Asteroids

2026NC help

Last update: 2026-07-07 13:01 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.650

Aphelion (Q)

1.494

Eccentricity (e)

0.394

Inclination (i)

16.1

deg

Orbit period (P)

405.4

Earth MOID

0.00637

U parameter

8.0

Next Earth close approach

Date

2029-01-28

Nominal distance (from Earth center)

0.13181

19718589

Maximum Brightness

25.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

17 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-07-06

Observatory

University of Arizona 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.072049

1-sigma variation

0.000629

Unit

Eccentricity (e)

Value

0.393689

1-sigma variation

0.000682

Unit

Inclination (i)

Value

16.1461

1-sigma variation

0.0309

Unit

Long. of Ascending Node (Ω)

Value

105.7762

1-sigma variation

0.0011

Unit

Arg. of Perihelion (ω)

Value

284.5363

1-sigma variation

0.0233

Unit

Mean Anomaly (M)

Value

274.89126

1-sigma variation

0.12556

Unit

Perihelion distance

Value

0.649994

1-sigma variation

Unit

Aphelion distance

Value

1.494103

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.159121

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.011562

1-sigma variation

Unit

MOID

Value

0.006373

1-sigma variation

Unit

Orbit Period

Value

405.4340

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.95198E-7	4.25708E-7	1.93906E-5	-6.62905E-7	-1.40156E-5	7.89047E-5
e	4.25708E-7	4.65746E-7	2.10923E-5	-7.06796E-7	-1.45146E-5	8.52713E-5
i	1.93906E-5	2.10923E-5	9.57269E-4	-3.23197E-5	-6.71037E-4	3.87935E-3
Ω	-6.62905E-7	-7.06796E-7	-3.23197E-5	1.11960E-6	2.41015E-5	-1.32075E-4
ω	-1.40156E-5	-1.45146E-5	-6.71037E-4	2.41015E-5	5.44437E-4	-2.77596E-3
M	7.89047E-5	8.52713E-5	3.87935E-3	-1.32075E-4	-2.77596E-3	1.57645E-2

Date of computation: 2026-07-07 13:01 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

25.973

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

17 - 40*

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

0.7

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.699516

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-07-06.236909

Unit

Source

[2]

Last Observation

Value

2026-07-06.933888

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

36 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2026NC 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	1955-07-06 01:13	432.8	0.0289399	0.0093127	0.0081124
EARTH	1958-01-22 15:55	136.4	0.0986366	0.0966540	0.0007659
EARTH	1965-07-01 12:00	> 1 d	0.1237896	0.0481463	0.0252941
EARTH	1968-01-14 19:23	> 1 d	0.1436237	0.1026224	0.0261282
EARTH	2006-07-12 20:10	> 1 d	0.1619455	0.0085232	0.0857663
EARTH	2016-07-09 07:54	> 1 d	0.0690437	0.0070984	0.0523231
EARTH	2019-01-29 18:18	> 1 d	0.1428134	0.1021968	0.0308197
EARTH	2026-07-07 12:21	< 1 min	0.0100099	0.0099536	0.0000188
EARTH	2029-01-28 00:17	854.0	0.1318106	0.1126938	0.0073024
EARTH	2036-07-11 20:12	> 1 d	0.1384574	0.0071019	0.0511903
EARTH	2058-01-06 18:49	> 1 w	0.1908415	0.1183992	0.1239539
EARTH	2065-07-02 09:24	> 1 w	0.1129369	0.0063431	0.1778755
EARTH	2068-01-20 19:41	> 1 w	0.1038291	0.0986544	0.0550972
EARTH	2075-07-07 18:47	> 1 w	0.0064138	0.0049826	0.1254059
EARTH	2078-01-31 06:18	> 1 mo	0.1771050	0.1034645	0.5989432
EARTH	2094-07-07 05:34	> 1 mo	0.0066763	0.0044986	3.2895142
EARTH	2097-01-27 01:13	> 1 w	0.1224388	0.0991828	1.1111596
EARTH	2104-07-10 16:18	> 1 mo	0.0705833	0.0047924	16.6240275
EARTH	2107-02-02 09:56	> 1 mo	0.1848170	0.1040561	14.7158698
EARTH	2114-07-14 13:25	> 1 mo	0.1903554	0.0049375	27.1246579

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
277.99609895	180.33147037	0.00637314	MINIMUM
69.64393546	17.98216016	0.09965732	MINIMUM
353.16014903	277.23346883	0.41262142	SADDLE
174.85874902	102.31070287	0.59368363	SADDLE
355.55989582	101.00126444	1.63892285	SADDLE
179.56870552	285.54897070	2.46738353	MAXIMUM

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MOID Plots

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