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JPL Small-Body Database Browser
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27746 (1990 WE3)
Classification:
Main-belt Asteroid
SPK-ID:
2027746
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 24
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.180194564240538
5.4331e-08
a
2.450830810424911
1.1007e-08
au
q
2.00920442051311
1.3027e-07
au
i
2.979572033222468
4.8991e-06
deg
node
153.7921488207764
8.2114e-05
deg
peri
223.8099258603422
8.2803e-05
deg
M
174.5946408156792
1.259e-05
deg
t
p
2457920.831985822323
(2017-Jun-16.33198582)
4.6726e-05
TDB
period
1401.420364112291
3.84
9.4407e-06
2.585e-08
d
yr
n
.2568822383482609
1.7305e-09
deg/d
Q
2.892457200336712
1.299e-08
au
Orbit Determination Parameters
# obs. used (total)
1050
data-arc span
11906 days (32.60 yr)
first obs. used
1986-10-01
last obs. used
2019-05-07
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57566
source
ORB
producer
Otto Matic
solution date
2019-May-30 03:28:49
Additional Information
Earth MOID
= 1.01129 au
Jupiter MOID
= 2.56645 au
T_jup
= 3.471
[ show covariance matrix ]
[
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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Discovery Circumstances
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.3
n/a
MPO319428
diameter
diameter
4.941
km
1.172
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)
geometric albedo
albedo
0.055
0.027
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)
27746 (1990 WE3)
Discovered 1990-Nov-18 by Elst, E. W. at La Silla
Reference:
20010902/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
1990 WE3
= 1986 TM5 = 2000 HZ66
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2019-Dec-11 20:51 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin