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JPL Small-Body Database Browser
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136987 (1998 SV20)
Classification: Main-belt Asteroid          SPK-ID: 2136987
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09587836560278597 6.9491e-08  
a 2.558154524122609 1.6347e-08 au
q 2.31288284939036 1.8407e-07 au
i 3.755941414722048 6.4063e-06 deg
node 194.8902333218066 9.2532e-05 deg
peri 181.0672614219434 9.8878e-05 deg
M 4.526042699032085 3.9341e-05 deg
tp 2458581.710953798199
(2019-Apr-08.21095380)
0.00016322 TDB
period 1494.474772430895
4.09
1.4324e-05
3.922e-08
d
yr
n .2408873047849635 2.3089e-09 deg/d
Q 2.803426198854857 1.7914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      8709 days (23.84 yr)  
   first obs. used      1994-10-07  
   last obs. used      2018-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57356  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:39:59  

Additional Information
 Earth MOID = 1.31312 au 
 Jupiter MOID = 2.64398 au 
 T_jup = 3.427 
[ 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 16.6   n/a MPO412867  

136987 (1998 SV20)          Discovered 1998-Sep-21 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 SV20 = 2002 RM158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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