Asteroids

2025DT1 help

Last update: 2025-02-23 10:01 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.932

Aphelion (Q)

2.032

Eccentricity (e)

0.371

Inclination (i)

0.5

deg

Orbit period (P)

658.9

Earth MOID

0.00131

U parameter

7.5

Next Earth close approach

Date

2025-02-26

Nominal distance (from Earth center)

0.00571

854587

Maximum Brightness

19.2

mag

Risk

Object is in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

28.8

mag

Diameter

5 - 10*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-20

Observatory

Pan-STARRS 2, 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

1.481918

1-sigma variation

0.000722

Unit

Eccentricity (e)

Value

0.371278

1-sigma variation

0.000343

Unit

Inclination (i)

Value

0.4773

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

347.5127

1-sigma variation

0.0058

Unit

Arg. of Perihelion (ω)

Value

209.9330

1-sigma variation

0.0102

Unit

Mean Anomaly (M)

Value

19.38148

1-sigma variation

0.01293

Unit

Perihelion distance

Value

0.931715

1-sigma variation

Unit

Aphelion distance

Value

2.032121

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.879173

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.026870

1-sigma variation

Unit

MOID

Value

0.001307

1-sigma variation

Unit

Orbit Period

Value

658.9231

1-sigma variation

Unit

U parameter

Value

7.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.21186E-7	2.47430E-7	2.63162E-7	-1.87376E-6	4.92324E-6	-9.31551E-6
e	2.47430E-7	1.17523E-7	1.25841E-7	-9.27621E-7	2.39409E-6	-4.42877E-6
i	2.63162E-7	1.25841E-7	1.48814E-7	-1.60352E-6	3.44073E-6	-4.80344E-6
Ω	-1.87376E-6	-9.27621E-7	-1.60352E-6	3.39583E-5	-5.74005E-5	3.76752E-5
ω	4.92324E-6	2.39409E-6	3.44073E-6	-5.74005E-5	1.04843E-4	-9.42477E-5
M	-9.31551E-6	-4.42877E-6	-4.80344E-6	3.76752E-5	-9.42477E-5	1.67196E-4

Date of computation: 2025-02-22 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

28.769

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

5 - 10*

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

0.367384

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-20.315212

Unit

Source

[2]

Last Observation

Value

2025-02-22.182651

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

15 (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 2025DT1 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	1955-04-15 08:54	> 1 mo	0.0652288	0.0267982	1.5536488
EARTH	1979-05-18 14:03	> 1 mo	0.0142313	0.0072660	0.5110872
EARTH	1990-06-10 12:05	> 1 mo	0.1960665	0.0076645	0.5815524
MARS	2003-07-02 04:13	> 1 w	0.0348110	0.0343412	0.0322487
EARTH	2014-02-22 10:30	> 1 d	0.0319040	0.0013988	0.0464482
EARTH	2025-02-26 11:00	1.4	0.0057126	0.0057022	0.0000035
EARTH	2034-03-28 18:44	> 1 w	0.0648316	0.0307321	0.0114465
EARTH	2043-05-13 09:55	> 1 w	0.0384936	0.0085222	0.0369435
EARTH	2052-05-24 16:58	> 1 d	0.0096585	0.0081163	0.0191377
MARS	2071-11-10 09:30	> 1 mo	0.0317252	0.0138047	1.2178046
EARTH	2072-02-18 00:13	> 1 mo	0.0859087	0.0000705	1.7572530
EARTH	2081-05-10 02:25	> 1 mo	0.0452053	0.0083026	0.3567752
EARTH	2090-06-13 11:03	> 1 mo	0.1959886	0.0083391	1.3811061
EARTH	2110-02-14 19:54	> 1 mo	0.1338657	0.0005272	5.0322079
MARS	2118-11-20 15:27	> 1 mo	0.0312306	0.0142211	3.1665954
EARTH	2119-04-02 00:39	> 1 mo	0.0659109	0.0056202	1.1049123

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
333.22308815	55.69930928	0.00130663	MINIMUM
31.40244418	139.70062653	0.00821137	MINIMUM
2.56028975	97.99491110	0.07013632	SADDLE
181.14670140	276.44399583	1.03395360	SADDLE
2.48468006	277.88749299	1.92969078	SADDLE
181.14519061	96.44465015	3.03361721	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2025DT1

