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86875 (2000 HN21)
Classification: Main-belt Asteroid          SPK-ID: 2086875
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137018366963624 4.3226e-08  
a 2.378643951579441 9.5336e-09 au
q 2.108187765438165 1.0511e-07 au
i 5.317738622594519 4.6922e-06 deg
node 291.5052105026255 4.3474e-05 deg
peri .986435077078352 4.8097e-05 deg
M 94.2278487627177 1.8496e-05 deg
tp 2458649.772870079108
(2019-Jun-15.27287008)
6.953e-05 TDB
period 1339.962319308281
3.67
8.0559e-06
2.206e-08
d
yr
n .2686642712355078 1.6152e-09 deg/d
Q 2.649100137720717 1.0618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      7190 days (19.69 yr)  
   first obs. used      2000-03-30  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54147  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:05:59  

Additional Information
 Earth MOID = 1.09201 au 
 Jupiter MOID = 2.50715 au 
 T_jup = 3.525 
[ 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 15.4   n/a MPO385357  

86875 (2000 HN21)          Discovered 2000-Apr-28 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2000 HN21 = 2001 QQ261 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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