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JPL Small-Body Database Browser
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52138 (6131 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2052138
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .259160375877644 3.9305e-08  
a 2.588759718661158 9.8379e-09 au
q 1.917855776916029 9.9253e-08 au
i 3.607689549696207 4.1946e-06 deg
node 205.5914078390448 6.5691e-05 deg
peri 64.08453926647989 6.6162e-05 deg
M 81.87543022046657 8.2617e-06 deg
tp 2458254.491207702209
(2018-May-15.99120770)
3.43e-05 TDB
period 1521.374176499502
4.17
8.6724e-06
2.374e-08
d
yr
n .2366281783672156 1.3489e-09 deg/d
Q 3.259663660406288 1.2388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1112  
   data-arc span      21619 days (59.19 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54079  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:57:55  

Additional Information
 Earth MOID = .904754 au 
 Jupiter MOID = 1.85939 au 
 T_jup = 3.370 
[ 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 14.9   n/a MPO452879  
rotation period rot_per 6.824 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

52138 (6131 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 6131 P-L = 1976 JR1 = 2001 HW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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