Asteroids

2025EQ2 help

Last update: 2025-03-13 23:54 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.985

Aphelion (Q)

1.877

Eccentricity (e)

0.312

Inclination (i)

5.1

deg

Orbit period (P)

625.2

Earth MOID

0.00091

U parameter

7.8

Next Earth close approach

Date

2025-03-19

Nominal distance (from Earth center)

0.01342

2007641

Maximum Brightness

19.5

mag

Risk

Object is in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

26.8

mag

Diameter

12 - 26*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-05

Observatory

Kitt Peak-Bok

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

1.430976

1-sigma variation

0.001094

Unit

Eccentricity (e)

Value

0.311744

1-sigma variation

0.000540

Unit

Inclination (i)

Value

5.1181

1-sigma variation

0.0066

Unit

Long. of Ascending Node (Ω)

Value

3.5310

1-sigma variation

0.0020

Unit

Arg. of Perihelion (ω)

Value

197.6091

1-sigma variation

0.0040

Unit

Mean Anomaly (M)

Value

15.78131

1-sigma variation

0.01780

Unit

Perihelion distance

Value

0.984878

1-sigma variation

Unit

Aphelion distance

Value

1.877074

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.835913

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.001285

1-sigma variation

Unit

MOID

Value

0.000908

1-sigma variation

Unit

Orbit Period

Value

625.2400

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.19644E-6	5.90400E-7	7.16667E-6	1.75311E-6	3.60487E-6	-1.94642E-5
e	5.90400E-7	2.91348E-7	3.53712E-6	8.62052E-7	1.78474E-6	-9.60613E-6
i	7.16667E-6	3.53712E-6	4.29888E-5	1.02076E-5	2.21543E-5	-1.16708E-4
Ω	1.75311E-6	8.62052E-7	1.02076E-5	4.00495E-6	2.54504E-6	-2.79529E-5
ω	3.60487E-6	1.78474E-6	2.21543E-5	2.54504E-6	1.61166E-5	-5.97456E-5
M	-1.94642E-5	-9.60613E-6	-1.16708E-4	-2.79529E-5	-5.97456E-5	3.16886E-4

Date of computation: 2025-03-11 14:31 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

26.794

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

12 - 26*

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

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.396365

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-05.29637

Unit

Source

[2]

Last Observation

Value

2025-03-11.1787

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

34 (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

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 2025EQ2 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	1956-03-06 06:38	> 1 mo	0.0856124	0.0116519	0.5957875
EARTH	1975-03-13 06:26	> 1 w	0.0435858	0.0060098	0.1200014
EARTH	2006-04-14 08:06	> 1 mo	0.0379042	0.0204894	0.0585590
EARTH	2025-03-19 19:09	< 1 min	0.0134202	0.0133602	0.0000200
EARTH	2037-03-02 04:17	> 1 d	0.1345517	0.0154044	0.0839511
7 Iris	2039-12-24 13:22	> 1 w	0.0187967	0.0180344	0.0112878
EARTH	2066-06-01 21:43	> 1 w	0.1830092	0.0749491	0.1168120
EARTH	2078-05-12 03:58	> 1 w	0.0751580	0.0571856	0.0499079
EARTH	2090-04-29 04:10	> 1 w	0.0560108	0.0430461	0.0133067
EARTH	2102-05-16 14:23	> 1 d	0.0827720	0.0611003	0.0178635

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
346.89734614	79.96538647	0.00090786	MINIMUM
181.96835198	280.75049499	0.88084231	SADDLE
3.05532785	282.11910858	1.98152959	SADDLE
181.34822385	100.30621388	2.87938446	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2025EQ2

