Asteroids

2026DN5 help

Last update: 2026-02-23 16:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.740

Aphelion (Q)

1.251

Eccentricity (e)

0.257

Inclination (i)

0.8

deg

Orbit period (P)

362.8

Earth MOID

0.00013

U parameter

7.8

Next Earth close approach

Date

2031-05-18

Nominal distance (from Earth center)

0.07389

11053490

Maximum Brightness

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

30.9

mag

Diameter

1.8 - 4*

Taxonomic type

Rotation period (T)

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

0.995485

1-sigma variation

0.000382

Unit

Eccentricity (e)

Value

0.256696

1-sigma variation

0.000368

Unit

Inclination (i)

Value

0.7619

1-sigma variation

0.0027

Unit

Long. of Ascending Node (Ω)

Value

333.3552

1-sigma variation

0.0022

Unit

Arg. of Perihelion (ω)

Value

76.9354

1-sigma variation

0.1011

Unit

Mean Anomaly (M)

Value

340.84031

1-sigma variation

0.02033

Unit

Perihelion distance

Value

0.739948

1-sigma variation

Unit

Aphelion distance

Value

1.251021

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.132673

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.002527

1-sigma variation

Unit

MOID

Value

0.000134

1-sigma variation

Unit

Orbit Period

Value

362.7858

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.46195E-7	-1.10568E-7	1.02493E-6	7.50073E-7	3.81962E-5	-6.22770E-6
e	-1.10568E-7	1.35218E-7	-7.09874E-7	-3.37455E-7	-3.23835E-5	1.94596E-6
i	1.02493E-6	-7.09874E-7	7.30591E-6	5.55350E-6	2.63357E-4	-4.71596E-5
Ω	7.50073E-7	-3.37455E-7	5.55350E-6	4.87335E-6	1.80400E-4	-4.42658E-5
ω	3.81962E-5	-3.23835E-5	2.63357E-4	1.80400E-4	1.02163E-2	-1.43985E-3
M	-6.22770E-6	1.94596E-6	-4.71596E-5	-4.42658E-5	-1.43985E-3	4.13377E-4

Date of computation: 2026-02-23 16:30 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

30.887

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

1.8 - 4*

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

0.2

Unit

Source

[1]

Unobserved

Value

0.5

Unit

Source

[1]

Normalized RMS of residuals

Value

0.806744

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-23.252527

Unit

Source

[2]

Last Observation

Value

2026-02-23.404588

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

18 (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 2026DN5 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
VENUS	1950-07-30 03:38	> 1 d	0.0302930	0.0284597	0.0022444
VENUS	1981-05-05 11:40	> 1 d	0.0293192	0.0287436	0.0002891
VENUS	2012-01-26 20:08	> 1 w	0.0407701	0.0080611	0.0147849
EARTH	2023-02-28 15:29	407.7	0.1517774	0.1270625	0.0082383
EARTH	2024-02-26 14:39	306.9	0.0949186	0.0766080	0.0061035
EARTH	2025-02-23 21:18	167.6	0.0420710	0.0312806	0.0035968
EARTH	2026-02-22 17:41	< 1 min	0.0002878	0.0002863	0.0000005
EARTH	2031-05-18 18:00	1156.7	0.0738880	0.0672204	0.0022233
EARTH	2040-03-09 06:19	> 1 d	0.0835742	0.0691846	0.0047965
VENUS	2041-06-11 12:21	910.7	0.0392528	0.0382770	0.0016443
VENUS	2043-11-28 04:11	1294.7	0.0383063	0.0382524	0.0003454
EARTH	2045-05-28 18:36	280.2	0.0895025	0.0541210	0.0118206
VENUS	2046-05-14 21:01	> 1 d	0.0382543	0.0382101	0.0004596
VENUS	2048-10-28 12:49	> 1 d	0.0402882	0.0382177	0.0095902
EARTH	2049-02-22 13:49	544.3	0.0399209	0.0003950	0.0282583
VENUS	2051-04-15 12:13	> 1 d	0.0410562	0.0383251	0.0123251
VENUS	2053-09-29 12:36	> 1 d	0.0459037	0.0382954	0.0244616
EARTH	2054-05-28 06:30	> 1 d	0.0130746	0.0074385	0.0318777
VENUS	2056-03-17 01:56	574.7	0.0411271	0.0405357	0.0016362
EARTH	2058-02-25 21:09	661.8	0.1931312	0.1060844	0.0293914
VENUS	2058-09-03 02:53	> 1 d	0.0376445	0.0370128	0.0056680
VENUS	2061-02-18 18:51	> 1 w	0.0382799	0.0376952	0.0157358
EARTH	2063-04-21 14:14	> 1 mo	0.1164894	0.0087814	0.0366166
VENUS	2063-08-06 23:52	> 1 w	0.0393045	0.0376118	0.0626071
VENUS	2066-01-22 11:09	> 1 mo	0.0413437	0.0375691	0.1812261
VENUS	2068-07-10 04:30	> 1 mo	0.0446934	0.0375258	0.4341155
EARTH	2072-03-10 13:16	> 1 mo	0.0853990	0.0000000	0.8478036
EARTH	2077-05-28 09:31	> 1 mo	0.0945071	0.0087797	2.3569807
EARTH	2081-02-21 21:21	> 1 mo	0.0709743	0.0021684	2.4044269
EARTH	2086-05-11 01:10	> 1 mo	0.0900564	0.0175951	0.5073603
EARTH	2095-03-09 18:35	> 1 mo	0.0841883	0.0016992	1.1623918
VENUS	2098-04-02 01:23	> 1 mo	0.0433806	0.0152503	2.1829945
EARTH	2100-05-28 08:30	> 1 w	0.0947943	0.0124560	1.5997900
VENUS	2100-09-18 04:53	> 1 mo	0.0426868	0.0154206	1.6209555
EARTH	2104-02-23 01:23	> 1 d	0.0323095	0.0317872	0.0017767
EARTH	2109-05-27 08:36	> 1 mo	0.0162094	0.0105448	1.7332089
VENUS	2113-01-08 01:52	> 1 mo	0.0341327	0.0133962	1.9315993
VENUS	2115-06-27 07:48	> 1 mo	0.0261520	0.0140349	0.4379036
VENUS	2117-12-09 23:37	> 1 mo	0.0371488	0.0120514	1.2558935
EARTH	2118-04-22 00:22	> 1 mo	0.1124647	0.0464294	0.3203235

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
88.80871746	51.92044505	0.00013405	MINIMUM
265.21709697	199.87394227	0.00732001	MINIMUM
177.61674871	126.51099453	0.24010109	SADDLE
355.93866069	304.79756353	0.25065564	SADDLE
355.81312472	124.65795843	1.75105486	SADDLE
177.62006253	306.52679721	2.24113551	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2026DN5

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2057-02-23.400	72417.400	-3.347	1.45 ± 0.034	2.04E6	1.60E-9	3.85E-4	-11.50
2058-02-23.080	72782.080	-3.250	1.71 ± 0.143	4.50E5	5.06E-9	3.85E-4	-11.01
2087-02-22.789	83373.789	-3.417	1.04 ± 6.076	5.93E7	1.29E-11	3.87E-4	-13.88
2092-05-16.575	85283.575	-3.647	0.84 ± 4.714	1.38E7	3.17E-11	3.86E-4	-13.53


Based on 18 optical observations (of which 0 are rejected as outliers) from 2026/02/23.253 to 2026/02/23.405.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.81 and 1.81 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260223 164808.043 UTC.

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