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JPL Small-Body Database Browser
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46982 (1998 SP161)
Classification: Main-belt Asteroid          SPK-ID: 2046982
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1404837471563876 3.8768e-08  
a 2.698499093704193 1.7719e-08 au
q 2.319403829322512 1.0244e-07 au
i 12.81933629398058 5.1842e-06 deg
node 192.124653792125 1.7575e-05 deg
peri 310.6225321529268 2.4899e-05 deg
M 123.6928416841739 1.8419e-05 deg
tp 2458044.180980493884
(2017-Oct-17.68098049)
8.2203e-05 TDB
period 1619.130454885704
4.43
1.5947e-05
4.366e-08
d
yr
n .2223415654456408 2.1899e-09 deg/d
Q 3.077594358085874 2.0208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      8151 days (22.32 yr)  
   first obs. used      1996-03-18  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:40:09  

Additional Information
 Earth MOID = 1.35182 au 
 Jupiter MOID = 1.99196 au 
 T_jup = 3.319 
[ 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 14.8   n/a MPO257186  

46982 (1998 SP161)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SP161 = 1996 FD20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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