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS
2078-03-24.119	80116.119	-0.969	2.03 ± 0.112	4.18E3	2.38E-4	2.30E-5	-4.64
2078-03-24.138	80116.138	-0.969	1.10 ± 0.007	6.02E3	1.54E-4	1.49E-5	-4.83
2078-03-24.198	80116.198	1.188	0.46 ± 0.019	1.80E5	4.61E-6	4.49E-7	-6.35
2080-03-23.669	80846.669	2.499	0.99 ± 0.063	3.27E3	2.06E-5	2.02E-6	-5.72
2080-03-23.689	80846.689	2.640	1.55 ± 0.057	5.32E2	7.41E-5	7.26E-6	-5.16
2080-03-23.724	80846.724	3.503	0.27 ± 0.078	6.25E5	5.91E-9	5.80E-10	-9.26
2084-03-23.604	82307.604	1.823	0.48 ± 0.049	3.61E6	8.80E-8	8.61E-9	-8.12
2086-03-24.073	83038.073	1.622	1.49 ± 0.015	1.05E5	3.23E-6	3.15E-7	-6.57
2087-03-24.338	83403.338	2.001	1.32 ± 0.075	1.33E4	1.67E-5	1.63E-6	-5.86
2087-03-24.387	83403.387	4.025	0.49 ± 0.005	3.74E5	1.36E-9	1.34E-10	-9.95
2089-03-23.629	84133.629	2.677	0.32 ± 0.000	3.95E7	1.19E-9	1.17E-10	-10.02
2089-03-23.689	84133.689	1.724	0.86 ± 0.055	8.23E6	4.34E-8	4.23E-9	-8.46
2092-03-23.534	85229.534	1.342	1.90 ± 0.032	5.17E6	8.38E-8	8.16E-9	-8.20
2094-03-23.930	85959.930	1.665	2.05 ± 0.000	1.26E6	2.17E-7	2.11E-8	-7.79
2095-03-24.190	86325.190	1.471	1.45 ± 0.119	2.15E6	2.32E-7	2.26E-8	-7.77
2095-03-24.206	86325.206	1.471	0.16 ± 0.000	1.30E8	4.47E-9	4.37E-10	-9.49
2095-03-24.247	86325.247	1.793	1.21 ± 0.067	3.75E5	9.13E-7	8.92E-8	-7.18
2095-03-24.270	86325.270	-1.070	1.60 ± 0.056	2.42E5	2.88E-6	2.79E-7	-6.68
2095-03-24.323	86325.323	1.220	0.41 ± 0.022	4.49E6	1.78E-7	1.74E-8	-7.89
2095-03-24.420	86325.420	-2.001	0.86 ± 0.016	3.94E4	5.42E-6	5.22E-7	-6.41
2100-03-24.433	88151.433	-1.992	1.64 ± 0.077	2.11E6	9.29E-8	8.95E-9	-8.20
2100-03-24.450	88151.450	-1.992	0.47 ± 0.000	2.02E7	1.15E-8	1.10E-9	-9.11
2100-03-24.525	88151.525	1.489	1.63 ± 0.059	3.63E5	1.10E-6	1.07E-7	-7.12
2100-03-24.624	88151.624	-3.205	0.09 ± 0.074	5.40E6	1.88E-9	1.80E-10	-9.90
2101-03-24.712	88516.712	2.056	1.79 ± 0.032	4.17E6	3.66E-8	3.58E-9	-8.61
2105-03-24.677	89977.677	-1.267	0.72 ± 0.000	7.57E6	9.64E-8	9.29E-9	-8.21
2105-03-24.872	89977.872	1.361	1.06 ± 0.049	4.39E6	1.36E-7	1.32E-8	-8.06
2106-03-24.856	90342.856	1.045	0.21 ± 0.000	1.58E8	6.26E-9	6.10E-10	-9.40
2106-03-24.932	90342.932	1.861	1.83 ± 0.000	6.44E6	2.99E-8	2.92E-9	-8.72
2107-03-25.338	90708.338	-2.547	0.87 ± 0.003	1.22E5	5.05E-7	4.85E-8	-7.51
2112-03-24.645	92534.645	-1.947	1.04 ± 0.004	1.54E5	1.48E-6	1.42E-7	-7.07
2113-03-24.712	92899.712	-1.534	1.29 ± 0.358	4.23E7	1.23E-8	1.19E-9	-9.15
2123-03-24.840	96551.840	2.647	1.34 ± 0.046	2.79E7	1.56E-9	1.53E-10	-10.09


Based on 34 optical observations (of which 0 are rejected as outliers) from 2025/03/05.296 to 2025/03/11.179.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 2.16 and 2.16 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20250311 145326.719 UTC.

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