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277305 (2005 SJ152)
Classification: Main-belt Asteroid          SPK-ID: 2277305
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029347720471577 7.0326e-08  
a 2.39909196531803 1.8339e-08 au
q 1.912232784216048 1.7415e-07 au
i 3.218631256302753 5.986e-06 deg
node 134.0222800453547 0.00012889 deg
peri 229.9468658178599 0.00012996 deg
M 352.7521735785318 2.0446e-05 deg
tp 2459027.825873552572
(2020-Jun-27.32587355)
7.7302e-05 TDB
period 1357.277879860327
3.72
1.5563e-05
4.261e-08
d
yr
n .2652367693762506 3.0413e-09 deg/d
Q 2.885951146420012 2.2061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      6515 days (17.84 yr)  
   first obs. used      2001-08-27  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:11:11  

Additional Information
 Earth MOID = .911803 au 
 Jupiter MOID = 2.57216 au 
 T_jup = 3.497 
[ 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 17.4   n/a MPO476188  

277305 (2005 SJ152)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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