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JPL Small-Body Database Browser
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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156199438143329 5.4263e-08  
a 2.217779362560705 8.747e-09 au
q 1.961359837268849 1.2244e-07 au
i 7.538036425402013 5.7195e-06 deg
node 337.1680688369151 3.7223e-05 deg
peri 74.16459083805211 4.4768e-05 deg
M 257.1320070415853 2.6244e-05 deg
tp 2459345.209854682043
(2021-May-10.70985468)
8.911e-05 TDB
period 1206.357236265922
3.30
7.1369e-06
1.954e-08
d
yr
n .298419066241373 1.7655e-09 deg/d
Q 2.474198887852561 9.7583e-09 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      7915 days (21.67 yr)  
   first obs. used      1997-09-27  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61773  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:26:50  

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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