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136908 (1998 HV92)
Classification: Main-belt Asteroid          SPK-ID: 2136908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250000606006161 3.6743e-08  
a 2.272852858031131 9.3943e-09 au
q 1.988746113040956 8.2311e-08 au
i 3.862123370345808 5.156e-06 deg
node 33.12272629383624 7.2606e-05 deg
peri 216.4535482319672 7.6187e-05 deg
M 193.5717696776206 2.3753e-05 deg
tp 2459779.101962927582
(2022-Jul-18.60196293)
8.3315e-05 TDB
period 1251.570759662882
3.43
7.7596e-06
2.124e-08
d
yr
n .2876385511730619 1.7833e-09 deg/d
Q 2.556959603021306 1.0569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      8297 days (22.72 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:19:28  

Additional Information
 Earth MOID = .974929 au 
 Jupiter MOID = 2.4659 au 
 T_jup = 3.598 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457145.5 (2015-May-03.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1247819341218439 3.674e-08  
q 1.989056036515037 8.2253e-08 au
tp 2457276.513762533647
(2015-Sep-11.01376253)
8.1501e-05 TDB
node 33.14808407215068 7.2555e-05 deg
peri 216.540016735749 7.6151e-05 deg
i 3.863866976669744 5.1577e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      8297 days (22.72 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:19:28  

Additional Information
 Jupiter MOID = 2.4659 au 
 T_jup = 3.598 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.349820003278613E-15 -3.007309330920716E-15 -4.955877980485238E-13 -2.487334388020915E-15 -1.482055092180503E-13 2.482014501569624E-17
q -3.007309330920716E-15 6.765582167422015E-15 1.14895975002546E-12 6.967757205384229E-15 3.388595112919748E-13 -7.285343036413683E-17
tp -4.955877980485238E-13 1.14895975002546E-12 6.642423136107242E-9 1.512496292761163E-11 1.908077991886354E-9 -1.847695923302284E-12
node -2.487334388020915E-15 6.967757205384229E-15 1.512496292761163E-11 5.264222153064735E-9 -5.247371617203661E-9 -1.373425895886348E-10
peri -1.482055092180503E-13 3.388595112919748E-13 1.908077991886354E-9 -5.247371617203661E-9 5.798977825761781E-9 1.365251015843991E-10
i 2.482014501569624E-17 -7.285343036413683E-17 -1.847695923302284E-12 -1.373425895886348E-10 1.365251015843991E-10 2.660236468073862E-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 16.97   n/a MPCxxxxx  

136908 (1998 HV92)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1998 HV92 = 1999 TQ318 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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