Asteroids

2023RX1 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.957

Aphelion (Q)

1.030

Eccentricity (e)

0.037

Inclination (i)

1.7

deg

Orbit period (P)

361.6

Earth MOID

0.01200

U parameter

5.7

Next Earth close approach

Date

2027-01-03

Nominal distance (from Earth center)

0.05271

7886036

Maximum Brightness

27.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

30.2

mag

Diameter

2.4 - 5*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-09-07

Observatory

GINOP-KHK, Piszkesteto

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

0.993347

1-sigma variation

0.000017

Unit

Eccentricity (e)

Value

0.036568

1-sigma variation

0.000009

Unit

Inclination (i)

Value

1.6916

1-sigma variation

0.0002

Unit

Long. of Ascending Node (Ω)

Value

155.3575

1-sigma variation

0.0211

Unit

Arg. of Perihelion (ω)

Value

19.4010

1-sigma variation

0.0046

Unit

Mean Anomaly (M)

Value

86.72967

1-sigma variation

0.03028

Unit

Perihelion distance

Value

0.957022

1-sigma variation

Unit

Aphelion distance

Value

1.029672

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.030574

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.016962

1-sigma variation

Unit

MOID

Value

0.011999

1-sigma variation

Unit

Orbit Period

Value

361.6178

1-sigma variation

Unit

U parameter

Value

5.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.86008E-10	1.59764E-10	-1.01761E-9	3.51593E-7	7.57296E-8	-5.09579E-7
e	1.59764E-10	8.98704E-11	-4.27897E-10	1.99074E-7	4.17043E-8	-2.86867E-7
i	-1.01761E-9	-4.27897E-10	4.43397E-8	-5.18549E-7	-4.50333E-7	1.22356E-6
Ω	3.51593E-7	1.99074E-7	-5.18549E-7	4.45542E-4	8.98648E-5	-6.37219E-4
ω	7.57296E-8	4.17043E-8	-4.50333E-7	8.98648E-5	2.08746E-5	-1.32352E-4
M	-5.09579E-7	-2.86867E-7	1.22356E-6	-6.37219E-4	-1.32352E-4	9.16689E-4

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

30.25

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

2.4 - 5*

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

954

Unit

Source

[1]

Normalized RMS of residuals

Value

0.678228

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-09-06.786142

Unit

Source

[2]

Last Observation

Value

2023-09-09.289485

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

31 (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

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 2023RX1 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	1957-09-25 17:44	> 1 d	0.1168771	0.0894472	0.0091436
EARTH	1958-08-11 02:32	> 1 mo	0.0442334	0.0093766	0.0117267
EARTH	1958-11-17 00:33	> 1 mo	0.0273340	0.0257468	0.0017016
EARTH	1959-03-21 12:57	> 1 mo	0.0480570	0.0262396	0.0096028
EARTH	1960-01-22 14:54	549.5	0.1184807	0.0423140	0.0255764
EARTH	1990-09-14 16:54	52.4	0.1232205	0.1224412	0.0002598
EARTH	1991-07-28 09:20	> 1 d	0.0456812	0.0445735	0.0003693
EARTH	1991-11-09 05:04	> 1 d	0.0268580	0.0267883	0.0000245
EARTH	1992-03-03 11:36	> 1 d	0.0466538	0.0456296	0.0003426
EARTH	1993-01-08 01:50	15.1	0.1278685	0.1254712	0.0007991
EARTH	2022-09-04 16:17	< 1 min	0.1797314	0.1796511	0.0000268
EARTH	2023-09-02 19:14	< 1 min	0.0052352	0.0052313	0.0000013
EARTH	2024-09-20 18:30	124.4	0.0259687	0.0258645	0.0000348
EARTH	2025-04-13 10:45	120.7	0.0463961	0.0463536	0.0000142
EARTH	2026-01-31 01:26	125.7	0.0225248	0.0224866	0.0000129
EARTH	2027-01-03 11:47	52.6	0.0527149	0.0521587	0.0001856
EARTH	2027-12-26 08:40	22.5	0.1519759	0.1513754	0.0002002
EARTH	2077-08-11 04:41	< 1 min	0.1673177	0.1646972	0.0008736
EARTH	2078-08-08 13:42	18.3	0.0660272	0.0636177	0.0008035
EARTH	2079-08-15 18:11	300.7	0.0108105	0.0102991	0.0001771
EARTH	2080-02-14 18:45	625.6	0.0407464	0.0400426	0.0002358
EARTH	2080-11-23 14:19	58.4	0.0695234	0.0669644	0.0008630
EARTH	2117-07-24 13:35	178.1	0.1569149	0.1095016	0.0158405
EARTH	2118-07-29 12:35	> 1 d	0.0188386	0.0115423	0.0111396
EARTH	2119-08-07 11:00	> 1 mo	0.0161507	0.0145091	0.0123583
EARTH	2120-02-19 01:48	> 1 mo	0.0320469	0.0319922	0.0036633
EARTH	2120-09-04 11:47	> 1 mo	0.0290650	0.0270499	0.0588373
EARTH	2120-12-22 18:00	> 1 mo	0.0337011	0.0335131	0.0133946
EARTH	2121-10-18 12:37	> 1 mo	0.0686356	0.0363528	0.4634937
EARTH	2122-10-12 05:58	> 1 w	0.1727178	0.0371240	0.5765795

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
138.69419038	224.80449988	0.00972795	MINIMUM
295.76612529	17.54413796	0.02058220	MINIMUM
220.67193644	304.10601729	0.03706525	SADDLE
36.64950340	121.06994566	0.05406702	SADDLE
26.93847104	290.97595757	1.95214691	SADDLE
205.08662381	109.12310472	2.03064770	MAXIMUM

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MOID Plots

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