Asteroids

2025EW help

Last update: 2025-03-26 14:10 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.987

Aphelion (Q)

1.265

Eccentricity (e)

0.123

Inclination (i)

4.2

deg

Orbit period (P)

436.6

Earth MOID

0.00132

U parameter

2.6

Next Earth close approach

Date

2031-02-10

Nominal distance (from Earth center)

0.15616

23360711

Maximum Brightness

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.3

mag

Diameter

9 - 21*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-03

Observatory

ATLAS Chile, Rio Hurtado

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

1.126306

1-sigma variation

2.401E-7

Unit

Eccentricity (e)

Value

0.123384

1-sigma variation

1.819E-7

Unit

Inclination (i)

Value

4.1900

1-sigma variation

2.921E-6

Unit

Long. of Ascending Node (Ω)

Value

165.3054

1-sigma variation

1.203E-6

Unit

Arg. of Perihelion (ω)

Value

14.5294

1-sigma variation

3.306E-5

Unit

Mean Anomaly (M)

Value

38.08749

1-sigma variation

0.00002

Unit

Perihelion distance

Value

0.987338

1-sigma variation

Unit

Aphelion distance

Value

1.265274

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.001529

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.252422

1-sigma variation

Unit

MOID

Value

0.001322

1-sigma variation

Unit

Orbit Period

Value

436.5992

1-sigma variation

Unit

U parameter

Value

2.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.76582E-14	4.35915E-14	1.90603E-13	2.07073E-13	-5.30699E-12	1.23113E-12
e	4.35915E-14	3.30869E-14	1.20677E-13	1.62121E-13	-3.73257E-12	7.11626E-13
i	1.90603E-13	1.20677E-13	8.53427E-12	4.50493E-13	-6.59129E-11	4.13448E-11
Ω	2.07073E-13	1.62121E-13	4.50493E-13	1.44713E-12	-7.35714E-12	-5.11829E-12
ω	-5.30699E-12	-3.73257E-12	-6.59129E-11	-7.35714E-12	1.09311E-9	-5.86912E-10
M	1.23113E-12	7.11626E-13	4.13448E-11	-5.11829E-12	-5.86912E-10	3.97532E-10

Date of computation: 2025-03-15 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

27.267

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

9 - 21*

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

0.775297

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-03.083564

Unit

Source

[2]

Last Observation

Value

2025-03-06.24646

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

53 (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

2025-03-06

Unit

Source

[3]

Last Observation

Value

2025-03-08

Unit

Source

[3]

Delay (Discarded)

Value

3 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

2 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

5 (0)

Unit

Source

[1]

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
[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 2025EW 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	1953-02-14 21:55	1.1	0.1963753	0.1963022	0.0000244
EARTH	1953-09-13 10:54	24.0	0.1663856	0.1663719	0.0000046
EARTH	1962-10-24 09:07	23.7	0.1856006	0.1856005	0.0000000
EARTH	1971-12-12 04:09	29.6	0.1605306	0.1605153	0.0000051
EARTH	1972-06-08 21:32	1.5	0.1182224	0.1181874	0.0000117
EARTH	1981-04-06 19:27	1.6	0.0554108	0.0554066	0.0000014
EARTH	1990-05-14 14:55	9.7	0.0795885	0.0795632	0.0000085
EARTH	1998-11-14 23:19	31.0	0.1870326	0.1870228	0.0000033
EARTH	2007-10-04 18:49	23.9	0.1896638	0.1896570	0.0000023
EARTH	2016-02-20 04:56	1.3	0.1251614	0.1251010	0.0000201
EARTH	2016-08-25 05:53	20.5	0.1536345	0.1536179	0.0000055
EARTH	2025-03-06 22:43	< 1 s	0.0023737	0.0023737	0.0000000
EARTH	2031-02-10 09:55	< 1 min	0.1561567	0.1561203	0.0000121
EARTH	2031-07-23 22:06	15.2	0.1922955	0.1922835	0.0000040
EARTH	2056-05-18 15:34	2.4	0.1890663	0.1889562	0.0000367
EARTH	2062-04-05 22:09	23.7	0.0486432	0.0485709	0.0000241
EARTH	2068-03-12 06:44	5.1	0.0161091	0.0160883	0.0000069
EARTH	2091-02-15 19:22	42.6	0.0836928	0.0826570	0.0003453
EARTH	2091-06-29 18:51	665.9	0.1669397	0.1664178	0.0001742
EARTH	2097-01-07 05:23	89.6	0.1621927	0.1621459	0.0000156
EARTH	2097-05-03 23:45	6.1	0.0970636	0.0970086	0.0000183
EARTH	2120-03-05 09:55	660.9	0.0018699	0.0004002	0.0009213

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
346.65491529	61.68533105	0.00132160	MINIMUM
189.29990045	266.50441755	0.26442028	SADDLE
8.06915805	265.72796738	1.98942443	SADDLE
185.55467003	83.19223808	2.26226084	MAXIMUM

Download:

MOID Plots

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