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101802 (1999 HV8)
Classification: Main-belt Asteroid          SPK-ID: 2101802
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1266533297691791 4.4389e-08  
a 2.576837465012701 1.075e-08 au
q 2.250472419794872 1.1416e-07 au
i 12.63825599857218 4.2662e-06 deg
node 20.4651430367609 2.2137e-05 deg
peri 94.11734162299416 2.8517e-05 deg
M 111.6196633956005 1.7182e-05 deg
tp 2458532.045760344909
(2019-Feb-17.54576034)
7.1536e-05 TDB
period 1510.876499225136
4.14
9.455e-06
2.589e-08
d
yr
n .2382722877645054 1.4911e-09 deg/d
Q 2.90320251023053 1.2112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      778  
   data-arc span      7777 days (21.29 yr)  
   first obs. used      1999-03-13  
   last obs. used      2020-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:25  

Additional Information
 Earth MOID = 1.30808 au 
 Jupiter MOID = 2.25264 au 
 T_jup = 3.382 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456892.5 (2014-Aug-23.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1272951338718399 4.4467e-08  
q 2.248736311131759 1.1458e-07 au
tp 2457023.036627489633
(2014-Dec-31.53662749)
6.9975e-05 TDB
node 20.5102804340288 2.2149e-05 deg
peri 94.55298081714231 2.8442e-05 deg
i 12.63569956030784 4.265e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      778  
   data-arc span      7777 days (21.29 yr)  
   first obs. used      1999-03-13  
   last obs. used      2020-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:25  

Additional Information
 Jupiter MOID = 2.25264 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.977297878678578E-15 -5.077550511500567E-15 3.769586484950462E-14 -5.268308935824517E-15 -7.363482885832879E-15 -1.108830062898881E-14
q -5.077550511500567E-15 1.312781935819039E-14 -8.514868570460051E-14 1.552278767151571E-14 1.621013627609844E-14 2.89545913771257E-14
tp 3.769586484950462E-14 -8.514868570460051E-14 4.896488340402941E-9 1.56573660128603E-11 1.274039026296072E-9 -3.199108419808073E-12
node -5.268308935824517E-15 1.552278767151571E-14 1.56573660128603E-11 4.905769933059606E-10 -4.743193521596998E-10 -8.747357557237071E-12
peri -7.363482885832879E-15 1.621013627609844E-14 1.274039026296072E-9 -4.743193521596998E-10 8.089715174038203E-10 7.802600539742954E-12
i -1.108830062898881E-14 2.89545913771257E-14 -3.199108419808073E-12 -8.747357557237071E-12 7.802600539742954E-12 1.818981779784658E-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 15.2   n/a MPO160688  

101802 (1999 HV8)          Discovered 1999-Apr-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 HV8 = 2001 SL155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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