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85210 (1992 HM1)
Classification: Main-belt Asteroid          SPK-ID: 2085210
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114463688898465 4.5263e-08  
a 2.412308640674899 9.4949e-09 au
q 2.136186894901608 1.0846e-07 au
i 4.755318827334245 5.0853e-06 deg
node 135.0963027322352 3.8856e-05 deg
peri 198.5202200543958 4.1868e-05 deg
M 182.2316381152939 1.5132e-05 deg
tp 2460072.271240683947
(2023-May-07.77124068)
5.8294e-05 TDB
period 1368.509244654016
3.75
8.0797e-06
2.212e-08
d
yr
n .2630599693837031 1.5531e-09 deg/d
Q 2.688430386448189 1.0582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      10572 days (28.94 yr)  
   first obs. used      1992-04-26  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51878  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:25:37  

Additional Information
 Earth MOID = 1.12557 au 
 Jupiter MOID = 2.62779 au 
 T_jup = 3.505 
[ 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 15.95   n/a MPO637170  

85210 (1992 HM1)          Discovered 1992-Apr-26 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1992 HM1 = 2000 NV21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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