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JPL Small-Body Database Browser
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294739 (2008 CM)
Classification:
Apollo
[
NEO, PHA
]
SPK-ID:
2294739
[
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 281
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.4081126107951214
1.5971e-08
a
1.566140068602404
4.9852e-09
au
q
.9269785563342261
2.5591e-08
au
i
36.01348143015249
3.6579e-06
deg
node
279.5626244410944
5.7914e-07
deg
peri
130.6762776927459
4.6321e-06
deg
M
270.9062917566191
3.7035e-06
deg
t
p
2458777.669460534169
(2019-Oct-21.16946053)
8.1431e-06
TDB
period
715.8867562013218
1.96
3.4181e-06
9.358e-09
d
yr
n
.5028728313263569
2.401e-09
deg/d
Q
2.205301580870581
7.0197e-09
au
Orbit Determination Parameters
# obs. used (total)
1325
# delay obs. used
7
# Doppler obs. used
1
data-arc span
4330 days (11.85 yr)
first obs. used
2008-02-02
last obs. used
2019-12-11
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.35693
source
ORB
producer
Otto Matic
solution date
2019-Dec-12 04:59:20
Additional Information
Earth MOID
= .0443064 au
Jupiter MOID
= 3.31677 au
T_jup
= 4.133
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
17.1
n/a
MPO437318
diameter
diameter
0.740
km
0.236
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)
rotation period
rot_per
3.054
h
n/a
LCDB (Rev. 2019-January); Warner et al., 2009
Published Reference List:
[Warner, B.D. (2014) Minor Planet Bull. 41, 157-168.]
[Benishek, V. (2016) Minor Planet Bull. 43, 186-188.]
[Warner, B.D. (2016) Minor Planet Bull. 43, 143-154.]
geometric albedo
albedo
0.425
0.315
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)
294739 (2008 CM)
Discovered 2008-Feb-02 by CSS at Catalina
Reference:
20110912/Numbers.arc
Last Updated:
2011-09-14
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 11:16 UT
(server date/time)
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