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233708 (2008 SB91)
Classification: Main-belt Asteroid          SPK-ID: 2233708
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0697079739991084 5.0628e-08  
a 2.544378437728209 2.4863e-08 au
q 2.367014971747159 1.4011e-07 au
i 4.154542657637521 5.1127e-06 deg
node 355.8730866917446 7.4159e-05 deg
peri 282.32929185131 8.4762e-05 deg
M 45.64326567270196 4.1086e-05 deg
tp 2458812.548759910629
(2019-Nov-25.04875991)
0.0001691 TDB
period 1482.419047694051
4.06
2.1729e-05
5.949e-08
d
yr
n .2428463129639297 3.5595e-09 deg/d
Q 2.72174190370926 2.6596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      6857 days (18.77 yr)  
   first obs. used      2000-09-24  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54534  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:23:16  

Additional Information
 Earth MOID = 1.35501 au 
 Jupiter MOID = 2.36126 au 
 T_jup = 3.437 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO437098  

233708 (2008 SB91)          Discovered 2008-Sep-21 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 SB91 = 2002 CM290 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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