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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06605037093415651 8.704e-08  
a 2.584527237333288 2.6708e-08 au
q 2.413818254617993 2.2042e-07 au
i 2.067735349440242 8.6565e-06 deg
node 156.9257741899853 0.0002731 deg
peri 270.661239935958 0.00028251 deg
M 203.9228478745028 7.3362e-05 deg
tp 2459258.471266194499
(2021-Feb-12.97126619)
0.00031251 TDB
period 1517.644655891462
4.16
2.3524e-05
6.441e-08
d
yr
n .2372096779061476 3.6769e-09 deg/d
Q 2.755236220048582 2.8472e-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 = 1.42842 au 
 Jupiter MOID = 2.42094 au 
 T_jup = 3.419 
[ 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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