Asteroids

2019TA7 help

Last update: 2026-07-30 14:25 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.413

Aphelion (Q)

1.099

Eccentricity (e)

0.454

Inclination (i)

4.0

deg

Orbit period (P)

240.1

Earth MOID

0.00949

U parameter

7.7

Next Earth close approach

Date

2036-08-17

Nominal distance (from Earth center)

0.1077

16111928

Maximum Brightness

25.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.2

mag

Diameter

15 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-10-09

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

0.755978

1-sigma variation

0.000133

Unit

Eccentricity (e)

Value

0.453769

1-sigma variation

0.000536

Unit

Inclination (i)

Value

4.0279

1-sigma variation

0.0078

Unit

Long. of Ascending Node (Ω)

Value

13.1775

1-sigma variation

0.0478

Unit

Arg. of Perihelion (ω)

Value

159.3065

1-sigma variation

0.0614

Unit

Mean Anomaly (M)

Value

287.13916

1-sigma variation

1.21631

Unit

Perihelion distance

Value

0.412938

1-sigma variation

Unit

Aphelion distance

Value

1.099017

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.043051

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.578137

1-sigma variation

Unit

MOID

Value

0.009493

1-sigma variation

Unit

Orbit Period

Value

240.0834

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.75740E-8	-7.10189E-8	-1.03384E-6	6.33427E-6	-8.14424E-6	-1.61243E-4
e	-7.10189E-8	2.87001E-7	4.17817E-6	-2.55974E-5	3.29117E-5	6.51604E-4
i	-1.03384E-6	4.17817E-6	6.08501E-5	-3.72604E-4	4.79071E-4	9.48559E-3
Ω	6.33427E-6	-2.55974E-5	-3.72604E-4	2.28312E-3	-2.93550E-3	-5.81174E-2
ω	-8.14424E-6	3.29117E-5	4.79071E-4	-2.93550E-3	3.77430E-3	7.47240E-2
M	-1.61243E-4	6.51604E-4	9.48559E-3	-5.81174E-2	7.47240E-2	1.47941E0

Date of computation: 2026-07-30 14:25 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

26.248

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

15 - 30*

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

2486

Unit

Source

[1]

Normalized RMS of residuals

Value

0.641926

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-10-09.41086

Unit

Source

[2]

