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19901 (2191 T-3)
Classification:
Main-belt Asteroid
SPK-ID:
2019901
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
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Close-Approach Data
]
[ 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
.109062522712258
3.5558e-08
a
2.75155789610838
1.3114e-08
au
q
2.451466050569967
9.8574e-08
au
i
3.943243751513505
4.951e-06
deg
node
342.5383773183841
5.457e-05
deg
peri
115.8387147777296
6.0993e-05
deg
M
95.40672438502483
2.4286e-05
deg
t
p
2458758.682519742259
(2019-Oct-02.18251974)
0.00011285
TDB
period
1667.118265699018
4.56
1.1918e-05
3.263e-08
d
yr
n
.2159414886196169
1.5438e-09
deg/d
Q
3.051649741646793
1.4544e-08
au
Orbit Determination Parameters
# obs. used (total)
871
data-arc span
15585 days (42.67 yr)
first obs. used
1977-10-07
last obs. used
2020-06-08
planetary ephem.
DE441
SB-pert. ephem.
SB441-N16
condition code
0
norm. resid. RMS
.53308
source
ORB
producer
Otto Matic
solution date
2021-Apr-13 03:08:41
Additional Information
Earth MOID
= 1.47127 au
Jupiter MOID
= 2.08295 au
T_jup
= 3.333
[ show covariance matrix ]
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Orbital Elements
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.33
n/a
E2021B10
diameter
diameter
4.620
km
0.260
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.043
0.008
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
19901 (2191 T-3)
Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20001211/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
2191 T-3
= 1995 SV11
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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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Close-Approach Data
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2021-Apr-18 00:26 UT
(server date/time)
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Ryan S. Park
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