59842E-2
Ω	-1.07766E-4	-5.72148E-5	-8.54159E-4	1.08404E-3	-1.15247E-3	7.06374E-2
ω	1.14808E-4	6.09507E-5	9.09096E-4	-1.15247E-3	1.22605E-3	-7.52532E-2
M	-7.09666E-3	-3.76772E-3	-5.59842E-2	7.06374E-2	-7.52532E-2	4.65173E0

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

24.69

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

30 - 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 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

726

Unit

Source

[1]

Normalized RMS of residuals

Value

0.6818

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-09-15.223883

Unit

Source

[2]

Last Observation

Value

2023-09-20.37949

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

28 (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 2023RC15 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
MARS	1958-09-08 04:53	> 1 w	0.0330253	0.0329768	0.0328779
EARTH	1970-09-07 04:42	> 1 mo	0.0571934	0.0549958	0.1873093
EARTH	1973-09-15 02:59	> 1 mo	0.1701065	0.0546373	0.6571204
EARTH	1993-02-09 10:29	> 1 w	0.1337213	0.0806259	0.4599532
EARTH	1996-02-19 06:08	> 1 w	0.1041284	0.0805143	0.3376302
EARTH	2020-08-28 22:51	> 1 d	0.1957889	0.0516627	0.0679425
EARTH	2023-09-07 15:56	< 1 min	0.0576802	0.0571249	0.0001851
EARTH	2026-09-15 09:50	> 1 d	0.1618238	0.0530729	0.0654498
EARTH	2046-02-06 18:24	> 1 w	0.1945171	0.0811277	0.4177343
EARTH	2049-02-15 05:32	> 1 w	0.0792934	0.0792550	0.0043415
EARTH	2052-02-26 18:59	> 1 mo	0.1840508	0.0834189	0.5335529
EARTH	2076-09-02 02:44	> 1 mo	0.1362572	0.0522636	1.0949756
EARTH	2079-09-10 21:57	> 1 mo	0.0657423	0.0527896	0.7135293
EARTH	2102-02-13 00:05	> 1 mo	0.1102772	0.0788845	0.7803088
EARTH	2105-02-22 05:40	> 1 mo	0.1244512	0.0794832	0.8228477

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
65.73770269	244.00237367	0.05391085	MINIMUM
297.47861247	43.29234479	0.07981453	MINIMUM
2.46550478	145.21169929	0.44099826	SADDLE
180.83157871	322.20480578	1.07899402	SADDLE
1.68696998	323.72967816	1.56230367	SADDLE
180.26164557	141.91210187	3.07062006	MAXIMUM

Download:

MOID Plots

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