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS
2072-02-29.121	77901.121	-0.347	0.000	1.04 ± 0.007	2.79E3	3.88E-4	2.82E-6	-5.28
2073-02-26.652	78264.652	0.648	0.000	0.65 ± 0.121	5.90E6	1.90E-7	1.39E-9	-8.60
2074-02-26.862	78629.862	0.642	0.000	0.91 ± 0.142	1.18E7	8.33E-8	6.08E-10	-8.96
2074-02-28.411	78631.411	-0.354	0.000	0.96 ± 0.007	3.35E6	3.35E-7	2.44E-9	-8.36
2075-02-28.727	78996.727	-0.343	0.000	0.73 ± 0.007	1.90E7	6.39E-8	4.65E-10	-9.09
2076-02-29.241	79362.241	4.759	0.000	0.81 ± 0.047	2.41E5	6.29E-11	4.64E-13	-12.10
2076-07-09.853	79493.853	-0.344	1.524	1.01 ± 1.348	6.20E7	5.47E-11	3.97E-13	-12.17
2077-02-28.207	79727.207	-0.337	0.000	0.64 ± 0.009	5.87E6	2.13E-7	1.55E-9	-8.58
2079-02-28.834	80457.834	-0.324	0.000	1.43 ± 0.010	1.35E6	8.20E-7	5.96E-9	-8.01
2080-02-27.426	80821.426	0.645	0.000	0.44 ± 0.115	2.60E7	4.28E-8	3.12E-10	-9.30
2084-02-29.125	82284.125	-0.332	0.000	1.50 ± 0.010	5.96E6	1.20E-7	8.76E-10	-8.89
2085-02-28.369	82649.369	-0.377	0.000	1.74 ± 0.007	1.36E6	2.06E-7	1.49E-9	-8.66
2085-02-28.393	82649.393	-0.340	0.000	1.44 ± 0.010	2.59E7	3.05E-8	2.21E-10	-9.49
2087-02-27.422	83378.422	0.622	0.000	0.49 ± 0.025	2.69E7	4.17E-8	3.04E-10	-9.37
2088-02-29.077	83745.077	-0.303	0.000	1.68 ± 0.019	8.30E5	1.22E-6	8.85E-9	-7.91
2090-02-27.175	84474.175	0.650	0.000	1.77 ± 0.062	2.14E7	6.29E-9	4.59E-11	-10.21
2091-02-28.793	84840.793	-0.352	0.000	1.78 ± 0.011	6.85E7	9.75E-10	7.09E-12	-11.02
2092-02-29.198	85206.198	-0.350	0.000	1.26 ± 0.000	1.25E8	7.59E-9	5.52E-11	-10.14
2092-02-29.285	85206.285	-1.222	0.000	1.46 ± 0.019	2.92E4	1.36E-5	9.88E-8	-6.89
2094-02-28.578	85936.578	0.987	0.000	1.64 ± 0.037	8.17E5	1.06E-6	7.77E-9	-8.00
2095-02-27.160	86300.160	0.644	0.000	1.74 ± 0.000	5.20E7	4.46E-9	3.26E-11	-10.39
2099-02-27.906	87761.906	-2.667	0.079	1.80 ± 0.207	6.80E5	1.05E-8	7.61E-11	-10.04
2100-03-01.190	88128.190	-0.372	0.000	1.32 ± 0.008	2.11E6	4.15E-7	3.03E-9	-8.45
2101-03-01.458	88493.458	-1.211	0.000	0.70 ± 0.037	6.97E5	9.77E-7	7.09E-9	-8.09
2103-03-02.064	89224.064	-1.228	0.000	1.23 ± 0.018	2.05E6	2.41E-7	1.75E-9	-8.70
2104-03-01.347	89589.347	0.999	0.000	1.27 ± 0.022	4.65E7	1.30E-8	9.46E-11	-9.98
2107-03-02.166	90685.166	0.994	0.000	0.72 ± 0.031	4.80E6	1.65E-7	1.20E-9	-8.89
2108-02-29.491	91049.491	0.362	0.000	1.40 ± 0.017	5.91E6	1.37E-7	1.00E-9	-8.97
2108-03-01.391	91050.391	-1.218	0.000	0.17 ± 0.019	1.09E7	6.19E-8	4.50E-10	-9.32
2108-03-01.533	91050.533	1.010	0.000	1.70 ± 0.025	4.97E6	5.02E-8	3.67E-10	-9.41
2111-03-01.194	92145.194	0.324	0.000	0.88 ± 0.017	1.31E7	8.99E-8	6.56E-10	-9.17
2114-03-02.370	93242.370	4.826	0.000	1.28 ± 0.015	6.05E5	1.48E-11	1.09E-13	-12.97
2115-02-27.959	93604.959	0.535	0.000	1.34 ± 0.040	5.18E5	2.25E-6	1.64E-8	-7.79
2115-03-01.753	93606.753	4.147	0.000	0.12 ± 0.100	6.03E6	4.31E-11	3.16E-13	-12.51
2117-03-01.584	94337.584	-1.217	0.000	0.30 ± 0.025	5.79E6	1.15E-7	8.37E-10	-9.10
2119-03-01.100	95067.100	0.567	0.000	1.58 ± 0.030	5.94E6	9.08E-8	6.63E-10	-9.21
2120-02-28.493	95431.493	0.305	0.000	1.39 ± 0.029	4.78E6	1.77E-7	1.29E-9	-8.92
2120-03-01.810	95433.810	1.716	0.000	0.94 ± 0.021	2.60E7	1.07E-8	7.78E-11	-10.14


Based on 15 optical observations (of which 0 are rejected as outliers) from 2025/02/20.315 to 2025/02/22.183.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.78 and 1.78 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20250222 145902.435 UTC.

Download this part as:

Download Impactor Table as: