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JPL Small-Body Database Browser
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146561 (2001 TC4)
Classification:
Main-belt Asteroid
SPK-ID:
2146561
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 16
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1716310059161323
5.2049e-08
a
2.659976529119912
1.3618e-08
au
q
2.203442081713759
1.42e-07
au
i
2.365098558188062
4.7441e-06
deg
node
242.1591595198621
0.00012733
deg
peri
132.00386150672
0.00012796
deg
M
22.60484253178711
1.2446e-05
deg
t
p
2458501.002053186919
(2019-Jan-17.50205319)
5.452e-05
TDB
period
1584.583515781618
4.34
1.2169e-05
3.332e-08
d
yr
n
.2271890351089667
1.7447e-09
deg/d
Q
3.116510976526064
1.5956e-08
au
Orbit Determination Parameters
# obs. used (total)
463
data-arc span
9421 days (25.79 yr)
first obs. used
1994-01-10
last obs. used
2019-10-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.55989
source
ORB
producer
Otto Matic
solution date
2019-Nov-07 17:05:21
Additional Information
Earth MOID
= 1.20435 au
Jupiter MOID
= 2.3531 au
T_jup
= 3.364
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.1
n/a
MPO453931
146561 (2001 TC4)
Discovered 2001-Oct-07 by NEAT at Palomar
Reference:
20070106/Numbers.arc
Last Updated:
2007-01-09
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-13 06:00 UT
(server date/time)
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