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20937 (1005 T-2)
Classification:
Main-belt Asteroid
SPK-ID:
2020937
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
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[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 31
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.0931122767046146
4.0455e-08
a
3.030729793798143
1.5655e-08
au
q
2.74853164262109
1.3098e-07
au
i
2.19715004199389
3.0998e-06
deg
node
207.0530087301135
0.00010136
deg
peri
166.317166789538
0.0001033
deg
M
332.343139364056
2.0477e-05
deg
t
p
2459348.553826007540
(2021-May-14.05382601)
0.00010991
TDB
period
1927.166574121012
5.28
1.4932e-05
4.088e-08
d
yr
n
.1868027418253647
1.4474e-09
deg/d
Q
3.312927944975195
1.7113e-08
au
Orbit Determination Parameters
# obs. used (total)
1752
data-arc span
17283 days (47.32 yr)
first obs. used
1973-09-19
last obs. used
2021-01-13
planetary ephem.
DE441
SB-pert. ephem.
SB441-N16
condition code
0
norm. resid. RMS
.53223
source
ORB
producer
Otto Matic
solution date
2021-Apr-13 03:35:01
Additional Information
Earth MOID
= 1.74754 au
Jupiter MOID
= 2.15398 au
T_jup
= 3.235
[ show covariance matrix ]
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.87
n/a
E2021B10
diameter
diameter
4.214
km
0.177
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.361
0.063
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
20937 (1005 T-2)
Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20010109/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
1005 T-2
= 1998 KA30
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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2021-Apr-14 15:30 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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