Asteroids

2025DY5 help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.853

Aphelion (Q)

1.703

Eccentricity (e)

0.333

Inclination (i)

2.4

deg

Orbit period (P)

527.8

Earth MOID

0.00895

U parameter

8.0

Next Earth close approach

Date

2035-08-06

Nominal distance (from Earth center)

0.15516

23212251

Maximum Brightness

24.2

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

25.4

mag

Diameter

22 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-23

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

1.278090

1-sigma variation

0.001078

Unit

Eccentricity (e)

Value

0.332832

1-sigma variation

0.000803

Unit

Inclination (i)

Value

2.4010

1-sigma variation

0.0047

Unit

Long. of Ascending Node (Ω)

Value

1.4803

1-sigma variation

0.0009

Unit

Arg. of Perihelion (ω)

Value

231.8085

1-sigma variation

0.0097

Unit

Mean Anomaly (M)

Value

3.66698

1-sigma variation

0.00782

Unit

Perihelion distance

Value

0.852701

1-sigma variation

Unit

Aphelion distance

Value

1.703480

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.428382

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.054197

1-sigma variation

Unit

MOID

Value

0.008950

1-sigma variation

Unit

Orbit Period

Value

527.7653

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.16152E-6	8.65049E-7	5.05698E-6	8.77592E-7	1.04465E-5	8.42185E-6
e	8.65049E-7	6.44251E-7	3.76620E-6	6.54031E-7	7.78037E-6	6.27195E-6
i	5.05698E-6	3.76620E-6	2.20169E-5	3.81869E-6	4.54827E-5	3.66669E-5
Ω	8.77592E-7	6.54031E-7	3.81869E-6	7.44851E-7	7.91602E-6	6.32626E-6
ω	1.04465E-5	7.78037E-6	4.54827E-5	7.91602E-6	9.39989E-5	7.57207E-5
M	8.42185E-6	6.27195E-6	3.66669E-5	6.32626E-6	7.57207E-5	6.10855E-5

Date of computation: 2025-03-10 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

25.362

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

22 - 50*

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

0.51589

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-23.289815

Unit

Source

[2]

Last Observation

Value

2025-03-10.207574

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

29 (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 2025DY5 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	1950-06-06 03:16	> 1 mo	0.1538935	0.0847553	0.0473314
EARTH	1960-08-07 20:53	> 1 d	0.1958359	0.0271591	0.1012034
EARTH	1963-03-11 04:05	> 1 w	0.0144443	0.0097597	0.0506170
EARTH	1973-07-28 21:43	> 1 w	0.0521833	0.0364879	0.0938744
EARTH	1976-03-03 08:00	> 1 w	0.0783636	0.0104126	0.1743307
EARTH	1986-07-21 17:28	> 1 w	0.0523608	0.0363952	0.1263610
EARTH	1989-02-25 16:16	> 1 w	0.1781914	0.0111789	0.1928502
EARTH	1999-06-13 02:17	> 1 mo	0.1467686	0.0556612	0.0584132
EARTH	2012-04-28 22:59	> 1 mo	0.1526005	0.0837386	0.0260172
EARTH	2022-08-07 02:41	> 1 d	0.1731582	0.1045582	0.0232224
EARTH	2025-03-12 14:10	< 1 min	0.0249440	0.0247732	0.0000569
EARTH	2035-08-06 01:10	> 1 d	0.1551643	0.0359101	0.0750560
EARTH	2038-03-17 20:50	> 1 w	0.0558480	0.0098133	0.0882942
EARTH	2051-04-24 02:00	> 1 w	0.1447914	0.1256474	0.0064263
EARTH	2064-05-31 22:03	> 1 w	0.1565356	0.1224490	0.0121855
EARTH	2077-07-11 10:13	> 1 mo	0.0928534	0.0363429	0.0989804
EARTH	2080-02-26 16:36	> 1 d	0.1839414	0.0103652	0.1328448
EARTH	2090-07-25 19:20	> 1 w	0.0367697	0.0362775	0.0184177
EARTH	2093-03-03 00:56	> 1 w	0.0966444	0.0085193	0.2087043
EARTH	2103-07-31 07:01	> 1 mo	0.0534934	0.0361179	0.3049790
EARTH	2106-03-07 18:44	> 1 mo	0.0488764	0.0081374	0.4121664
EARTH	2116-08-01 04:44	> 1 mo	0.0679296	0.0359822	0.4172942
EARTH	2119-03-09 13:45	> 1 mo	0.0326421	0.0075691	0.6376415

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
312.25905955	66.15494718	0.00894958	MINIMUM
52.20580179	200.81212183	0.03655845	MINIMUM
3.10492846	134.63190194	0.16142281	SADDLE
181.32609165	312.37324409	0.71574320	SADDLE
2.30302786	313.50135724	1.84135558	SADDLE
181.11395391	132.23294655	2.71388318	MAXIMUM

Download:

MOID Plots

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