Asteroids

2023DO help

Last update: 2024-05-02 18:31 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Aten

Perihelion (q)

0.519

Aphelion (Q)

1.028

Eccentricity (e)

0.329

Inclination (i)

2.9

deg

Orbit period (P)

248.4

Earth MOID

0.00130

U parameter

7.1

Next Earth close approach

Date

2025-02-03

Nominal distance (from Earth center)

0.17955

26860273

Maximum Brightness

25.4

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

25.5

mag

Diameter

21 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-02-23

Observatory

MARGO, Nauchnyi

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.773321

1-sigma variation

0.000072

Unit

Eccentricity (e)

Value

0.329033

1-sigma variation

0.000149

Unit

Inclination (i)

Value

2.8619

1-sigma variation

0.0017

Unit

Long. of Ascending Node (Ω)

Value

4.7189

1-sigma variation

0.0040

Unit

Arg. of Perihelion (ω)

Value

337.9395

1-sigma variation

0.0021

Unit

Mean Anomaly (M)

Value

24.83938

1-sigma variation

0.08019

Unit

Perihelion distance

Value

0.518873

1-sigma variation

Unit

Aphelion distance

Value

1.027769

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.473055

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.005074

1-sigma variation

Unit

MOID

Value

0.001298

1-sigma variation

Unit

Orbit Period

Value

248.3923

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.17480E-9	-1.07198E-8	-1.20720E-7	2.86952E-7	-1.49953E-7	-5.76826E-6
e	-1.07198E-8	2.22066E-8	2.50077E-7	-5.94435E-7	3.10635E-7	1.19492E-5
i	-1.20720E-7	2.50077E-7	2.81629E-6	-6.69486E-6	3.49882E-6	1.34564E-4
Ω	2.86952E-7	-5.94435E-7	-6.69486E-6	1.59199E-5	-8.32285E-6	-3.19862E-4
ω	-1.49953E-7	3.10635E-7	3.49882E-6	-8.32285E-6	4.35312E-6	1.67150E-4
M	-5.76826E-6	1.19492E-5	1.34564E-4	-3.19862E-4	1.67150E-4	6.42979E-3

Date of computation: 2024-04-23 10:08 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

25.51

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

21 - 50*

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 ODIM	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

404

Unit

Source

[1]

Normalized RMS of residuals

Value

0.819202

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-02-13.47701

Unit

Source

[2]

Last Observation

Value

2023-03-26.328411

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

52 (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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2023DO from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1951-03-30 07:19	570.6	0.1459887	0.1209162	0.0083683
EARTH	1953-03-23 03:46	798.7	0.0066868	0.0042205	0.0029900
EARTH	1955-02-04 22:59	1423.5	0.0491311	0.0396069	0.0039334
EARTH	1970-03-28 15:25	> 1 d	0.0370796	0.0026727	0.0640171
EARTH	1972-02-14 01:43	> 1 w	0.0363290	0.0351744	0.0077576
VENUS	1973-12-29 05:52	> 1 d	0.0313536	0.0305197	0.0104955
EARTH	1974-02-03 14:12	1014.0	0.1757725	0.0753535	0.0347868
EARTH	1987-03-29 20:33	14.3	0.1703516	0.1694261	0.0003085
EARTH	1989-03-19 19:56	> 1 d	0.0180795	0.0075502	0.0035269
EARTH	1991-02-03 08:18	324.7	0.0715361	0.0552967	0.0057160
VENUS	1992-02-09 13:52	565.2	0.0465074	0.0394724	0.0049826
EARTH	2004-03-29 04:22	223.9	0.1640338	0.1343740	0.0098869
VENUS	2005-01-11 22:19	812.8	0.0414637	0.0393047	0.0040134
EARTH	2006-03-14 08:20	> 1 d	0.0310697	0.0165114	0.0048768
EARTH	2008-02-02 21:08	96.1	0.1014633	0.0737268	0.0095280
VENUS	2012-09-29 12:28	436.9	0.0444695	0.0318327	0.0064779
EARTH	2021-03-29 18:58	35.7	0.0827028	0.0777402	0.0016542
EARTH	2023-02-18 23:13	< 1 min	0.0398667	0.0398087	0.0000193
EARTH	2025-02-03 01:31	41.0	0.1795498	0.1745733	0.0016601
VENUS	2037-01-06 16:39	697.6	0.0462203	0.0400649	0.0056643
EARTH	2038-03-27 15:57	1074.1	0.0258853	0.0006402	0.0084442
EARTH	2040-02-10 16:34	924.1	0.0342173	0.0342167	0.0000160
VENUS	2051-07-05 19:23	1169.4	0.0403032	0.0319866	0.0156372
EARTH	2055-03-30 15:56	97.3	0.1138912	0.0347570	0.0263959
EARTH	2057-03-03 12:45	> 1 w	0.0408693	0.0342307	0.0034537
EARTH	2059-02-03 02:28	173.8	0.1237743	0.0500843	0.0266886
VENUS	2064-06-03 20:10	1224.3	0.0395132	0.0324801	0.0152083
EARTH	2072-03-29 04:05	454.9	0.1663693	0.1086661	0.0192390
EARTH	2074-03-16 18:10	> 1 d	0.0256061	0.0032788	0.0088517
EARTH	2076-02-03 07:40	66.1	0.0876708	0.0619363	0.0089746
EARTH	2089-03-29 21:25	434.7	0.1255953	0.0044602	0.0429854
VENUS	2090-04-07 07:43	> 1 d	0.0366768	0.0328233	0.0268365
EARTH	2091-03-02 14:02	> 1 w	0.0414171	0.0377700	0.0044548
EARTH	2093-02-02 12:45	967.9	0.1444725	0.0367631	0.0569550
EARTH	2106-03-29 15:33	> 1 d	0.0380132	0.0023469	0.0688987
EARTH	2108-02-12 02:01	> 1 w	0.0333806	0.0333804	0.0000237
VENUS	2114-07-15 08:36	242.6	0.0436417	0.0417459	0.0007370
EARTH	2123-03-31 03:24	> 1 d	0.0690952	0.0039612	0.0662119

Download as:

2023DO

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS
2057-03-23.822	72445.822	1.056	0.68 ± 0.002	1.65E3	4.89E-4	2.67E-4	-3.52
2059-03-24.020	73176.020	1.084	1.05 ± 0.002	1.03E5	6.96E-6	3.80E-6	-5.39
2062-03-23.868	74271.868	1.046	1.38 ± 0.011	3.11E6	1.92E-7	1.05E-7	-6.98
2062-03-24.047	74272.047	3.670	0.03 ± 0.000	1.71E7	1.05E-10	5.74E-11	-10.25
2065-03-23.902	75367.902	2.408	1.40 ± 0.002	4.63E4	1.36E-6	7.46E-7	-6.17
2066-03-23.909	75732.909	1.033	0.53 ± 0.000	6.17E5	1.37E-6	7.51E-7	-6.17
2068-03-23.424	76463.424	1.022	1.78 ± 0.000	4.06E5	7.99E-7	4.37E-7	-6.43
2073-03-23.839	78289.839	3.507	0.07 ± 0.089	8.18E6	3.92E-10	2.15E-10	-9.78


Based on 52 optical observations (of which 0 are rejected as outliers) from 2023/02/13.477 to 2023/03/26.328.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.89 and 1.89 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20240110 090432.177 UTC.

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