Asteroids

2026BS7 help

Last update: 2026-01-31 08:45 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.614

Aphelion (Q)

1.260

Eccentricity (e)

0.345

Inclination (i)

0.5

deg

Orbit period (P)

331.3

Earth MOID

0.00292

U parameter

6.8

Next Earth close approach

Date

2026-02-04

Nominal distance (from Earth center)

0.00979

1464903

Maximum Brightness

18.7

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

26.6

mag

Diameter

13 - 28*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-01-30

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

0.937109

1-sigma variation

0.000080

Unit

Eccentricity (e)

Value

0.344942

1-sigma variation

0.000424

Unit

Inclination (i)

Value

0.4689

1-sigma variation

0.0006

Unit

Long. of Ascending Node (Ω)

Value

214.4530

1-sigma variation

0.6204

Unit

Arg. of Perihelion (ω)

Value

38.8799

1-sigma variation

0.6065

Unit

Mean Anomaly (M)

Value

198.56085

1-sigma variation

0.05797

Unit

Perihelion distance

Value

0.613861

1-sigma variation

Unit

Aphelion distance

Value

1.260356

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.357144

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.136495

1-sigma variation

Unit

MOID

Value

0.002923

1-sigma variation

Unit

Orbit Period

Value

331.3472

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.34802E-9	2.37987E-8	4.21140E-8	-2.75457E-5	2.71050E-5	4.29208E-6
e	2.37987E-8	1.79665E-7	2.24453E-7	5.10525E-5	-4.87683E-5	2.25340E-5
i	4.21140E-8	2.24453E-7	3.28840E-7	-7.00041E-5	6.99743E-5	3.32206E-5
Ω	-2.75457E-5	5.10525E-5	-7.00041E-5	3.84877E-1	-3.76238E-1	-7.64344E-3
ω	2.71050E-5	-4.87683E-5	6.99743E-5	-3.76238E-1	3.67800E-1	7.62582E-3
M	4.29208E-6	2.25340E-5	3.32206E-5	-7.64344E-3	7.62582E-3	3.36107E-3

Date of computation: 2026-01-31 08:45 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

26.607

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

13 - 28*

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

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.544528

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-01-30.257191

Unit

Source

[2]

Last Observation

Value

2026-01-31.321019

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

25 (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 2026BS7 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
EARTH	1955-10-07 07:17	> 1 w	0.0698199	0.0032609	0.4320658
EARTH	1958-02-02 01:18	> 1 w	0.1040591	0.0076084	0.3905926
EARTH	1965-10-06 13:30	505.9	0.0119948	0.0030067	0.0337160
EARTH	1968-02-01 17:55	> 1 d	0.1077610	0.0077830	0.0410566
EARTH	1975-10-23 00:28	> 1 w	0.1773025	0.0935003	0.0279405
EARTH	1984-10-12 05:22	1307.5	0.1916972	0.1137904	0.0259733
EARTH	1987-02-02 09:50	> 1 d	0.0964075	0.0331423	0.0212184
EARTH	1994-10-07 15:51	81.8	0.0410377	0.0366624	0.0014585
EARTH	1997-02-03 13:06	249.9	0.0271070	0.0094035	0.0066326
EARTH	2004-10-09 07:40	1263.5	0.1053095	0.0763636	0.0096510
EARTH	2016-01-22 07:38	> 1 d	0.1666397	0.1524953	0.0047154
EARTH	2023-10-09 17:57	135.7	0.0917985	0.0825718	0.0030757
EARTH	2026-02-04 11:54	4.7	0.0097923	0.0097291	0.0000211
EARTH	2033-10-08 00:27	168.0	0.0665974	0.0531029	0.0044990
EARTH	2036-02-05 04:02	44.0	0.0209495	0.0079680	0.0057019
EARTH	2043-10-11 22:46	525.2	0.1788746	0.1387120	0.0133880
EARTH	2046-01-25 16:59	> 1 d	0.1528789	0.1109052	0.0139973
VENUS	2053-07-14 23:22	> 1 d	0.0406137	0.0402389	0.0024992
EARTH	2054-10-18 20:00	> 1 w	0.1659849	0.0937276	0.0240879
EARTH	2064-10-05 16:37	618.9	0.0398286	0.0010337	0.0662412
EARTH	2067-02-02 17:14	> 1 d	0.0788278	0.0082489	0.0489794
VENUS	2072-10-27 20:43	> 1 d	0.0451126	0.0437769	0.0036989
EARTH	2074-10-06 19:50	1164.0	0.0177420	0.0008136	0.0355400
EARTH	2077-02-04 20:52	1105.8	0.0210537	0.0078708	0.0114753
EARTH	2085-10-21 20:53	> 1 mo	0.1804525	0.0033598	0.0960667
EARTH	2088-01-30 19:24	> 1 d	0.1854274	0.0085333	0.1701523
EARTH	2095-10-09 03:37	> 1 w	0.1023700	0.0004676	0.2513958
EARTH	2098-01-31 19:44	> 1 mo	0.1216954	0.0078604	0.2310792
VENUS	2102-12-23 07:36	> 1 w	0.0468268	0.0436653	0.0953030
EARTH	2106-10-06 20:24	> 1 d	0.0506303	0.0004993	0.2445495
EARTH	2109-02-05 05:58	> 1 d	0.0236069	0.0082493	0.1819023
EARTH	2116-10-12 22:07	> 1 w	0.1932450	0.0001866	0.6632272
EARTH	2119-01-22 14:14	> 1 mo	0.1734428	0.0082781	0.6494330

