Asteroids

2023RN2 help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.601

Aphelion (Q)

2.874

Eccentricity (e)

0.654

Inclination (i)

36.8

deg

Orbit period (P)

836.4

Earth MOID

0.02718

U parameter

9.0

Next Earth close approach

Date

2049-03-06

Nominal distance (from Earth center)

0.08121

12148665

Maximum Brightness

20.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

22.1

mag

Diameter

100 - 230*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-09-07

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

1.737337

1-sigma variation

0.010453

Unit

Eccentricity (e)

Value

0.654267

1-sigma variation

0.002215

Unit

Inclination (i)

Value

36.7741

1-sigma variation

0.1273

Unit

Long. of Ascending Node (Ω)

Value

167.1732

1-sigma variation

0.0248

Unit

Arg. of Perihelion (ω)

Value

274.6152

1-sigma variation

0.0811

Unit

Mean Anomaly (M)

Value

45.14283

1-sigma variation

3.62796

Unit

Perihelion distance

Value

0.600655

1-sigma variation

Unit

Aphelion distance

Value

2.874019

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.048354

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.041250

1-sigma variation

Unit

MOID

Value

0.027175

1-sigma variation

Unit

Orbit Period

Value

836.4204

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.09258E-4	2.31483E-5	1.33050E-3	-2.58906E-4	-8.47446E-4	-3.79218E-2
e	2.31483E-5	4.90439E-6	2.81896E-4	-5.48549E-5	-1.79539E-4	-8.03440E-3
i	1.33050E-3	2.81896E-4	1.62035E-2	-3.15310E-3	-1.03185E-2	-4.61795E-1
Ω	-2.58906E-4	-5.48549E-5	-3.15310E-3	6.13571E-4	2.00790E-3	8.98621E-2
ω	-8.47446E-4	-1.79539E-4	-1.03185E-2	2.00790E-3	6.57450E-3	2.94135E-1
M	-3.79218E-2	-8.03440E-3	-4.61795E-1	8.98621E-2	2.94135E-1	1.31621E1

Date of computation: 2026-06-04 23:11 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

22.09

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

100 - 230*

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

1024

Unit

Source

[1]

Normalized RMS of residuals

Value

0.524798

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-09-07.76119

Unit

Source

[2]

Last Observation

Value

2023-09-15.347389

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

65 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2023RN2 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	1952-09-12 19:42	> 1 mo	0.0360618	0.0223690	2.4137667
EARTH	1978-03-06 22:11	> 1 mo	0.0741517	0.0323297	3.1791804
EARTH	1994-03-17 12:47	> 1 mo	0.1577559	0.0364740	2.1319660
EARTH	2007-09-11 06:51	> 1 mo	0.0320583	0.0258958	0.5076307
EARTH	2023-09-18 01:23	< 1 min	0.1440020	0.1425741	0.0004760
EARTH	2049-03-06 02:06	> 1 mo	0.0812088	0.0368541	1.2395480
EARTH	2065-03-13 04:22	> 1 mo	0.0823819	0.0370578	1.5066902
EARTH	2078-09-05 06:46	> 1 mo	0.1471579	0.0269837	1.4282724
EARTH	2094-09-12 10:48	> 1 mo	0.0382950	0.0320162	0.5203257
EARTH	2120-03-03 00:55	> 1 mo	0.1473046	0.0438511	1.4269872

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
308.79024982	248.30305862	0.02714689	MINIMUM
47.50700345	66.88013335	0.03500085	MINIMUM
357.83285556	336.52317857	0.61874135	SADDLE
358.53432494	158.39983181	1.54098338	SADDLE
178.85560082	160.82914042	2.14565527	SADDLE
180.53334314	341.79475462	3.71091216	MAXIMUM

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MOID Plots

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