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JPL Small-Body Database Browser
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85615 (1998 HE37)
Classification: Main-belt Asteroid          SPK-ID: 2085615
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392080437745006 3.6816e-08  
a 2.438685114995912 1.0599e-08 au
q 2.099200530755338 9.0443e-08 au
i 3.565461201909999 4.0429e-06 deg
node 231.6817593933333 6.8711e-05 deg
peri 359.7341734979632 7.0365e-05 deg
M 269.4147732778013 1.6567e-05 deg
tp 2459350.515190516316
(2021-May-16.01519052)
6.4672e-05 TDB
period 1391.015656143356
3.81
9.0685e-06
2.483e-08
d
yr
n .2588037010295871 1.6872e-09 deg/d
Q 2.778169699236486 1.2075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1995-07-26  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59761  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:14:38  

Additional Information
 Earth MOID = 1.08851 au 
 Jupiter MOID = 2.21349 au 
 T_jup = 3.487 
[ 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 15.6   n/a MPO412683  

85615 (1998 HE37)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 HE37 = 2002 JR52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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