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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1960747305762014 5.3244e-08  
a 2.293468177908852 6.8756e-09 au
q 1.843777022840282 1.2139e-07 au
i 26.89111117914906 5.4876e-06 deg
node 345.121053352242 7.9998e-06 deg
peri 205.7773053831433 1.1466e-05 deg
M 135.0824773451491 9.9114e-06 deg
tp 2458920.470331600507
(2020-Mar-11.97033160)
3.4051e-05 TDB
period 1268.637383558998
3.47
5.7049e-06
1.562e-08
d
yr
n .2837690301936922 1.2761e-09 deg/d
Q 2.743159332977422 8.2237e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1377  
   data-arc span      8215 days (22.49 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:48  

Additional Information
 Earth MOID = .867667 au 
 Jupiter MOID = 2.27658 au 
 T_jup = 3.430 
[ 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 14.57   n/a E2021B10  
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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