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213610 (2002 PR121)
Classification: Main-belt Asteroid          SPK-ID: 2213610
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1681498350692757 3.1773e-08  
a 2.311546232553319 9.215e-09 au
q 1.922860114794473 7.3343e-08 au
i 4.76319304241801 4.7406e-06 deg
node 235.1074574904911 4.2945e-05 deg
peri 89.8301034304053 4.5086e-05 deg
M 80.91512504703013 1.4092e-05 deg
tp 2458911.977616133760
(2020-Mar-03.47761613)
4.9659e-05 TDB
period 1283.666782093897
3.51
7.676e-06
2.102e-08
d
yr
n .2804466120193386 1.677e-09 deg/d
Q 2.700232350312165 1.0764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      22024 days (60.30 yr)  
   first obs. used      1960-09-29  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:23  

Additional Information
 Earth MOID = .91624 au 
 Jupiter MOID = 2.62895 au 
 T_jup = 3.561 
[ 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 17.14   n/a MPCxxxxx  

213610 (2002 PR121)          Discovered 2002-Aug-13 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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