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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2588890702635345 3.539e-08  
a 2.589694338595189 9.1183e-09 au
q 1.919250779009542 9.011e-08 au
i 3.606638447933074 3.5305e-06 deg
node 205.5694609106937 6.3235e-05 deg
peri 64.19644311847873 6.3577e-05 deg
M 223.680617835106 8.4134e-06 deg
tp 2459776.903084575758
(2022-Jul-16.40308458)
3.7223e-05 TDB
period 1522.198143447213
4.17
8.0395e-06
2.201e-08
d
yr
n .2365000913644093 1.2491e-09 deg/d
Q 3.260137898180836 1.1479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1260  
   data-arc span      22063 days (60.41 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:13  

Additional Information
 Earth MOID = .904811 au 
 Jupiter MOID = 1.85932 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 14.93   n/a MPCxxxxx  
rotation period rot_per 6.824 h n/a LCDB (Rev. 2020-October); 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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