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JPL Small-Body Database Browser
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312824 (2011 SN123)
Classification: Outer Main-belt Asteroid          SPK-ID: 2312824
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436402014089504 6.4276e-08  
a 3.215846635696303 3.8156e-08 au
q 2.753921777244591 2.1155e-07 au
i 5.74466202591844 7.0297e-06 deg
node 28.00108159365297 7.4269e-05 deg
peri 78.76056510234028 7.9697e-05 deg
M 37.56446723031059 2.7481e-05 deg
tp 2458380.705837778751
(2018-Sep-19.20583778)
0.00015985 TDB
period 2106.402785231123
5.77
3.7488e-05
1.026e-07
d
yr
n .1709074838507201 3.0417e-09 deg/d
Q 3.677771494148016 4.3636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      6674 days (18.27 yr)  
   first obs. used      2000-11-30  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54294  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:20:15  

Additional Information
 Earth MOID = 1.77831 au 
 Jupiter MOID = 1.49999 au 
 T_jup = 3.166 
[ 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 15.5   n/a MPO434005  

312824 (2011 SN123)          Discovered 2002-Mar-11 by NEAT at Palomar
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 SN123 = 2002 EJ121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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