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JPL Small-Body Database Browser
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46938 (1998 SP71)
Classification: Main-belt Asteroid          SPK-ID: 2046938
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04969246126045015 4.5742e-08  
a 2.670406387760937 1.5509e-08 au
q 2.537707321787467 1.2825e-07 au
i 1.606370707495333 4.5209e-06 deg
node 106.1420982934922 0.00015717 deg
peri 308.4185063265451 0.00016651 deg
M 226.9604367772824 5.8342e-05 deg
tp 2459189.537268824012
(2020-Dec-06.03726882)
0.00026083 TDB
period 1593.912454610602
4.36
1.3886e-05
3.802e-08
d
yr
n .2258593305790745 1.9676e-09 deg/d
Q 2.803105453734406 1.628e-08 au
  Orbit Determination Parameters
   # obs. used (total)      886  
   data-arc span      7702 days (21.09 yr)  
   first obs. used      1998-09-21  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:29:38  

Additional Information
 Earth MOID = 1.54875 au 
 Jupiter MOID = 2.36288 au 
 T_jup = 3.379 
[ 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 15.0   n/a MPO347849  

46938 (1998 SP71)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SP71 = 2000 BJ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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