Asteroids

2025CQ1 help

Last update: 2025-03-13 15:55 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.991

Aphelion (Q)

1.248

Eccentricity (e)

0.115

Inclination (i)

33.9

deg

Orbit period (P)

432.9

Earth MOID

0.00549

U parameter

7.1

Next Earth close approach

Date

2057-02-05

Nominal distance (from Earth center)

0.00654

978986

Maximum Brightness

16.4

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-05

Observatory

ATLAS-HKO, Haleakala

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

1.119904

1-sigma variation

0.000195

Unit

Eccentricity (e)

Value

0.114737

1-sigma variation

0.000152

Unit

Inclination (i)

Value

33.8538

1-sigma variation

0.0100

Unit

Long. of Ascending Node (Ω)

Value

316.8303

1-sigma variation

1.644E-5

Unit

Arg. of Perihelion (ω)

Value

174.1724

1-sigma variation

0.0066

Unit

Mean Anomaly (M)

Value

78.03072

1-sigma variation

0.02565

Unit

Perihelion distance

Value

0.991410

1-sigma variation

Unit

Aphelion distance

Value

1.248398

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.234231

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.005495

1-sigma variation

Unit

MOID

Value

0.005492

1-sigma variation

Unit

Orbit Period

Value

432.8820

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.79036E-8	2.95458E-8	1.95392E-6	3.19486E-9	1.22083E-6	-4.98378E-6
e	2.95458E-8	2.30310E-8	1.52305E-6	2.49014E-9	9.50871E-7	-3.88424E-6
i	1.95392E-6	1.52305E-6	1.00775E-4	1.64851E-7	6.30511E-5	-2.57005E-4
Ω	3.19486E-9	2.49014E-9	1.64851E-7	2.70379E-10	1.04321E-7	-4.21197E-7
ω	1.22083E-6	9.50871E-7	6.30511E-5	1.04321E-7	4.38984E-5	-1.64130E-4
M	-4.98378E-6	-3.88424E-6	-2.57005E-4	-4.21197E-7	-1.64130E-4	6.58141E-4

Date of computation: 2025-02-19 15:19 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

26.126

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

16 - 40*

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

0.7

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.656456

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-05.388112

Unit

Source

[2]

Last Observation

Value

2025-02-06.123597

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

53 (1)

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 2025CQ1 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	1961-01-30 05:07	> 1 d	0.1758199	0.0022559	0.0654534
EARTH	1974-02-06 23:45	> 1 d	0.0331887	0.0057505	0.0513441
EARTH	1993-02-01 15:20	> 1 d	0.1112047	0.0043241	0.0461476
EARTH	2006-02-11 15:17	> 1 d	0.1569835	0.0671670	0.0299449
EARTH	2025-02-05 17:17	< 1 s	0.0058808	0.0058750	0.0000019
EARTH	2057-02-05 18:08	> 1 d	0.0065441	0.0058143	0.0217028
EARTH	2070-02-07 11:54	> 1 mo	0.0374631	0.0057098	1.7549932
EARTH	2083-02-11 19:12	> 1 w	0.1477447	0.0027477	0.2417333
EARTH	2115-02-03 14:58	> 1 mo	0.1104237	0.0044438	3.3276410

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
5.19751494	34.07347648	0.00549165	MINIMUM
186.90517506	215.30305799	0.23419572	MINIMUM
277.27712441	299.30321396	0.61681062	SADDLE
94.53156852	130.13227496	0.63087512	SADDLE
311.10785134	159.89303494	1.98622887	SADDLE
58.24794003	266.83735091	1.99081962	SADDLE
7.37675480	216.06180342	2.00541609	MAXIMUM
184.80211175	33.71717541	2.23420132	MAXIMUM

Download:

MOID Plots

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