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JPL Small-Body Database Browser
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379798 (2011 HL87)
Classification: Main-belt Asteroid          SPK-ID: 2379798
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1097602174710506 1.1423e-07  
a 3.017337094253409 6.2955e-08 au
q 2.686153518604687 3.7192e-07 au
i 11.35932475541665 7.5523e-06 deg
node 120.5314902967406 4.9571e-05 deg
peri 260.1844020329061 6.1704e-05 deg
M 25.0891681426394 3.3579e-05 deg
tp 2458467.080921727242
(2018-Dec-14.58092173)
0.00017827 TDB
period 1914.406564024883
5.24
5.9915e-05
1.64e-07
d
yr
n .1880478299463879 5.8853e-09 deg/d
Q 3.348520669902132 6.9865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      3725 days (10.20 yr)  
   first obs. used      2008-11-09  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60519  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:14:18  

Additional Information
 Earth MOID = 1.71662 au 
 Jupiter MOID = 2.17796 au 
 T_jup = 3.209 
[ 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 16.3   n/a MPO455733  

379798 (2011 HL87)          Discovered 2008-Nov-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

Alternate Designations
 2011 HL87 = 2010 CW150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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