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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 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 34
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1148937629410431
3.9793e-08
a
3.057221576447825
1.9203e-08
au
q
2.705965885385186
1.1717e-07
au
i
10.03735378572894
3.6509e-06
deg
node
259.3972650004141
2.5695e-05
deg
peri
325.540103173655
3.1056e-05
deg
M
133.658950190131
1.9138e-05
deg
t
p
2458275.589574468081
(2018-Jun-06.08957447)
0.00010234
TDB
period
1952.489921701928
5.35
1.8396e-05
5.037e-08
d
yr
n
.1843799530018566
1.7372e-09
deg/d
Q
3.408477267510464
2.141e-08
au
Orbit Determination Parameters
# obs. used (total)
1689
data-arc span
15746 days (43.11 yr)
first obs. used
1977-10-07
last obs. used
2020-11-16
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.47589
source
ORB
producer
Otto Matic
solution date
2020-Dec-18 03:15:16
Additional Information
Earth MOID
= 1.70266 au
Jupiter MOID
= 1.65124 au
T_jup
= 3.202
[ show covariance matrix ]
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Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Close-Approach Data
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.4
n/a
MPO449105
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-Jan-26 03:58 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin