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JPL Small-Body Database Browser
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52054 (2002 PB121)
Classification: Main-belt Asteroid          SPK-ID: 2052054
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0827894264600135 4.5633e-08  
a 2.675954743436975 2.0608e-08 au
q 2.454413984994876 1.2257e-07 au
i 10.94077276120359 5.0732e-06 deg
node 185.418649718383 2.3919e-05 deg
peri 173.3469918807358 3.6316e-05 deg
M 359.4843612308596 2.9171e-05 deg
tp 2459002.790127361246
(2020-Jun-02.29012736)
0.00012957 TDB
period 1598.88258872153
4.38
1.847e-05
5.057e-08
d
yr
n .2251572457786639 2.601e-09 deg/d
Q 2.897495501879075 2.2314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      8037 days (22.00 yr)  
   first obs. used      1996-04-19  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52396  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:22:03  

Additional Information
 Earth MOID = 1.45143 au 
 Jupiter MOID = 2.48978 au 
 T_jup = 3.348 
[ 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 15.1   n/a MPO439445  
rotation period rot_per 6.284 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

52054 (2002 PB121)          Discovered 2002-Aug-13 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 PB121 = 1998 SO141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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