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20954 (1158 T-3)
Classification:
Main-belt Asteroid
SPK-ID:
2020954
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 37
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1147016413170795
3.9743e-08
a
3.057636364762234
1.8994e-08
au
q
2.706920455173217
1.171e-07
au
i
10.03698259259281
3.6074e-06
deg
node
259.4006137162441
2.4992e-05
deg
peri
325.5156767343877
3.0251e-05
deg
M
170.5673171781532
1.9002e-05
deg
t
p
2458275.225705585293
(2018-Jun-05.72570559)
0.00010091
TDB
period
1952.887291071016
5.35
1.8197e-05
4.982e-08
d
yr
n
.184342435759601
1.7177e-09
deg/d
Q
3.408352274351251
2.1173e-08
au
Orbit Determination Parameters
# obs. used (total)
1778
data-arc span
15857 days (43.41 yr)
first obs. used
1977-10-07
last obs. used
2021-03-07
planetary ephem.
DE441
SB-pert. ephem.
SB441-N16
condition code
0
norm. resid. RMS
.46767
source
ORB
producer
Otto Matic
solution date
2021-Apr-13 03:35:14
Additional Information
Earth MOID
= 1.70238 au
Jupiter MOID
= 1.6503 au
T_jup
= 3.201
[ show covariance matrix ]
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Ephemeris
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Orbit Diagram
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Orbital Elements
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Close-Approach Data
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.43
n/a
E2021B10
20954 (1158 T-3)
Discovered 1977-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20010109/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1158 T-3
= 1998 QJ86
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Apr-18 21:46 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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