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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .125196707173551 3.7788e-08  
a 2.272432564407818 9.5805e-09 au
q 1.98793149007001 8.4828e-08 au
i 3.862524697132003 5.4115e-06 deg
node 33.12543808664407 7.4571e-05 deg
peri 216.4272275569296 7.8374e-05 deg
M 136.0600765589484 2.464e-05 deg
tp 2458527.606719130939
(2019-Feb-13.10671913)
8.5238e-05 TDB
period 1251.223616937364
3.43
7.9127e-06
2.166e-08
d
yr
n .2877183543587329 1.8195e-09 deg/d
Q 2.556933638745625 1.078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61807  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:28:13  

Additional Information
 Earth MOID = .975663 au 
 Jupiter MOID = 2.46703 au 
 T_jup = 3.598 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456967.5 (2014-Nov-06.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248936177162565 3.7815e-08  
q 1.98938440507525 8.4856e-08 au
tp 2457276.171810882969
(2015-Sep-10.67181088)
8.5013e-05 TDB
node 33.1573645474811 7.4539e-05 deg
peri 216.4078866448959 7.8356e-05 deg
i 3.863339016242202 5.4117e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61807  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:28:13  

Additional Information
 Jupiter MOID = 2.46703 au 
 T_jup = 3.598 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.429989552210638E-15 -3.193440706260045E-15 -6.863802744673032E-13 -1.229742495458786E-15 -2.019090584612106E-13 -6.948950878456534E-17
q -3.193440706260045E-15 7.200509196470509E-15 1.577443464367626E-12 4.37627907108113E-15 4.575545076078361E-13 5.518475436396221E-17
tp -6.863802744673032E-13 1.577443464367626E-12 7.227207567786219E-9 1.741799686480938E-11 2.077831139887051E-9 -2.079722627444559E-12
node -1.229742495458786E-15 4.37627907108113E-15 1.741799686480938E-11 5.556032139747807E-9 -5.537903674873709E-9 -1.531294941666195E-10
peri -2.019090584612106E-13 4.575545076078361E-13 2.077831139887051E-9 -5.537903674873709E-9 6.13964378979761E-9 1.522206295178908E-10
i -6.948950878456534E-17 5.518475436396221E-17 -2.079722627444559E-12 -1.531294941666195E-10 1.522206295178908E-10 2.928643336838946E-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 16.9   n/a MPO436675  

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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