Asteroids

2026TY1 help

Last update: 2026-10-08 14:46 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Aten

Perihelion (q)

0.777

Aphelion (Q)

1.029

Eccentricity (e)

0.139

Inclination (i)

7.0

deg

Orbit period (P)

313.5

Earth MOID

0.00805

U parameter

5.9

Next Earth close approach

Date

2032-09-28

Nominal distance (from Earth center)

0.03822

5718330

Maximum Brightness

24.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

4 - 10*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-04

Observatory

GINOP-KHK, Piszkesteto

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

0.903053

1-sigma variation

0.000020

Unit

Eccentricity (e)

Value

0.139203

1-sigma variation

0.000029

Unit

Inclination (i)

Value

6.9577

1-sigma variation

0.0020

Unit

Long. of Ascending Node (Ω)

Value

192.8735

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

330.8059

1-sigma variation

0.0021

Unit

Mean Anomaly (M)

Value

310.12725

1-sigma variation

0.00244

Unit

Perihelion distance

Value

0.777345

1-sigma variation

Unit

Aphelion distance

Value

1.028761

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.209248

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.009114

1-sigma variation

Unit

MOID

Value

0.008051

1-sigma variation

Unit

Orbit Period

Value

313.4500

1-sigma variation

Unit

U parameter

Value

5.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.83821E-10	-5.75100E-10	-3.82366E-8	-2.52482E-9	-3.94069E-8	-4.47748E-8
e	-5.75100E-10	8.63128E-10	5.73590E-8	3.78884E-9	5.83154E-8	6.80963E-8
i	-3.82366E-8	5.73590E-8	3.81454E-6	2.51833E-7	3.89289E-6	4.50601E-6
Ω	-2.52482E-9	3.78884E-9	2.51833E-7	1.66437E-8	2.56328E-7	2.98522E-7
ω	-3.94069E-8	5.83154E-8	3.89289E-6	2.56328E-7	4.42173E-6	4.07838E-6
M	-4.47748E-8	6.80963E-8	4.50601E-6	2.98522E-7	4.07838E-6	5.93899E-6

Date of computation: 2026-10-08 14:46 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

28.955

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 - 10*

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

0.638042

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-04.966544

Unit

Source

[2]

Last Observation

Value

2026-10-07.275031

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

64 (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 2026TY1 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	1962-09-15 09:58	> 1 mo	0.0773290	0.0398609	0.1594935
EARTH	1968-05-09 17:17	> 1 mo	0.1956001	0.1907123	0.0344413
EARTH	1968-10-17 00:24	554.0	0.1389797	0.0214523	0.2168710
EARTH	1979-08-21 08:13	> 1 d	0.1837848	0.0934887	0.0683280
EARTH	1985-10-07 21:40	730.2	0.0078800	0.0069139	0.0012552
EARTH	1991-05-29 18:55	> 1 d	0.1752999	0.1731035	0.0007778
EARTH	1991-10-14 11:54	303.9	0.0461849	0.0372833	0.0029904
EARTH	1997-10-15 16:06	55.6	0.1857610	0.1751390	0.0035426
EARTH	2014-08-18 15:27	101.9	0.1711304	0.1657146	0.0018171
EARTH	2020-09-14 01:00	374.4	0.0757089	0.0734002	0.0007743
EARTH	2026-10-07 16:06	< 1 min	0.0078592	0.0078534	0.0000019
EARTH	2032-09-28 08:24	424.2	0.0382247	0.0354977	0.0009148
EARTH	2038-08-23 13:34	125.0	0.1215208	0.1202340	0.0004314
EARTH	2039-01-02 00:45	1314.6	0.1924420	0.1918110	0.0002106
EARTH	2057-04-23 08:40	1169.5	0.1943140	0.1937360	0.0001986
EARTH	2057-10-15 04:23	6.8	0.1638210	0.1596815	0.0013802
EARTH	2063-06-09 02:17	> 1 d	0.1624116	0.1611020	0.0004535
EARTH	2063-10-08 13:06	382.4	0.0088613	0.0086510	0.0003302
EARTH	2069-09-24 13:58	> 1 w	0.0470167	0.0207573	0.0436573
EARTH	2075-08-15 13:50	> 1 d	0.1323631	0.0913268	0.0480704
EARTH	2094-05-11 21:42	> 1 mo	0.1828498	0.1763056	0.0279388
EARTH	2094-10-15 10:18	> 1 d	0.0735942	0.0188871	0.1419118
EARTH	2100-09-14 20:34	> 1 w	0.0687564	0.0404799	0.0397274
EARTH	2119-06-01 16:14	> 1 mo	0.1682045	0.1592881	0.0607725
EARTH	2119-10-10 15:28	> 1 mo	0.0152800	0.0136655	0.0898798
EARTH	2125-09-04 17:06	> 1 mo	0.0841352	0.0588372	1.0219784

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
215.44068754	272.65557733	0.00805075	MINIMUM
352.83162080	51.76972872	0.22072055	SADDLE
6.51460433	247.27260965	1.78273066	SADDLE
186.82810514	67.62201115	2.02019201	MAXIMUM

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MOID Plots

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