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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414144451287568 3.8729e-08  
a 2.696184870780594 1.7193e-08 au
q 2.314905383314608 1.0204e-07 au
i 12.82356473370796 5.1042e-06 deg
node 192.0774305804032 1.7504e-05 deg
peri 310.5345503383833 2.4573e-05 deg
M 212.8368103703614 1.8337e-05 deg
tp 2459661.527640114763
(2022-Mar-23.02764012)
8.4043e-05 TDB
period 1617.048061000898
4.43
1.5467e-05
4.235e-08
d
yr
n .2226278913300649 2.1294e-09 deg/d
Q 3.077464358246581 1.9624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      8644 days (23.67 yr)  
   first obs. used      1996-03-18  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58558  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:38:36  

Additional Information
 Earth MOID = 1.34701 au 
 Jupiter MOID = 1.99148 au 
 T_jup = 3.320 
[ 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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