Asteroids

2023RS help

Last update: 2025-07-29 02:36 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.888

Aphelion (Q)

2.045

Eccentricity (e)

0.395

Inclination (i)

10.0

deg

Orbit period (P)

648.4

Earth MOID

0.00037

U parameter

7.4

Next Earth close approach

Date

2039-08-27

Nominal distance (from Earth center)

0.13836

20699106

Maximum Brightness

30.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

32.1

mag

Diameter

1.0 - 2.2*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-09-07

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.466112

1-sigma variation

0.000579

Unit

Eccentricity (e)

Value

0.394611

1-sigma variation

0.000251

Unit

Inclination (i)

Value

9.9755

1-sigma variation

0.0039

Unit

Long. of Ascending Node (Ω)

Value

164.3796

1-sigma variation

4.350E-5

Unit

Arg. of Perihelion (ω)

Value

234.7046

1-sigma variation

0.0093

Unit

Mean Anomaly (M)

Value

312.29396

1-sigma variation

0.17833

Unit

Perihelion distance

Value

0.887568

1-sigma variation

Unit

Aphelion distance

Value

2.044656

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.611119

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.000648

1-sigma variation

Unit

MOID

Value

0.000368

1-sigma variation

Unit

Orbit Period

Value

648.4094

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.34958E-7	1.45230E-7	-2.20535E-6	2.33039E-8	-5.23692E-6	-1.03208E-4
e	1.45230E-7	6.30170E-8	-9.51473E-7	9.99266E-9	-2.25564E-6	-4.47532E-5
i	-2.20535E-6	-9.51473E-7	1.50244E-5	-1.65048E-7	3.59311E-5	6.79074E-4
Ω	2.33039E-8	9.99266E-9	-1.65048E-7	1.89206E-9	-3.98633E-7	-7.16999E-6
ω	-5.23692E-6	-2.25564E-6	3.59311E-5	-3.98633E-7	8.64855E-5	1.61221E-3
M	-1.03208E-4	-4.47532E-5	6.79074E-4	-7.16999E-6	1.61221E-3	3.18012E-2

Date of computation: 2025-07-29 02:36 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

32.143

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

1.0 - 2.2*

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

0.3

Unit

Source

[1]

Unobserved

Value

710

Unit

Source

[1]

Normalized RMS of residuals

Value

0.31578

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-09-07.180572

Unit

Source

[2]

Last Observation

Value

2023-09-07.502148

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

33 (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 2023RS 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	1970-09-10 05:21	> 1 w	0.0226910	0.0005065	0.0421088
EARTH	1993-10-31 08:35	> 1 w	0.1063312	0.0971221	0.0031093
EARTH	2016-12-15 03:48	> 1 d	0.0316521	0.0175810	0.0139638
EARTH	2023-09-07 14:25	< 1 min	0.0000693	0.0000692	0.0000000
MARS	2036-08-30 23:01	1273.6	0.0309463	0.0189512	0.0257031
EARTH	2039-08-27 04:14	> 1 d	0.1383650	0.0068378	0.0558517
EARTH	2047-01-01 08:45	> 1 d	0.1784386	0.1646348	0.0251601
EARTH	2062-12-07 07:05	> 1 w	0.1760052	0.1697405	0.0158035
EARTH	2078-10-17 17:12	> 1 mo	0.1548314	0.0925292	0.0465558
EARTH	2094-09-15 17:11	> 1 w	0.0587656	0.0026915	0.0844058
EARTH	2110-09-11 06:23	> 1 w	0.0211090	0.0017701	0.0796059

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
322.42467553	243.06164962	0.00036835	MINIMUM
37.27472915	351.47250918	0.16494174	MINIMUM
12.60478088	316.36719131	0.17971924	SADDLE
180.88242481	116.60814422	1.05737640	SADDLE
358.79723715	115.57344877	1.88996216	SADDLE
178.40691924	294.96934625	3.03081003	MAXIMUM

Download:

MOID Plots

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