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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456970.5 (2014-Nov-09.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136673460671319 4.3228e-08  
q 2.108239966000839 1.0518e-07 au
tp 2457311.197142022611
(2015-Oct-15.69714202)
7.2711e-05 TDB
node 291.5540051255419 4.3506e-05 deg
peri 1.377458503053073 4.8124e-05 deg
i 5.315472288772847 4.6909e-06 deg
  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
 Jupiter MOID = 2.50715 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.868628765637906E-15 -4.532444830954942E-15 1.097451989853416E-12 7.286638525729166E-15 2.941610124331241E-13 -2.115254054029509E-15
q -4.532444830954942E-15 1.10622805575286E-14 -2.88656221514423E-12 -1.916197876907567E-14 -7.799301211112931E-13 5.396108122093812E-15
tp 1.097451989853416E-12 -2.88656221514423E-12 5.286937930072027E-9 7.948792216529606E-12 1.509418207203165E-9 -3.7130532929225E-12
node 7.286638525729166E-15 -1.916197876907567E-14 7.948792216529606E-12 1.89274732297144E-9 -1.881957180173529E-9 6.333896303509394E-11
peri 2.941610124331241E-13 -7.799301211112931E-13 1.509418207203165E-9 -1.881957180173529E-9 2.315875376232575E-9 -6.415886874603847E-11
i -2.115254054029509E-15 5.396108122093812E-15 -3.7130532929225E-12 6.333896303509394E-11 -6.415886874603847E-11 2.200498433517984E-11

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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