Last Observation

Value

2019-10-13.47409

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

21 (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

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 2019TA7 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	1950-10-11 07:12	> 1 mo	0.0324697	0.0080744	0.2920996
EARTH	1952-10-15 04:31	> 1 d	0.1175945	0.0087839	0.3737099
MERCURY	1953-01-04 16:00	> 1 mo	0.0352550	0.0238957	0.3201254
MERCURY	1960-03-25 14:31	> 1 mo	0.0277814	0.0253298	0.0916873
VENUS	1965-05-06 09:36	> 1 d	0.0491634	0.0491529	0.0027878
MERCURY	1967-06-10 21:48	> 1 mo	0.0282494	0.0068445	0.0327277
EARTH	1967-08-18 15:30	> 1 d	0.0753080	0.0538305	0.0765116
VENUS	1968-03-09 12:02	> 1 d	0.0332911	0.0323206	0.0340430
EARTH	1969-09-02 06:48	> 1 w	0.0860712	0.0664083	0.0328058
EARTH	1971-10-02 07:23	> 1 w	0.0746855	0.0197012	0.0548885
EARTH	1973-10-15 17:30	> 1 d	0.0535634	0.0090030	0.1140991
MERCURY	1974-08-28 18:11	> 1 mo	0.0326788	0.0258174	0.0656277
VENUS	1978-01-12 21:20	> 1 d	0.0442262	0.0314556	0.0890249
EARTH	1988-08-17 21:12	651.8	0.1208039	0.0963470	0.0081582
EARTH	1990-08-24 11:13	> 1 d	0.0632154	0.0477925	0.0059994
EARTH	1992-09-19 18:10	> 1 w	0.0952559	0.0799064	0.0053323
EARTH	1994-10-13 12:16	> 1 d	0.0147335	0.0085739	0.0362230
EARTH	1996-10-15 04:01	1218.8	0.1263833	0.0109598	0.0497668
MERCURY	2003-08-01 06:24	> 1 d	0.0278987	0.0267517	0.0060807
VENUS	2004-02-07 12:41	1435.6	0.0494932	0.0494869	0.0002822
VENUS	2006-12-12 08:12	1159.3	0.0385202	0.0317123	0.0142216
EARTH	2011-08-19 16:05	425.3	0.1813820	0.1456213	0.0120676
EARTH	2013-08-18 12:37	362.0	0.0636773	0.0541341	0.0047531
EARTH	2015-09-01 17:11	> 1 d	0.0843748	0.0788447	0.0019418
EARTH	2017-09-26 16:26	951.3	0.0873883	0.0837741	0.0012087
EARTH	2019-10-14 22:51	< 1 min	0.0100552	0.0100109	0.0000148
MERCURY	2020-09-10 05:05	396.9	0.0439290	0.0355632	0.0029197
EARTH	2021-10-14 21:44	127.3	0.1575112	0.1467750	0.0035794
VENUS	2026-01-07 15:04	664.4	0.0479066	0.0304245	0.0124806
EARTH	2036-08-17 19:56	165.6	0.1077016	0.0569229	0.0211741
MERCURY	2037-10-03 05:48	> 1 d	0.0384141	0.0279488	0.0205467
EARTH	2038-08-24 21:13	> 1 d	0.0625955	0.0524366	0.0098154
EARTH	2040-09-18 13:50	> 1 d	0.0961238	0.0908228	0.0020882
EARTH	2042-10-12 10:35	> 1 d	0.0268875	0.0104245	0.0193893
EARTH	2044-10-15 15:20	387.2	0.1100011	0.0461310	0.0214701
MERCURY	2045-01-05 04:18	> 1 d	0.0334171	0.0255366	0.0157496
VENUS	2045-02-01 05:20	1237.4	0.0306932	0.0303278	0.0043215
MERCURY	2054-11-09 17:49	> 1 d	0.0364138	0.0274158	0.0169898
EARTH	2061-08-18 03:38	198.0	0.0792633	0.0509571	0.0152297
MERCURY	2062-02-13 05:19	> 1 d	0.0480396	0.0239790	0.0246420
EARTH	2063-08-28 10:58	> 1 d	0.0726382	0.0553720	0.0086576
EARTH	2065-09-21 08:40	> 1 d	0.0946546	0.0861314	0.0030550
EARTH	2067-10-12 19:52	> 1 d	0.0271369	0.0114669	0.0136143
EARTH	2069-10-16 04:55	234.1	0.0964037	0.0577108	0.0129689
VENUS	2073-05-20 15:38	221.7	0.0366740	0.0339255	0.0011429
MERCURY	2081-11-13 03:36	> 1 d	0.0441534	0.0247346	0.0269081
EARTH	2086-08-18 20:01	699.2	0.1452266	0.0579218	0.0352018
EARTH	2088-08-19 16:51	> 1 d	0.0510570	0.0506822	0.0043355
EARTH	2090-09-05 16:58	> 1 w	0.0902299	0.0670516	0.0120658
MERCURY	2091-09-29 05:30	> 1 d	0.0478331	0.0248144	0.0585989
EARTH	2092-09-29 05:40	> 1 w	0.0823135	0.0293721	0.0218065
EARTH	2094-10-15 04:08	> 1 d	0.0137885	0.0116142	0.0286894
EARTH	2096-10-15 01:52	> 1 d	0.1524099	0.0124516	0.0989103
MERCURY	2101-08-09 01:42	> 1 mo	0.0279698	0.0278226	0.0113191
VENUS	2101-09-08 04:39	> 1 d	0.0320465	0.0290266	0.1026350
MERCURY	2108-11-04 08:45	> 1 mo	0.0407521	0.0251080	0.4708883
EARTH	2111-08-20 00:12	> 1 d	0.1251783	0.0514093	0.5118125
EARTH	2113-08-23 10:23	> 1 mo	0.0524237	0.0488955	0.1686945
EARTH	2115-09-15 18:33	> 1 mo	0.0960220	0.0945874	0.0213353
EARTH	2117-10-10 06:44	> 1 mo	0.0480200	0.0140729	0.4835399
MERCURY	2118-09-06 06:40	> 1 mo	0.0429285	0.0298050	0.7163863
EARTH	2119-10-17 20:52	> 1 d	0.0838938	0.0140521	0.6835882
VENUS	2120-10-03 05:20	> 1 w	0.0479110	0.0292297	0.6898420
MERCURY	2125-12-05 18:41	> 1 mo	0.0284470	0.0281110	0.0365375

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
224.67523650	277.28120538	0.00949317	MINIMUM
139.91230234	223.58979048	0.05160375	MINIMUM
179.58167652	248.68230593	0.09645854	SADDLE
4.07812794	72.56676168	0.58165532	SADDLE
4.25858402	252.83525173	1.41850463	SADDLE
181.67531097	69.96075870	2.09295790	MAXIMUM

Download:

MOID Plots

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