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JPL Small-Body Database Browser
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48813 (1997 WJ1)
Classification:
Main-belt Asteroid
SPK-ID:
2048813
[
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 21
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1014808556788094
5.2332e-08
a
2.983739899032282
2.1662e-08
au
q
2.680947420955482
1.5735e-07
au
i
10.13148600483069
7.1305e-06
deg
node
14.96818490457522
2.8249e-05
deg
peri
29.73078329985272
4.22e-05
deg
M
45.53882915391153
3.1206e-05
deg
t
p
2458362.367194195504
(2018-Aug-31.86719420)
0.00016268
TDB
period
1882.521173301946
5.15
2.05e-05
5.613e-08
d
yr
n
.191232908880679
2.0825e-09
deg/d
Q
3.286532377109082
2.386e-08
au
Orbit Determination Parameters
# obs. used (total)
730
data-arc span
7762 days (21.25 yr)
first obs. used
1997-10-30
last obs. used
2019-01-30
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57941
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 02:48:00
Additional Information
Earth MOID
= 1.69349 au
Jupiter MOID
= 2.17666 au
T_jup
= 3.227
[ 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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Discovery Circumstances
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.5
n/a
MPO459185
diameter
diameter
4.249
km
1.281
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.224
0.192
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
48813 (1997 WJ1)
Discovered 1997-Nov-19 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference:
20021120/Numbers.arc
Last Updated:
2004-04-19
[
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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2019-Dec-16 08:10 UT
(server date/time)
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