Asteroids

2025DQ help

Last update: 2025-02-22 05:33 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.800

Aphelion (Q)

1.198

Eccentricity (e)

0.199

Inclination (i)

2.4

deg

Orbit period (P)

364.7

Earth MOID

0.00171

U parameter

4.7

Next Earth close approach

Date

2026-02-21

Nominal distance (from Earth center)

0.00772

1155274

Maximum Brightness

21.9

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

29.9

mag

Diameter

2.8 - 6*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-18

Observatory

Mt. Lemmon Survey

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.998998

1-sigma variation

0.000004

Unit

Eccentricity (e)

Value

0.199035

1-sigma variation

0.000077

Unit

Inclination (i)

Value

2.4322

1-sigma variation

0.0016

Unit

Long. of Ascending Node (Ω)

Value

330.4990

1-sigma variation

0.0008

Unit

Arg. of Perihelion (ω)

Value

281.2238

1-sigma variation

0.0039

Unit

Mean Anomaly (M)

Value

355.45951

1-sigma variation

0.00393

Unit

Perihelion distance

Value

0.800163

1-sigma variation

Unit

Aphelion distance

Value

1.197834

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.086825

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.008873

1-sigma variation

Unit

MOID

Value

0.001711

1-sigma variation

Unit

Orbit Period

Value

364.7083

1-sigma variation

Unit

U parameter

Value

4.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.74717E-11	3.08600E-10	6.49187E-9	3.06742E-9	1.49382E-8	1.59404E-8
e	3.08600E-10	5.98165E-9	1.27259E-7	5.98779E-8	2.98111E-7	3.03172E-7
i	6.49187E-9	1.27259E-7	2.71211E-6	1.27528E-6	6.36320E-6	6.43541E-6
Ω	3.06742E-9	5.98779E-8	1.27528E-6	5.99851E-7	2.99028E-6	3.03056E-6
ω	1.49382E-8	2.98111E-7	6.36320E-6	2.99028E-6	1.49831E-5	1.50240E-5
M	1.59404E-8	3.03172E-7	6.43541E-6	3.03056E-6	1.50240E-5	1.54239E-5

Date of computation: 2025-02-21 11:58 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

29.903

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

2.8 - 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

[-]

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.970338

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-18.375102

Unit

Source

[2]

Last Observation

Value

2025-02-20.9006

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (2)

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 2025DQ 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	1974-09-29 04:45	339.5	0.1388027	0.1249346	0.0046315
EARTH	1975-09-24 01:44	238.0	0.0267641	0.0267212	0.0001009
EARTH	1976-08-23 19:51	602.9	0.1420599	0.1413487	0.0002381
EARTH	1976-10-15 22:50	90.7	0.1376373	0.1368597	0.0002595
EARTH	1977-11-20 23:27	1194.8	0.1934424	0.1929000	0.0001808
EARTH	1978-12-18 02:29	> 1 d	0.1991153	0.1978899	0.0004087
EARTH	1980-01-16 13:56	> 1 d	0.1609966	0.1542913	0.0022378
EARTH	1980-04-13 02:04	> 1 d	0.1765653	0.1697076	0.0022877
EARTH	1981-02-21 09:21	274.5	0.0524116	0.0336758	0.0062461
EARTH	1982-02-19 03:14	303.2	0.0823788	0.0620787	0.0067668
EARTH	2017-09-29 22:47	53.6	0.1627522	0.1594670	0.0010954
EARTH	2018-09-24 15:46	56.1	0.0342018	0.0324087	0.0006285
EARTH	2019-09-29 22:41	354.3	0.1106455	0.1080348	0.0008706
EARTH	2020-07-23 11:46	764.8	0.1922536	0.1912280	0.0003421
EARTH	2020-11-11 14:13	537.8	0.1831383	0.1822216	0.0003056
EARTH	2023-01-01 19:16	260.0	0.1858417	0.1858038	0.0000127
EARTH	2024-02-04 03:21	116.8	0.1238872	0.1236532	0.0000780
EARTH	2025-02-21 17:49	< 1 min	0.0020003	0.0019980	0.0000008
EARTH	2026-02-21 17:53	1.9	0.0077225	0.0075993	0.0000411
EARTH	2027-02-19 11:25	9.4	0.0847594	0.0840974	0.0002207
EARTH	2028-02-16 14:25	19.6	0.1673438	0.1659576	0.0004621
EARTH	2085-09-28 03:34	1003.4	0.1594944	0.0934684	0.0221504
EARTH	2086-09-25 02:32	1128.0	0.0781647	0.0216400	0.0222285
EARTH	2087-09-22 10:40	940.5	0.0205065	0.0203963	0.0020627
EARTH	2088-09-20 16:41	> 1 d	0.0773619	0.0198215	0.0432944
EARTH	2089-08-17 04:35	> 1 mo	0.1479205	0.0471069	0.0446417
EARTH	2089-10-16 17:42	> 1 mo	0.1426293	0.0191202	0.0418077
EARTH	2090-07-23 20:49	> 1 mo	0.1876050	0.0991605	0.0326097
EARTH	2090-11-06 12:35	> 1 mo	0.1806785	0.0931721	0.0292426
EARTH	2095-01-04 05:15	> 1 mo	0.1865003	0.0498700	0.0507942
EARTH	2095-05-01 00:37	> 1 mo	0.1979743	0.0493351	0.0498314
EARTH	2096-01-21 21:24	> 1 mo	0.1543533	0.0259890	0.0965926
EARTH	2096-04-08 22:55	> 1 mo	0.1656062	0.0200328	0.0972916
EARTH	2097-02-14 22:22	> 1 mo	0.0990605	0.0075425	0.1773125
EARTH	2098-02-22 15:18	> 1 d	0.0264719	0.0031091	0.1965317
EARTH	2099-02-21 11:32	> 1 d	0.0316320	0.0034561	0.0712567
EARTH	2100-02-19 02:44	> 1 d	0.1064546	0.0024527	0.0943124
EARTH	2101-02-16 06:33	> 1 d	0.1857170	0.0024349	0.2538217

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
272.65586508	49.90067676	0.00171101	MINIMUM
90.78137165	252.60807921	0.01722351	MINIMUM
181.33643631	330.96827768	0.21684009	SADDLE
2.22976804	151.66766570	0.21725175	SADDLE
2.58838878	332.13093307	1.78546397	SADDLE
181.91728700	151.44846029	2.21151524	MAXIMUM

Download:

MOID Plots

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