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344097 (1999 RJ252)
Classification: Main-belt Asteroid          SPK-ID: 2344097
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06648191343081127 8.7176e-08  
a 2.582243687346045 2.6155e-08 au
q 2.410571186066647 2.2111e-07 au
i 2.068868797554852 8.662e-06 deg
node 156.8971189884325 0.0002729 deg
peri 271.4323883666633 0.00028219 deg
M 298.1263180647106 7.3261e-05 deg
tp 2459260.993999166574
(2021-Feb-15.49399917)
0.00030975 TDB
period 1515.633735811042
4.15
2.3027e-05
6.304e-08
d
yr
n .2375244041446186 3.6087e-09 deg/d
Q 2.753916188625444 2.7894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      6793 days (18.60 yr)  
   first obs. used      1999-09-07  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60633  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:28:05  

Additional Information
 Earth MOID = 1.4256 au 
 Jupiter MOID = 2.41944 au 
 T_jup = 3.420 
[ 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 17.3   n/a MPO418775  

344097 (1999 RJ252)          Discovered 1999-Sep-07 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 1999 RJ252 = 2007 RW26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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