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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2590159356075572 3.9261e-08  
a 2.589501020208904 9.8129e-09 au
q 1.918778990702771 9.9121e-08 au
i 3.606862257189194 4.087e-06 deg
node 205.5824702356001 6.3432e-05 deg
peri 64.16296558826784 6.3866e-05 deg
M 176.4157951385535 8.3151e-06 deg
tp 2458254.639647196269
(2018-May-16.13964720)
3.3576e-05 TDB
period 1522.027700515484
4.17
8.6515e-06
2.369e-08
d
yr
n .2365265756188763 1.3445e-09 deg/d
Q 3.260223049715037 1.2355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1127  
   data-arc span      21674 days (59.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:22:22  

Additional Information
 Earth MOID = .906119 au 
 Jupiter MOID = 1.86004 au 
 T_jup = 3.369 
[ 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-August); 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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