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JPL Small-Body Database Browser
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136974 (1998 RO50)
Classification: Main-belt Asteroid          SPK-ID: 2136974
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1946857363699701 4.6625e-08  
a 2.378910190237576 1.2851e-08 au
q 1.915770308093148 1.1098e-07 au
i 1.549415309445799 5.1593e-06 deg
node 25.48018090793971 0.00018586 deg
peri .9114801688895048 0.00018636 deg
M 201.4833562635018 1.7298e-05 deg
tp 2459190.616644867512
(2020-Dec-07.11664487)
6.7475e-05 TDB
period 1340.187296076279
3.67
1.0859e-05
2.973e-08
d
yr
n .2686191706591956 2.1766e-09 deg/d
Q 2.842050072382004 1.5353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      9517 days (26.06 yr)  
   first obs. used      1993-04-18  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62102  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:13:34  

Additional Information
 Earth MOID = .919345 au 
 Jupiter MOID = 2.60638 au 
 T_jup = 3.513 
[ 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 16.4   n/a MPO436676  

136974 (1998 RO50)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1998 RO50 = 2002 YN16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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