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312305 (2008 CM54)
Classification: Main-belt Asteroid          SPK-ID: 2312305
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008056929538362 9.7832e-08  
a 2.566548732291514 6.162e-08 au
q 2.051171135603927 2.5133e-07 au
i 5.744268763435013 1.0567e-05 deg
node 181.2752444795609 0.00010726 deg
peri 57.97427382562408 0.00011551 deg
M 277.4369545265852 7.21e-05 deg
tp 2459344.933910641914
(2021-May-10.43391064)
0.00031085 TDB
period 1501.836652464759
4.11
5.4086e-05
1.481e-07
d
yr
n .2397064949834466 8.6327e-09 deg/d
Q 3.081926328979101 7.3994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      5355 days (14.66 yr)  
   first obs. used      2004-02-19  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7194  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:40:37  

Additional Information
 Earth MOID = 1.04631 au 
 Jupiter MOID = 1.94027 au 
 T_jup = 3.396 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO471270  

312305 (2008 CM54)          Discovered 2008-Feb-07 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
1941-Jan-05 17:16 00:07 Jupiter 1.91640706370667 1.9164062305702 1.91640789684576 1.99395350415049 1.75837460905146 2430000.219517156 6.64769766879305 440.479627788091 98.9118689417114 77.1632957975342 736949.794363844 T 10 CATAB v2.0e-lin.ifort 2018-Oct-31 04:40:38 2018-Dec-18 00:53
2035-Apr-03 21:29 00:02 Jupiter 1.99608483510671 1.99608376260285 1.9960859076108 2.49451499835865 2.31817195060075 2464421.395317333 2.28876379913534 173.468539855746 37.9801793402234 -87.0083360440829 936416.254405143 T 10 CATAB v2.0e-lin.ifort 2018-Oct-31 04:40:38 2018-Dec-18 00:53
2047-Nov-26 01:27 00:04 Jupiter 1.92427778612016 1.92427696141041 1.92427861083025 1.93450645845241 1.69173329964763 2469040.560196263 3.58619780707173 228.359768255159 106.963036113528 81.1677278047505 764454.401356032 T 10 CATAB v2.0e-lin.ifort 2018-Oct-31 04:40:38 2018-Dec-18 00:53
2142-Feb-22 11:45 00:13 Jupiter 1.98069462323007 1.98069045412584 1.98069879244463 2.4007640453783 2.21548860329726 2503461.989704466 12.5867496283951 839.959152460793 41.6061562614654 -87.7874565307171 841940.220582518 T 10 CATAB v2.0e-lin.ifort 2018-Oct-31 04:40:38 2018-Dec-18 00:53
2154-Oct-17 22:23 00:14 Jupiter 1.9346527098164 1.93465095829871 1.93465446141217 1.87093853914073 1.62011678338272 2508082.432573060 13.854096657264 757.515023945587 122.495452500876 69.7042161223556 731503.709999807 T 10 CATAB v2.0e-lin.ifort 2018-Oct-31 04:40:38 2018-Dec-18 00:53
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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