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85381 (1996 JL15)
Classification: Main-belt Asteroid          SPK-ID: 2085381
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318881668157457 7.1343e-08  
a 2.550413938884354 1.1979e-08 au
q 2.214044519863571 1.8278e-07 au
i 8.790130275787835 8.2095e-06 deg
node 216.9295744412788 4.2418e-05 deg
peri 87.3559267057677 5.8146e-05 deg
M 266.7543849066446 3.9271e-05 deg
tp 2459385.836682577755
(2021-Jun-20.33668258)
0.00016252 TDB
period 1487.69682723533
4.07
1.0481e-05
2.87e-08
d
yr
n .2419847870946986 1.7048e-09 deg/d
Q 2.886783357905136 1.3558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      8750 days (23.96 yr)  
   first obs. used      1996-05-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:06  

Additional Information
 Earth MOID = 1.22052 au 
 Jupiter MOID = 2.35432 au 
 T_jup = 3.412 
[ 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 15.9   n/a MPO432397  

85381 (1996 JL15)          Discovered 1996-May-13 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1996 JL15 = 2000 HZ31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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