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JPL Small-Body Database Browser
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4842 Atsushi (1989 WK)
Classification:
Main-belt Asteroid
SPK-ID:
2004842
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 25
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1567995016146411
2.7542e-08
a
2.250779443490108
5.9516e-09
au
q
1.89785834850638
6.154e-08
au
i
2.468765535782565
3.5122e-06
deg
node
225.4695266927604
7.4441e-05
deg
peri
77.85933808787033
7.5344e-05
deg
M
.3408229800112473
1.1634e-05
deg
t
p
2458599.332319021520
(2019-Apr-25.83231902)
3.9858e-05
TDB
period
1233.382655825622
3.38
4.8921e-06
1.339e-08
d
yr
n
.2918802192487596
1.1577e-09
deg/d
Q
2.603700538473837
6.8848e-09
au
Orbit Determination Parameters
# obs. used (total)
2210
data-arc span
26013 days (71.22 yr)
first obs. used
1948-09-07
last obs. used
2019-11-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.48026
source
ORB
producer
Otto Matic
solution date
2019-Dec-03 21:08:30
Additional Information
Earth MOID
= .883685 au
Jupiter MOID
= 2.60862 au
T_jup
= 3.610
[ 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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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.5
n/a
MPO337293
diameter
diameter
4.596
km
0.087
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.400
0.055
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
4842 Atsushi (1989 WK)
Discovered 1989-Nov-21 by Ueda and Kaneda at Kushiro
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
[ show close-approach data ]
Alternate Designations
1989 WK
= 1948 RE = 1962 XF1 = 1979 YF5 = 1985 OG
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-08 19:13 UT
(server date/time)
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