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JPL Small-Body Database Browser
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49162 (1998 SO56)
Classification: Main-belt Asteroid          SPK-ID: 2049162
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210171281676711 5.2018e-08  
a 2.383069400530874 1.1908e-08 au
q 1.882216650296749 1.2474e-07 au
i 2.693613566874865 5.8827e-06 deg
node 10.4418183554814 9.1107e-05 deg
peri 312.0986344348398 9.2328e-05 deg
M 348.4327816466864 2.1281e-05 deg
tp 2459043.674756332267
(2020-Jul-13.17475633)
7.9654e-05 TDB
period 1343.70354262083
3.68
1.0071e-05
2.757e-08
d
yr
n .2679162393944702 2.0081e-09 deg/d
Q 2.883922150764999 1.441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      8093 days (22.16 yr)  
   first obs. used      1997-03-04  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58179  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:49:23  

Additional Information
 Earth MOID = .871174 au 
 Jupiter MOID = 2.4441 au 
 T_jup = 3.505 
[ 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 15.5   n/a MPO474371  

49162 (1998 SO56)          Discovered 1998-Sep-16 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SO56 = 1997 EV26 = 1997 GG30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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