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JPL Small-Body Database Browser
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382110 (2011 HJ15)
Classification: Main-belt Asteroid          SPK-ID: 2382110
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1257243628913741 5.3904e-08  
a 2.459857730397719 2.5357e-08 au
q 2.150593684440044 1.2834e-07 au
i 6.084493358011751 7.7428e-06 deg
node 88.8216364332213 5.9029e-05 deg
peri 59.4688477647896 7.0265e-05 deg
M 80.49330238775308 4.1457e-05 deg
tp 2458285.420131004969
(2018-Jun-15.92013100)
0.00015997 TDB
period 1409.170073452836
3.86
2.1789e-05
5.966e-08
d
yr
n .2554695183938342 3.9502e-09 deg/d
Q 2.769121776355393 2.8545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6473 days (17.72 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50975  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:23  

Additional Information
 Earth MOID = 1.17041 au 
 Jupiter MOID = 2.25038 au 
 T_jup = 3.472 
[ 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 17.1   n/a MPO434367  

382110 (2011 HJ15)          Discovered 2009-Nov-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2011 HJ15 = 2009 WA14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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