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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08282619702375156 4.1658e-08  
a 2.676193293164677 1.4534e-08 au
q 2.454534380191376 1.0718e-07 au
i 10.94039529693318 4.5196e-06 deg
node 185.4178578168967 1.9574e-05 deg
peri 173.4403821801545 3.1529e-05 deg
M 44.43189041989845 2.3611e-05 deg
tp 2459003.136456298244
(2020-Jun-02.63645630)
0.000105 TDB
period 1599.09639363021
4.38
1.3027e-05
3.567e-08
d
yr
n .2251271414493915 1.834e-09 deg/d
Q 2.897852206137977 1.5738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      9037 days (24.74 yr)  
   first obs. used      1996-04-19  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48134  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:42:46  

Additional Information
 Earth MOID = 1.44992 au 
 Jupiter MOID = 2.48866 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 15.17   n/a E2021B10  
rotation period rot_per 6.284 h n/a LCDB (Rev. 2020-October); 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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