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JPL Small-Body Database Browser
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305439 (2008 CH186)
Classification:
Main-belt Asteroid
SPK-ID:
2305439
[
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 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2687378564663868
6.7879e-08
a
2.703651948516443
3.295e-08
au
q
1.977078319240964
1.8451e-07
au
i
11.11622161607214
9.4413e-06
deg
node
207.1648939652561
3.8842e-05
deg
peri
279.9723443797606
4.3329e-05
deg
M
192.5021585997834
1.5075e-05
deg
t
p
2459355.994512705447
(2021-May-21.49451271)
7.0728e-05
TDB
period
1623.770326234241
4.45
2.9684e-05
8.127e-08
d
yr
n
.2217062315918115
4.053e-09
deg/d
Q
3.430225577791921
4.1805e-08
au
Orbit Determination Parameters
# obs. used (total)
201
data-arc span
4717 days (12.91 yr)
first obs. used
2004-04-24
last obs. used
2017-03-24
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.55
source
ORB
producer
Otto Matic
solution date
2017-Apr-10 13:24:11
Additional Information
Earth MOID
= 1.0272 au
Jupiter MOID
= 1.82975 au
T_jup
= 3.287
[ 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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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.6
n/a
MPO411169
305439 (2008 CH186)
Discovered 2008-Feb-02 by CSS at Catalina
Reference:
20111110/Numbers.arc
Last Updated:
2011-11-14
[ hide close-approach data ]
Close-Approach Data
...sorted by
Date/Time (TDB)
Date/Time (TDB)
Time Uncertainty
(days_HH:MM)
Body
Nominal Distance (au)
Minimum Distance (au)
Maximum Distance (au)
V-relative (km/s)
V-infinity (km/s)
JD (TDB)
Time Uncertainty (minutes)
Semi-major axis (km)
Semi-minor axis (km)
range-LOV angle (deg)
N-sigma
BP
Orbit Ref.
Reference
Modified
1925-Jun-24 10:17
04:54
Jupiter
1.99606230677467
1.9960598513714
1.99606478635793
1.25521869905422
0.852572882161004
2424325.928636961
294.43159734006
15993.1066297025
397.162398277363
69.82017202563
1182415.98427668
T
9
CATAB v2.0e-lin.ifort 2017-Nov-25 05:20:56
2018-Dec-18 00:44
1961-Jan-28 00:28
03:27
Jupiter
1.9911340710193
1.99113240990333
1.99113574376345
1.19068557731642
0.752952912460628
2437327.519336031
206.852289318257
13420.2629992166
547.27640458116
68.4912071449115
1170177.52983342
T
9
CATAB v2.0e-lin.ifort 2017-Nov-25 05:20:56
2018-Dec-18 00:44
Alternate Designations
2008 CH186
= 2004 HK51
[
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
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2019-Dec-08 05:43 UT
(server date/time)
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