Asteroids

2023DR help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.844

Aphelion (Q)

3.128

Eccentricity (e)

0.575

Inclination (i)

5.1

deg

Orbit period (P)

1022.3

Earth MOID

0.00066

U parameter

6.5

Next Earth close approach

Date

2037-02-22

Nominal distance (from Earth center)

0.03444

5151551

Maximum Brightness

25.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

29.9

mag

Diameter

2.7 - 6*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-02-24

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

1.986040

1-sigma variation

0.000289

Unit

Eccentricity (e)

Value

0.575244

1-sigma variation

0.000068

Unit

Inclination (i)

Value

5.1095

1-sigma variation

0.0002

Unit

Long. of Ascending Node (Ω)

Value

336.1875

1-sigma variation

3.669E-5

Unit

Arg. of Perihelion (ω)

Value

233.8836

1-sigma variation

0.0003

Unit

Mean Anomaly (M)

Value

49.39561

1-sigma variation

0.08878

Unit

Perihelion distance

Value

0.843582

1-sigma variation

Unit

Aphelion distance

Value

3.128498

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.000017

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.002735

1-sigma variation

Unit

MOID

Value

0.000658

1-sigma variation

Unit

Orbit Period

Value

1022.3046

1-sigma variation

Unit

U parameter

Value

6.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.35481E-8	1.95239E-8	3.33256E-8	8.38917E-9	6.61039E-8	-2.56616E-5
e	1.95239E-8	4.56258E-9	7.78137E-9	1.96106E-9	1.54917E-8	-5.99675E-6
i	3.33256E-8	7.78137E-9	4.22224E-8	-4.54910E-10	2.72818E-8	-1.02353E-5
Ω	8.38917E-9	1.96106E-9	-4.54910E-10	1.34635E-9	6.44422E-9	-2.57678E-6
ω	6.61039E-8	1.54917E-8	2.72818E-8	6.44422E-9	6.85584E-8	-2.03064E-5
M	-2.56616E-5	-5.99675E-6	-1.02353E-5	-2.57678E-6	-2.03064E-5	7.88192E-3

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

29.94

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

2.7 - 6*

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

[-]

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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

0.2

Unit

Source

[1]

Unobserved

Value

1226

Unit

Source

[1]

Normalized RMS of residuals

Value

0.544788

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-02-24.908159

Unit

Source

[2]

Last Observation

Value

2023-02-25.146535

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

80 (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 2023DR 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	1976-06-26 02:29	> 1 mo	0.1352961	0.0645720	113.8351356
EARTH	1979-06-21 01:16	> 1 mo	0.0813139	0.0645938	58.1503466
EARTH	1982-06-16 11:14	> 1 mo	0.0646395	0.0644808	4.3242526
EARTH	1985-06-11 13:04	> 1 mo	0.0712273	0.0645888	20.8281573
EARTH	1988-06-03 00:05	> 1 mo	0.1024881	0.0653531	30.9806230
EARTH	1991-05-17 07:33	> 1 mo	0.1427274	0.0787912	17.8604182
EARTH	1994-04-30 21:12	> 1 mo	0.1609997	0.1347660	4.3483472
EARTH	1997-04-14 16:07	> 1 mo	0.1584724	0.1018932	4.9082605
EARTH	2000-03-27 18:53	> 1 mo	0.1391841	0.0278883	10.8667613
EARTH	2003-03-07 12:33	> 1 mo	0.0690165	0.0024506	11.5103870
EARTH	2006-02-25 05:16	> 1 d	0.0015051	0.0001766	0.0214369
EARTH	2023-02-25 05:45	< 1 s	0.0005073	0.0005071	0.0000001
EARTH	2037-02-22 20:55	> 1 d	0.0344360	0.0023996	0.0183770
EARTH	2051-02-14 02:19	> 1 d	0.1597716	0.0006641	0.0748821
EARTH	2076-06-16 22:40	> 1 w	0.0875264	0.0817308	0.0481452
EARTH	2090-05-11 22:43	> 1 mo	0.1666285	0.1181971	0.0555171
EARTH	2104-04-04 23:53	> 1 mo	0.1558214	0.0450566	0.1186910
EARTH	2118-02-19 11:13	> 1 w	0.0890138	0.0034411	0.3718902

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
330.58771902	54.32743335	0.00038887	MINIMUM
32.43743967	167.13640854	0.08420029	MINIMUM
3.35881156	114.04940752	0.17742518	SADDLE
1.71526652	290.87036985	1.83724388	SADDLE
180.56509855	289.24961592	2.13710170	SADDLE
180.35325229	109.14306016	4.13275558	MAXIMUM

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MOID Plots

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