Asteroids

2026TP35 help

Last update: 2026-10-12 13:15 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.648

Aphelion (Q)

1.610

Eccentricity (e)

0.426

Inclination (i)

13.9

deg

Orbit period (P)

438.2

Earth MOID

0.00158

U parameter

5.8

Next Earth close approach

Date

2028-04-20

Nominal distance (from Earth center)

0.08731

13061191

Maximum Brightness

28.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

4 - 9*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-11

Observatory

ATLAS-MLO, Mauna Loa

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

61400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.129049

1-sigma variation

0.000029

Unit

Eccentricity (e)

Value

0.426104

1-sigma variation

0.000027

Unit

Inclination (i)

Value

13.8746

1-sigma variation

0.0009

Unit

Long. of Ascending Node (Ω)

Value

197.8537

1-sigma variation

9.568E-6

Unit

Arg. of Perihelion (ω)

Value

280.3875

1-sigma variation

0.0010

Unit

Mean Anomaly (M)

Value

11.03408

1-sigma variation

0.00100

Unit

Perihelion distance

Value

0.647957

1-sigma variation

Unit

Aphelion distance

Value

1.610141

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.142035

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.003308

1-sigma variation

Unit

MOID

Value

0.001584

1-sigma variation

Unit

Orbit Period

Value

438.1953

1-sigma variation

Unit

U parameter

Value

5.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.51275E-10	7.54488E-10	2.71675E-8	2.71201E-10	-1.41233E-8	2.87644E-8
e	7.54488E-10	7.39270E-10	2.51055E-8	2.55882E-10	-4.94928E-9	2.70319E-8
i	2.71675E-8	2.51055E-8	8.97196E-7	9.02956E-9	-3.40602E-7	9.40279E-7
Ω	2.71201E-10	2.55882E-10	9.02956E-9	9.15481E-11	-2.83607E-9	9.50135E-9
ω	-1.41233E-8	-4.94928E-9	-3.40602E-7	-2.83607E-9	1.04603E-6	-3.12276E-7
M	2.87644E-8	2.70319E-8	9.40279E-7	9.50135E-9	-3.12276E-7	1.00546E-6

Date of computation: 2026-10-12 13:15 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

28.991

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

4 - 9*

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

0.3

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

1.02518

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-11.42805

Unit

Source

[2]

Last Observation

Value

2026-10-11.68847

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

19 (3)

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 2026TP35 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	1965-10-13 11:21	168.5	0.0494527	0.0416024	0.0026169
EARTH	1967-05-01 05:16	202.7	0.1848042	0.1763291	0.0028369
EARTH	1976-10-07 16:00	339.9	0.0756667	0.0597144	0.0053175
EARTH	1978-04-24 04:50	436.5	0.0808659	0.0726082	0.0031457
EARTH	1989-04-15 23:53	531.6	0.0979847	0.0875172	0.0036928
EARTH	2015-10-16 06:13	152.9	0.0970228	0.0893081	0.0025716
EARTH	2026-10-11 18:13	< 1 s	0.0015025	0.0015022	0.0000001
EARTH	2028-04-20 22:18	23.9	0.0873087	0.0869654	0.0001153
EARTH	2032-10-10 05:17	91.2	0.0243363	0.0199639	0.0014578
EARTH	2034-04-18 09:42	97.3	0.1137855	0.1124160	0.0004608
EARTH	2038-10-06 11:10	67.8	0.1210117	0.1176806	0.0011104
EARTH	2040-04-06 11:44	342.3	0.1953523	0.1907369	0.0015442
EARTH	2083-05-03 18:33	737.7	0.1697233	0.1436617	0.0089584
EARTH	2087-10-16 17:33	491.8	0.1081156	0.0796836	0.0094776
EARTH	2089-04-27 07:18	754.9	0.0915473	0.0818393	0.0043866
EARTH	2093-10-12 18:49	422.8	0.0232030	0.0034972	0.0069788
EARTH	2095-04-23 09:08	263.3	0.0811670	0.0807629	0.0002058
EARTH	2099-10-12 03:51	901.5	0.0043762	0.0029191	0.0109470
EARTH	2101-04-17 02:10	> 1 d	0.1417991	0.0769246	0.0268932
EARTH	2120-05-04 21:26	> 1 w	0.1681849	0.0880166	0.2945661
EARTH	2124-10-11 09:43	> 1 w	0.0295837	0.0033949	0.3780669
EARTH	2126-04-13 03:54	> 1 w	0.1732883	0.1039474	0.1952198

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
285.78134503	276.13661500	0.00158420	MINIMUM
70.17145359	109.77597289	0.07642515	MINIMUM
357.90061655	11.89062575	0.38612742	SADDLE
178.40244576	194.69353047	0.66882205	SADDLE
0.02703617	195.24508362	1.65117128	SADDLE
180.85045140	16.30086177	2.57679009	MAXIMUM

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MOID Plots

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