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
101.19981059	273.37039640	0.00292288	MINIMUM
261.24246586	33.29056700	0.00790061	MINIMUM
180.97350590	333.06057278	0.27495319	SADDLE
1.96191874	154.12483479	0.40242337	SADDLE
1.89723137	334.05229450	1.59924871	SADDLE
180.98253069	153.07765623	2.27653645	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2026BS7

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2064-10-05.753	75198.753	-3.437	0.000	1.16 ± 1.605	7.49E3	1.77E-7	1.84E-1	-7.41
2075-10-06.355	79216.355	-3.390	0.084	0.46 ± 1.809	1.73E5	8.92E-10	1.76E-1	-9.83
2076-10-05.727	79581.727	-3.419	0.012	1.46 ± 1.599	1.59E6	7.50E-10	1.76E-1	-9.91
2086-10-05.527	83233.527	-0.988	0.554	1.45 ± 5.032	2.48E5	5.45E-8	1.79E-1	-8.12
2097-10-06.761	87252.761	1.960	0.193	0.95 ± 1.818	3.99E5	1.66E-7	1.82E-1	-7.71
2098-10-05.266	87616.266	-0.989	0.503	1.46 ± 4.685	7.31E6	1.37E-9	1.79E-1	-9.80
2099-10-06.992	87982.992	2.656	0.000	1.04 ± 0.558	6.49E5	3.03E-8	1.90E-1	-8.44
2107-10-08.493	90905.493	1.960	0.000	0.99 ± 1.552	2.40E7	3.18E-9	1.89E-1	-9.47
2109-10-07.215	91635.215	3.338	0.000	0.37 ± 3.402	1.18E6	9.71E-10	1.91E-1	-9.99
2109-10-07.844	91635.844	3.393	0.000	1.21 ± 2.693	4.22E5	2.56E-9	1.91E-1	-9.57
2110-10-07.603	92000.603	-0.770	0.000	0.47 ± 1.857	6.79E6	5.79E-8	1.86E-1	-8.23
2111-10-07.742	92365.742	2.717	0.000	0.16 ± 0.581	8.63E6	2.99E-9	1.91E-1	-9.51
2112-10-06.925	92730.925	-0.772	0.000	1.06 ± 1.106	1.10E8	4.05E-9	1.87E-1	-9.39
2113-10-06.666	93095.666	-1.357	0.005	1.46 ± 6.411	1.26E7	5.04E-9	1.78E-1	-9.32
2113-10-07.147	93096.147	-0.774	0.000	1.45 ± 1.069	9.82E6	3.34E-8	1.87E-1	-8.48
2113-10-07.427	93096.427	-0.825	0.061	1.45 ± 10.602	3.54E5	2.72E-7	1.79E-1	-7.59
2113-10-08.546	93097.546	-0.816	0.316	1.24 ± 3.918	6.59E6	2.81E-8	1.79E-1	-8.57
2114-10-07.239	93461.239	-0.819	0.332	1.41 ± 2.829	1.34E7	1.67E-9	1.79E-1	-9.80
2115-10-07.636	93826.636	-0.255	0.002	1.46 ± 10.299	1.80E7	5.47E-9	1.79E-1	-9.29
2115-10-07.672	93826.672	-0.275	0.000	1.29 ± 11.322	4.16E6	2.15E-8	1.87E-1	-8.68
2115-10-08.032	93827.032	-0.265	0.000	1.21 ± 0.943	2.36E8	2.32E-9	1.87E-1	-9.65
2116-10-06.771	94191.771	-0.624	0.000	0.40 ± 7.013	3.53E8	3.49E-10	1.87E-1	-10.48
2116-10-07.043	94192.043	-0.777	0.000	1.12 ± 1.430	1.63E7	2.47E-8	1.87E-1	-8.63
2117-10-07.301	94557.301	-0.270	0.000	1.44 ± 0.749	1.81E8	5.07E-9	1.87E-1	-9.32
2118-10-07.312	94922.312	-0.811	0.000	1.22 ± 4.476	8.78E7	1.86E-9	1.86E-1	-9.76
2120-10-05.966	95651.966	-0.992	0.000	0.39 ± 3.650	9.06E6	1.91E-8	1.86E-1	-8.76
2120-10-07.321	95653.321	3.894	0.000	1.31 ± 0.094	1.24E5	2.29E-9	1.91E-1	-9.67
2121-10-06.659	96017.659	-0.675	0.000	0.65 ± 2.477	2.89E6	1.10E-7	1.86E-1	-8.00
2121-10-07.229	96018.229	0.865	0.000	1.45 ± 0.294	2.89E7	1.04E-8	1.88E-1	-9.02
2122-10-07.282	96383.282	-0.337	0.000	1.45 ± 6.085	3.69E5	5.05E-7	1.79E-1	-7.36
2123-10-07.643	96748.643	-0.275	0.000	1.38 ± 10.896	3.72E7	2.49E-9	1.87E-1	-9.66
2123-10-08.047	96749.047	-0.266	0.000	0.18 ± 6.010	9.69E7	1.74E-9	1.87E-1	-9.81
2123-10-08.373	96749.373	1.417	0.000	0.60 ± 2.617	9.05E7	1.54E-9	1.88E-1	-9.86
2124-10-06.195	97113.195	-0.849	0.042	1.46 ± 2.832	7.69E6	3.24E-8	1.79E-1	-8.56


Based on 25 optical observations (of which 0 are rejected as outliers) from 2026/01/30.257 to 2026/01/31.321.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.45 and 1.45 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260131 090732.587 UTC.

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