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91247 (1999 CM40)
Classification: Main-belt Asteroid          SPK-ID: 2091247
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287987683164898 3.637e-08  
a 2.220203250261394 7.8398e-09 au
q 1.934243806215459 7.9755e-08 au
i 6.442425284421322 5.1529e-06 deg
node 46.99810965291964 3.6724e-05 deg
peri 84.41067924659448 4.2771e-05 deg
M 168.0836966523159 2.2277e-05 deg
tp 2458436.329182194078
(2018-Nov-13.82918219)
7.3977e-05 TDB
period 1208.33548080663
3.31
6.4002e-06
1.752e-08
d
yr
n .2979305049949211 1.578e-09 deg/d
Q 2.506162694307328 8.8496e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1075  
   data-arc span      8867 days (24.28 yr)  
   first obs. used      1996-04-19  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52279  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:16:37  

Additional Information
 Earth MOID = .961359 au 
 Jupiter MOID = 2.54429 au 
 T_jup = 3.631 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO474791  
rotation period rot_per 11.64 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]

91247 (1999 CM40)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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