Asteroids

2025DZ1 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.743

Aphelion (Q)

3.205

Eccentricity (e)

0.623

Inclination (i)

2.8

deg

Orbit period (P)

1013.2

Earth MOID

0.00676

U parameter

7.0

Next Earth close approach

Date

2047-08-14

Nominal distance (from Earth center)

0.17326

25919115

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.9

mag

Diameter

28 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-19

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.974276

1-sigma variation

0.000720

Unit

Eccentricity (e)

Value

0.623414

1-sigma variation

0.000157

Unit

Inclination (i)

Value

2.8263

1-sigma variation

0.0006

Unit

Long. of Ascending Node (Ω)

Value

339.9189

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

257.8361

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

76.01866

1-sigma variation

0.04025

Unit

Perihelion distance

Value

0.743485

1-sigma variation

Unit

Aphelion distance

Value

3.205066

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.380086

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.075089

1-sigma variation

Unit

MOID

Value

0.006761

1-sigma variation

Unit

Orbit Period

Value

1013.2350

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.19069E-7	1.13409E-7	4.65689E-7	1.27329E-7	2.97863E-8	-2.89998E-5
e	1.13409E-7	2.47781E-8	1.01745E-7	2.78189E-8	6.51868E-9	-6.33602E-6
i	4.65689E-7	1.01745E-7	4.17953E-7	1.14393E-7	2.64032E-8	-2.60175E-5
Ω	1.27329E-7	2.78189E-8	1.14393E-7	3.14437E-8	6.95125E-9	-7.11373E-6
ω	2.97863E-8	6.51868E-9	2.64032E-8	6.95125E-9	4.79394E-9	-1.66434E-6
M	-2.89998E-5	-6.33602E-6	-2.60175E-5	-7.11373E-6	-1.66434E-6	1.62019E-3

Date of computation: 2025-09-10 00:30 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

24.868

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

28 - 60*

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

192

Unit

Source

[1]

Normalized RMS of residuals

Value

0.567901

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-19.333865

Unit

Source

[2]

Last Observation

Value

2025-03-07.406628

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

128 (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 2025DZ1 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	1958-03-05 23:45	> 1 d	0.0278556	0.0027188	0.0855030
MARS	1958-07-12 06:31	> 1 d	0.0418718	0.0348727	0.0419319
EARTH	1969-08-07 06:04	> 1 w	0.0959910	0.0289319	0.1324695
EARTH	1983-07-24 16:45	> 1 w	0.0964312	0.0273472	0.1001105
EARTH	2011-03-20 18:37	> 1 d	0.1158832	0.0031970	0.0428174
EARTH	2025-03-08 01:59	< 1 s	0.0100748	0.0100680	0.0000023
VENUS	2036-05-31 14:54	> 1 w	0.0464800	0.0462555	0.0023948
EARTH	2047-08-14 09:36	> 1 w	0.1732586	0.0229947	0.2060729
EARTH	2075-03-10 05:15	> 1 w	0.0121909	0.0093460	0.1605360
EARTH	2086-07-29 20:48	> 1 mo	0.0581093	0.0219910	1.5093775
VENUS	2100-05-26 12:32	> 1 mo	0.0487999	0.0484355	0.1041922
EARTH	2114-03-22 09:46	> 1 mo	0.1123901	0.0098939	4.0846843
EARTH	2125-08-10 16:48	> 1 mo	0.0857592	0.0189425	5.1509153

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
322.83170089	64.82641965	0.00681547	MINIMUM
38.86550750	208.45467251	0.02494233	MINIMUM
1.20599694	137.15927588	0.27145502	SADDLE
1.08343574	316.92120443	1.73117300	SADDLE
180.26767142	315.84952757	2.21959871	SADDLE
180.24948390	135.84554481	4.21685792	MAXIMUM

Download:

MOID Plots

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