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91237 (1999 CY7)
Classification: Main-belt Asteroid          SPK-ID: 2091237
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955756552967247 5.5199e-08  
a 2.292693180338174 6.9418e-09 au
q 1.844298209199204 1.2576e-07 au
i 26.87710552456963 5.8288e-06 deg
node 345.1458906893923 8.514e-06 deg
peri 205.622409432456 1.2146e-05 deg
M 22.87698575380963 9.9086e-06 deg
tp 2458919.922528248314
(2020-Mar-11.42252825)
3.4768e-05 TDB
period 1267.994400257756
3.47
5.7588e-06
1.577e-08
d
yr
n .2839129257406971 1.2894e-09 deg/d
Q 2.741088151477145 8.2995e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1315  
   data-arc span      7798 days (21.35 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:38:34  

Additional Information
 Earth MOID = .867162 au 
 Jupiter MOID = 2.27958 au 
 T_jup = 3.431 
[ 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 14.5   n/a MPO459426  
diameter diameter 3.401 km 0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.291   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91237 (1999 CY7)          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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