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19894 (5124 T-2)
Classification:
Main-belt Asteroid
SPK-ID:
2019894
[
Ephemeris
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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 28
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1160658590630688
3.8893e-08
a
2.683319051631974
1.1007e-08
au
q
2.37187732076401
1.0145e-07
au
i
11.89168593734746
4.2381e-06
deg
node
236.5274238526001
1.6567e-05
deg
peri
323.9202190457059
2.3191e-05
deg
M
76.18522025384807
1.4952e-05
deg
t
p
2458860.737749386741
(2020-Jan-12.23774939)
6.6711e-05
TDB
period
1605.487387359691
4.40
9.8789e-06
2.705e-08
d
yr
n
.2242309736185714
1.3797e-09
deg/d
Q
2.994760782499938
1.2285e-08
au
Orbit Determination Parameters
# obs. used (total)
1599
data-arc span
17163 days (46.99 yr)
first obs. used
1973-09-20
last obs. used
2020-09-16
planetary ephem.
DE441
SB-pert. ephem.
SB441-N16
condition code
0
norm. resid. RMS
.46922
source
ORB
producer
Otto Matic
solution date
2021-Apr-13 03:08:37
Additional Information
Earth MOID
= 1.3767 au
Jupiter MOID
= 2.02209 au
T_jup
= 3.335
[ show covariance matrix ]
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.97
n/a
E2021B10
diameter
diameter
5.292
km
0.085
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.132
0.020
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
19894 (5124 T-2)
Discovered 1973-Sep-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20001211/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
5124 T-2
= 1976 JT7 = 1998 KR21
[
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Orbit Diagram
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Orbital Elements
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2021-Apr-18 13:14 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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