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173188 (1998 HV71)
Classification: Main-belt Asteroid          SPK-ID: 2173188
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1920869100489924 3.668e-08  
a 2.389224506100446 1.2593e-08 au
q 1.930285753310282 9.0573e-08 au
i 5.961786789754401 3.8623e-06 deg
node 71.43848851459009 5.4209e-05 deg
peri 184.4517523441639 5.6333e-05 deg
M 322.0251250049835 1.7206e-05 deg
tp 2459142.791094501975
(2020-Oct-20.29109450)
6.4697e-05 TDB
period 1348.912775287165
3.69
1.0665e-05
2.92e-08
d
yr
n .2668816002008439 2.11e-09 deg/d
Q 2.848163258890611 1.5012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57144  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:25:01  

Additional Information
 Earth MOID = .915515 au 
 Jupiter MOID = 2.20501 au 
 T_jup = 3.501 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457308.5 (2015-Oct-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925799436534675 3.6617e-08  
q 1.929141031282143 9.0475e-08 au
tp 2457792.686328542183
(2017-Feb-08.18632854)
6.3139e-05 TDB
node 71.48622427203136 5.4215e-05 deg
peri 184.2827816956508 5.6332e-05 deg
i 5.961938897487767 3.8622e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57144  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:25:01  

Additional Information
 Jupiter MOID = 2.20501 au 
 T_jup = 3.501 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.340813498989671E-15 -3.293127576585719E-15 -2.343357033872677E-13 -1.011334841106839E-14 2.230250517439536E-15 -3.931341654517144E-16
q -3.293127576585719E-15 8.185646383511404E-15 5.946725625227008E-13 2.698957907937549E-14 -1.126328008079758E-14 1.252403448335786E-15
tp -2.343357033872677E-13 5.946725625227008E-13 3.98655045262661E-9 2.654128280924236E-12 1.002401507866921E-9 4.44153271476984E-12
node -1.011334841106839E-14 2.698957907937549E-14 2.654128280924236E-12 2.93929570479315E-9 -2.922876504453423E-9 6.83316020083813E-12
peri 2.230250517439536E-15 -1.126328008079758E-14 1.002401507866921E-9 -2.922876504453423E-9 3.173275246301484E-9 -5.716705723535191E-12
i -3.931341654517144E-16 1.252403448335786E-15 4.44153271476984E-12 6.83316020083813E-12 -5.716705723535191E-12 1.49166897931407E-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 16.6   n/a MPO427056  

173188 (1998 HV71)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 1998 HV71 = 2006 QU125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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