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392740 (2012 SS27)
Classification: Main-belt Asteroid          SPK-ID: 2392740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520888452334847 6.1705e-08  
a 2.636478672435335 4.0568e-08 au
q 2.235499675661934 1.586e-07 au
i 12.96027194791422 7.0596e-06 deg
node 4.556345870173521 2.9545e-05 deg
peri 15.65612694461683 3.8778e-05 deg
M 275.6411125243197 2.9167e-05 deg
tp 2459366.906495013624
(2021-Jun-01.40649501)
0.00013209 TDB
period 1563.63297516141
4.28
3.609e-05
9.881e-08
d
yr
n .2302330570656059 5.3139e-09 deg/d
Q 3.037457669208736 4.6738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      4822 days (13.20 yr)  
   first obs. used      2006-02-24  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5789  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:55:41  

Additional Information
 Earth MOID = 1.23954 au 
 Jupiter MOID = 2.44021 au 
 T_jup = 3.345 
[ 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 16.7   n/a MPO437608  

392740 (2012 SS27)          Discovered 2006-Feb-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2162-May-17 01:58 00:08 Juno 0.0496033908847527 0.049473990404716 0.0497329452844859 9.69726844254274 9.69726841725062 2510850.582069639 7.56996651952613 7788.56742689249 154.638044320395 -34.0285018278836 26859.9876224046 T 10 CATAB v2.0e-lin.ifort 2019-May-30 09:55:43 2019-May-30 09:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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