Asteroids

2023DA help

Last update: 2025-08-31 15:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.834

Aphelion (Q)

1.199

Eccentricity (e)

0.180

Inclination (i)

1.8

deg

Orbit period (P)

374.3

Earth MOID

0.00181

U parameter

2.2

Next Earth close approach

Date

2026-06-29

Nominal distance (from Earth center)

0.17113

25600460

Maximum Brightness

33.7

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

2023-02-16

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.016394

1-sigma variation

1.067E-7

Unit

Eccentricity (e)

Value

0.179780

1-sigma variation

0.000001

Unit

Inclination (i)

Value

1.8399

1-sigma variation

9.553E-6

Unit

Long. of Ascending Node (Ω)

Value

349.6806

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

259.0421

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

169.54332

1-sigma variation

0.00011

Unit

Perihelion distance

Value

0.833666

1-sigma variation

Unit

Aphelion distance

Value

1.199122

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.011383

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.043184

1-sigma variation

Unit

MOID

Value

0.001809

1-sigma variation

Unit

Orbit Period

Value

374.2757

1-sigma variation

Unit

U parameter

Value

2.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.13797E-14	1.06558E-13	9.02336E-13	1.74337E-13	8.09204E-12	-1.21943E-11
e	1.06558E-13	1.00290E-12	8.48440E-12	1.58429E-12	7.63619E-11	-1.14117E-10
i	9.02336E-13	8.48440E-12	9.12580E-11	-1.92949E-10	8.49030E-10	-9.63283E-10
Ω	1.74337E-13	1.58429E-12	-1.92949E-10	2.51137E-9	-2.32971E-9	-2.48981E-10
ω	8.09204E-12	7.63619E-11	8.49030E-10	-2.32971E-9	8.21588E-9	-8.60757E-9
M	-1.21943E-11	-1.14117E-10	-9.63283E-10	-2.48981E-10	-8.60757E-9	1.30737E-8

Date of computation: 2025-08-31 15:00 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

26.413

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

[-]

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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

354

Unit

Source

[1]

Unobserved

Value

581

Unit

Source

[1]

Normalized RMS of residuals

Value

0.649135

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-02-16.057794

Unit

Source

[2]

Last Observation

Value

2024-02-05.470214

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

98 (3)

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 2023DA 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	1976-02-18 12:20	10.8	0.1814666	0.1809996	0.0001557
EARTH	1977-02-21 22:33	2.8	0.0813456	0.0812775	0.0000227
EARTH	1978-02-25 20:42	8.6	0.0134044	0.0129069	0.0001673
EARTH	1979-02-03 05:55	149.6	0.1298502	0.1294877	0.0001208
EARTH	1979-04-02 12:55	173.7	0.1271847	0.1268613	0.0001078
EARTH	1980-01-02 07:06	114.3	0.1891533	0.1890399	0.0000378
EARTH	1980-05-09 11:37	125.9	0.1748992	0.1748095	0.0000299
EARTH	1981-06-08 00:47	82.8	0.1849838	0.1849809	0.0000010
EARTH	1982-07-08 21:21	45.2	0.1650096	0.1649799	0.0000099
EARTH	1982-10-25 02:48	31.9	0.1735207	0.1734678	0.0000176
EARTH	1983-09-10 19:58	< 1 min	0.0931653	0.0931587	0.0000022
EARTH	1984-09-10 16:20	1.9	0.0246798	0.0245732	0.0000355
EARTH	1985-09-16 17:53	1.6	0.1674881	0.1673802	0.0000360
EARTH	2022-02-20 08:02	< 1 min	0.1418023	0.1417990	0.0000011
EARTH	2023-02-26 13:22	< 1 s	0.0071547	0.0071546	0.0000000
EARTH	2024-01-28 13:05	< 1 min	0.1447163	0.1447136	0.0000009
EARTH	2024-04-10 20:54	< 1 min	0.1383364	0.1383338	0.0000009
EARTH	2025-05-23 05:35	< 1 min	0.1804580	0.1804551	0.0000010
EARTH	2026-06-29 19:29	< 1 min	0.1711285	0.1711262	0.0000008
EARTH	2026-10-30 06:12	< 1 min	0.1859409	0.1859385	0.0000008
EARTH	2027-09-06 23:03	< 1 min	0.0910803	0.0910789	0.0000005
EARTH	2028-09-10 23:37	< 1 min	0.0578027	0.0577986	0.0000014
EARTH	2062-02-21 10:34	1.2	0.1151694	0.1150998	0.0000232
EARTH	2063-02-28 16:55	1.4	0.0462046	0.0461381	0.0000221
EARTH	2064-01-12 23:51	12.3	0.1760215	0.1760014	0.0000067
EARTH	2064-04-29 10:21	15.4	0.1618195	0.1618029	0.0000056
EARTH	2065-06-10 08:10	7.0	0.1807698	0.1807662	0.0000012
EARTH	2066-07-27 23:26	1.8	0.1365613	0.1365535	0.0000026
EARTH	2066-10-04 23:20	4.3	0.1410824	0.1410745	0.0000026
EARTH	2067-09-09 09:28	< 1 min	0.0166570	0.0166261	0.0000103
EARTH	2094-02-20 01:17	21.8	0.1910462	0.1897014	0.0004483
EARTH	2095-03-01 07:35	34.9	0.0170754	0.0157794	0.0004342
EARTH	2096-01-07 20:22	174.7	0.1930374	0.1926802	0.0001191
EARTH	2096-05-11 08:51	256.7	0.1678103	0.1677810	0.0000099
EARTH	2097-07-10 11:38	1101.8	0.1539343	0.1526403	0.0004313
EARTH	2097-10-15 02:46	1182.5	0.1687202	0.1670055	0.0005717
EARTH	2098-09-08 08:42	56.9	0.0376286	0.0321260	0.0018350
EARTH	2121-02-27 14:40	285.5	0.0475599	0.0374909	0.0033610
EARTH	2122-01-22 14:51	> 1 d	0.1678530	0.1640330	0.0012733
EARTH	2122-04-27 09:47	> 1 d	0.1514475	0.1485876	0.0009540
EARTH	2123-06-27 14:41	> 1 d	0.1679386	0.1672476	0.0002304
EARTH	2123-10-29 07:44	708.3	0.1919348	0.1903076	0.0005424
EARTH	2124-09-07 05:17	180.3	0.0116452	0.0099246	0.0005742
EARTH	2125-09-15 13:46	23.8	0.1803669	0.1729108	0.0024854

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
87.41433474	246.12489450	0.00180920	MINIMUM
278.41034066	54.63777680	0.00722384	MINIMUM
3.44228866	150.95889531	0.18436204	SADDLE
182.45771703	329.87512574	0.21586029	SADDLE
3.16814126	330.64183404	1.81940596	SADDLE
182.29319909	149.75185181	2.21443765	MAXIMUM

Download:

MOID Plots

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