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52515 (1996 HL12)
Classification: Main-belt Asteroid          SPK-ID: 2052515
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1371907186608936 3.7754e-08  
a 2.388023173685102 1.0183e-08 au
q 2.060408558308375 8.8717e-08 au
i .6421750110366441 4.688e-06 deg
node 339.4855848865251 0.00032877 deg
peri 239.5986259968116 0.00032921 deg
M 245.1164039120721 1.9105e-05 deg
tp 2459630.641903744145
(2022-Feb-20.14190374)
7.278e-05 TDB
period 1347.895527481353
3.69
8.6217e-06
2.36e-08
d
yr
n .2670830139726688 1.7084e-09 deg/d
Q 2.715637789061829 1.158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      22060 days (60.40 yr)  
   first obs. used      1960-10-24  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55342  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:18:41  

Additional Information
 Earth MOID = 1.05161 au 
 Jupiter MOID = 2.256 au 
 T_jup = 3.521 
[ 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 15.87   n/a MPCxxxxx  

52515 (1996 HL12)          Discovered 1996-Apr-17 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 HL12 = 1981 EA46 = 1992 EG28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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