Asteroids

2023RH11 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.796

Aphelion (Q)

3.145

Eccentricity (e)

0.596

Inclination (i)

5.7

deg

Orbit period (P)

1010.3

Earth MOID

0.00052

U parameter

7.3

Next Earth close approach

Date

2046-01-30

Nominal distance (from Earth center)

0.17054

25512680

Maximum Brightness

25.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.4

mag

Diameter

14 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-09-14

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

1.970453

1-sigma variation

0.001014

Unit

Eccentricity (e)

Value

0.596272

1-sigma variation

0.000234

Unit

Inclination (i)

Value

5.7309

1-sigma variation

0.0019

Unit

Long. of Ascending Node (Ω)

Value

353.2637

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

63.6031

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

268.34328

1-sigma variation

0.20520

Unit

Perihelion distance

Value

0.795527

1-sigma variation

Unit

Aphelion distance

Value

3.145380

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.002157

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.732708

1-sigma variation

Unit

MOID

Value

0.000516

1-sigma variation

Unit

Orbit Period

Value

1010.2938

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.02840E-6	2.37461E-7	1.88464E-6	-1.90774E-7	2.38903E-7	-2.08089E-4
e	2.37461E-7	5.48306E-8	4.35171E-7	-4.40493E-8	5.51861E-8	-4.80485E-5
i	1.88464E-6	4.35171E-7	3.45400E-6	-3.49660E-7	4.38454E-7	-3.81343E-4
Ω	-1.90774E-7	-4.40493E-8	-3.49660E-7	3.54675E-8	-4.40350E-8	3.86018E-5
ω	2.38903E-7	5.51861E-8	4.38454E-7	-4.40350E-8	6.20258E-8	-4.83414E-5
M	-2.08089E-4	-4.80485E-5	-3.81343E-4	3.86018E-5	-4.83414E-5	4.21054E-2

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

26.44

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

14 - 30*

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

730

Unit

Source

[1]

Normalized RMS of residuals

Value

0.712951

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-09-07.393992

Unit

Source

[2]

Last Observation

Value

2023-09-15.924913

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

34 (4)

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 2023RH11 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	1958-01-28 09:39	> 1 mo	0.1547421	0.0833302	0.5135668
EARTH	1969-01-19 22:57	> 1 w	0.0837044	0.0830189	0.0431104
EARTH	1979-12-31 14:51	> 1 mo	0.1515173	0.0834644	0.1500239
MARS	1980-03-27 16:57	> 1 w	0.0387225	0.0338170	0.0868409
EARTH	2012-10-05 18:01	> 1 w	0.1340355	0.0239136	0.0382952
EARTH	2023-09-17 05:47	< 1 s	0.0091192	0.0091092	0.0000033
EARTH	2046-01-30 11:18	> 1 d	0.1705417	0.0783744	0.0835089
MARS	2057-05-10 00:01	> 1 d	0.0411921	0.0399259	0.0178454
EARTH	2059-09-07 06:19	> 1 d	0.1232671	0.0010066	0.0992212
EARTH	2095-09-18 03:54	> 1 d	0.0132853	0.0033813	0.0581743
EARTH	2107-02-02 20:50	> 1 mo	0.1981300	0.0755055	1.2249006
EARTH	2120-12-17 14:57	> 1 mo	0.1824423	0.0873818	1.1187586

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
325.24724830	251.72824288	0.00038823	MINIMUM
33.66521530	16.56281321	0.08075306	MINIMUM
0.44701977	316.21717268	0.20871914	SADDLE
359.01439926	133.41956787	1.80488438	SADDLE
179.85720001	134.22915623	2.14016041	SADDLE
179.64139808	314.12480951	4.13100250	MAXIMUM

Download:

MOID Plots

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