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186431 (2002 RG98)
Classification: Main-belt Asteroid          SPK-ID: 2186431
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1922941019445382 3.6333e-08  
a 2.343033712453721 6.5049e-09 au
q 1.892482148891655 8.5947e-08 au
i 6.363665216222214 3.4049e-06 deg
node 175.6200272362174 3.1482e-05 deg
peri 241.0962008791656 3.2691e-05 deg
M 359.12913132618 7.4684e-06 deg
tp 2459203.668957399635
(2020-Dec-20.16895740)
2.7176e-05 TDB
period 1309.984729229774
3.59
5.4553e-06
1.494e-08
d
yr
n .2748123638140939 1.1444e-09 deg/d
Q 2.793585276015786 7.7557e-09 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      2002-09-05  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49711  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:14  

Additional Information
 Earth MOID = .912668 au 
 Jupiter MOID = 2.58145 au 
 T_jup = 3.530 
[ 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 16.53   n/a E2021B55  

186431 (2002 RG98)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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