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91271 (1999 CB147)
Classification: Main-belt Asteroid          SPK-ID: 2091271
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156199469516384 3.9433e-08  
a 2.217779363037322 8.4605e-09 au
q 1.961359830732508 9.2054e-08 au
i 7.538025187987508 4.6741e-06 deg
node 337.1679786721045 2.5087e-05 deg
peri 74.16468124331774 3.4367e-05 deg
M 257.1320056302509 2.586e-05 deg
tp 2459345.209859522535
(2021-May-10.70985952)
8.7919e-05 TDB
period 1206.357236654804
3.30
6.9031e-06
1.89e-08
d
yr
n .2984190661451745 1.7076e-09 deg/d
Q 2.474198895342135 9.4387e-09 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      8424 days (23.06 yr)  
   first obs. used      1997-09-27  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:40:31  

Additional Information
 Earth MOID = .986811 au 
 Jupiter MOID = 2.84072 au 
 T_jup = 3.632 
[ 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 16.3   n/a MPO233920  

91271 (1999 CB147)          Discovered 1999-Feb-09 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 CB147 = 1997 SU33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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