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19887 (1279 T-2)
Classification:
Main-belt Asteroid
SPK-ID:
2019887
[
Ephemeris
|
Orbit Diagram
|
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 29
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1663771623171277
3.2494e-08
a
2.236466669278788
5.242e-09
au
q
1.864369691227346
7.1758e-08
au
i
1.33102506751063
3.1332e-06
deg
node
173.3981806150576
0.0001315
deg
peri
214.1233107638799
0.0001318
deg
M
25.94003527276971
7.9712e-06
deg
t
p
2459112.474169015361
(2020-Sep-19.97416902)
2.7061e-05
TDB
period
1221.636702542788
3.34
4.2951e-06
1.176e-08
d
yr
n
.294686627579766
1.0361e-09
deg/d
Q
2.608563647330231
6.1142e-09
au
Orbit Determination Parameters
# obs. used (total)
1478
data-arc span
17310 days (47.39 yr)
first obs. used
1973-09-19
last obs. used
2021-02-09
planetary ephem.
DE441
SB-pert. ephem.
SB441-N16
condition code
0
norm. resid. RMS
.50663
source
ORB
producer
Otto Matic
solution date
2021-Apr-13 03:08:32
Additional Information
Earth MOID
= .867814 au
Jupiter MOID
= 2.83438 au
T_jup
= 3.619
[ show covariance matrix ]
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.59
n/a
E2021B10
19887 (1279 T-2)
Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20001211/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
1279 T-2
= 1993 QQ3
[
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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2021-Apr-22 22:00 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin
