Asteroids

136795 Tatsunokingo help

Last update: 2024-05-09 16:35 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.912

Aphelion (Q)

2.583

Eccentricity (e)

0.478

Inclination (i)

11.0

deg

Orbit period (P)

843.8

Earth MOID

0.03535

U parameter

0.0

Next Earth close approach

Date

2050-05-31

Nominal distance (from Earth center)

0.1084

16216766

Maximum Brightness

16.3

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

18.1

mag

Diameter

800

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

1997-01-16

Observatory

Tokyo-Kiso

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.747600

1-sigma variation

3.530E-9

Unit

Eccentricity (e)

Value

0.478121

1-sigma variation

2.797E-8

Unit

Inclination (i)

Value

10.9927

1-sigma variation

5.841E-6

Unit

Long. of Ascending Node (Ω)

Value

50.1363

1-sigma variation

1.858E-5

Unit

Arg. of Perihelion (ω)

Value

147.5367

1-sigma variation

1.839E-5

Unit

Mean Anomaly (M)

Value

255.43496

1-sigma variation

1.872E-6

Unit

Perihelion distance

Value

0.912036

1-sigma variation

Unit

Aphelion distance

Value

2.583165

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.271019

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.049483

1-sigma variation

Unit

MOID

Value

0.035346

1-sigma variation

Unit

Orbit Period

Value

843.8429

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.24593E-17	-7.60777E-17	-2.21603E-15	2.74327E-14	-3.48322E-14	-4.48724E-15
e	-7.60777E-17	7.82405E-16	-9.77573E-15	4.37228E-14	-1.20493E-14	2.98189E-14
i	-2.21603E-15	-9.77573E-15	3.41217E-11	-3.54640E-12	4.62644E-12	8.71873E-13
Ω	2.74327E-14	4.37228E-14	-3.54640E-12	3.45134E-10	-3.29330E-10	-2.12860E-11
ω	-3.48322E-14	-1.20493E-14	4.62644E-12	-3.29330E-10	3.38181E-10	1.77874E-11
M	-4.48724E-15	2.98189E-14	8.71873E-13	-2.12860E-11	1.77874E-11	3.50338E-12

Date of computation: 2024-04-23 10:08 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

[8]

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

[1]

[2]

Taxonomy (all)

Value

Unit

Source

[3]

[4]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

18.136

Unit

mag

Source

[5]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[5]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

medium high

Unit

Source

[6]

Diameter

Value

800

Unit

Source

[6]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Visual S

Unit

Source

[7]

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Sources

No.	Name	Additional
[1]	EARN	1.) Bus, S.J. & Binzel, R.P. (2002) Icarus 158,106-145. (Phase II of the Small Main-Belt Asteroid Spectrographic Survey: A Feature-Based Taxonomy.)
[2]	EARN	1.) Alexey V. Sergeyev and Benoit Carry A&A, 652 (2021) A59
[3]	EARN	1.) Bus, S.J. & Binzel, R.P. (2002) Icarus 158,106-145. (Phase II of the Small Main-Belt Asteroid Spectrographic Survey: A Feature-Based Taxonomy.) 2.) Binzel, R.P. et al. (2004) Icarus 170, 259-294. (Observed spectral properties of near-Earth objects: results for population distribution, source regions, and space weathering processes.) 3.) Whiteley, R.J. (2001) PhD. Thesis, University of Hawaii. (A Compositional and Dynamical Survey of the Near-Earth Asteroids)
[4]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[5]	ESA ODIM	ESA orbit determination and impact monitoring system
[6]	EARN	1.) Binzel, R.P. et al. (2002) in "Asteroids III" (Eds. W.F.Bottke et al.), Univ.Ariz.Press, Tucson, USA, pp. 255-271. (Physical Properties of NEOs)
[7]	EARN	1.) Binzel, R.P. et al. (2004) Icarus 170, 259-294. (Observed spectral properties of near-Earth objects: results for population distribution, source regions, and space weathering processes.) 2.) Bus, S.J. & Binzel, R.P. (2002) Icarus 158,106-145. (Phase II of the Small Main-Belt Asteroid Spectrographic Survey: A Feature-Based Taxonomy.)
[8]	EARN	1.) Harris(JPL), A.W. unpublished data

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

9787

Unit

Source

[1]

Unobserved

Value

188

Unit

Source

[1]

Normalized RMS of residuals

Value

0.608189

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1997-01-16.62597

Unit

Source

[2]

Last Observation

Value

2023-11-03.355628

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

431 (5)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

2020-05-13

Unit

Source

[3]

Last Observation

Value

2020-05-13

Unit

Source

[3]

Delay (Discarded)

Value

1 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

2 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 136795 Tatsunokingo from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1960-06-01 20:50	< 1 min	0.1290554	0.1290551	0.0000001
EARTH	1967-03-12 08:56	< 1 min	0.1696638	0.1696636	0.0000001
EARTH	1990-05-31 08:39	< 1 min	0.1042077	0.1042073	0.0000002
EARTH	1997-03-01 13:42	< 1 min	0.1819090	0.1819088	0.0000001
EARTH	2020-05-21 21:44	< 1 s	0.0411547	0.0411545	0.0000001
EARTH	2050-05-31 21:51	< 1 min	0.1084024	0.1084007	0.0000006
EARTH	2057-03-12 01:32	< 1 min	0.1692369	0.1692364	0.0000002
EARTH	2087-04-06 16:28	< 1 min	0.1405659	0.1405650	0.0000003
EARTH	2117-05-08 04:19	< 1 min	0.0694284	0.0694274	0.0000003

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