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JPL Small-Body Database Browser
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173169 (1997 ED27)
Classification:
Main-belt Asteroid
SPK-ID:
2173169
[
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 12
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.08831044534776436
6.9363e-08
a
3.193892625842926
3.8649e-08
au
q
2.911838545661797
2.3512e-07
au
i
22.11371651307992
7.4663e-06
deg
node
145.4927987477908
1.6385e-05
deg
peri
345.4679236629136
4.0415e-05
deg
M
343.7875457218431
3.7953e-05
deg
t
p
2458694.391257989372
(2019-Jul-29.89125799)
0.00022043
TDB
period
2084.869588296311
5.71
3.7843e-05
1.036e-07
d
yr
n
.1726726707612348
3.1342e-09
deg/d
Q
3.475946706024056
4.2062e-08
au
Orbit Determination Parameters
# obs. used (total)
320
data-arc span
8043 days (22.02 yr)
first obs. used
1997-02-04
last obs. used
2019-02-12
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58542
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 06:18:59
Additional Information
Earth MOID
= 1.92936 au
Jupiter MOID
= 1.5613 au
T_jup
= 3.075
[ show covariance matrix ]
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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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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
14.6
n/a
MPO280922
diameter
diameter
7.589
km
0.142
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.028
0.007
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
173169 (1997 ED27)
Discovered 1997-Mar-05 by Spacewatch at Kitt Peak
Reference:
20080122/Numbers.arc
Last Updated:
2008-01-28
[ show close-approach data ]
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Orbit Diagram
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Orbital Elements
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Close-Approach Data
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2019-Dec-06 21:00 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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