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JPL Small-Body Database Browser
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193131 (2000 HZ44)
Classification: Main-belt Asteroid          SPK-ID: 2193131
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685289385005856 7.3407e-08  
a 2.30350283595135 1.5981e-08 au
q 1.91529594817538 1.7371e-07 au
i 4.739529301952561 7.7496e-06 deg
node 161.9881421556726 8.8538e-05 deg
peri 355.5311325204249 9.2331e-05 deg
M 196.1350943450304 2.8043e-05 deg
tp 2459181.752729471847
(2020-Nov-28.25272947)
0.00010105 TDB
period 1276.972526688901
3.50
1.3289e-05
3.638e-08
d
yr
n .2819167934125055 2.9337e-09 deg/d
Q 2.691709723727319 1.8674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      7125 days (19.51 yr)  
   first obs. used      2000-04-26  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53121  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 21:44:25  

Additional Information
 Earth MOID = .925098 au 
 Jupiter MOID = 2.29465 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457005.5 (2014-Dec-14.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168082928667009 7.3676e-08  
q 1.916842071128314 1.7436e-07 au
tp 2456627.210044872908
(2013-Nov-30.71004487)
9.6949e-05 TDB
node 162.0124825029916 8.852e-05 deg
peri 355.548123284581 9.2315e-05 deg
i 4.73947024693893 7.7501e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      7125 days (19.51 yr)  
   first obs. used      2000-04-26  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53121  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 21:44:25  

Additional Information
 Jupiter MOID = 2.29465 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.428195411185639E-15 -1.281228466888629E-14 5.029317322544989E-12 -2.285262851213957E-14 1.397335890348362E-12 -7.857791247855399E-15
q -1.281228466888629E-14 3.040119676800678E-14 -1.155511468603562E-11 5.38343548930746E-14 -3.205092252707532E-12 1.881047532341405E-14
tp 5.029317322544989E-12 -1.155511468603562E-11 9.399075582877114E-9 -3.468372055701818E-11 2.609464443466701E-9 -9.569547285532968E-12
node -2.285262851213957E-14 5.38343548930746E-14 -3.468372055701818E-11 7.835730005362264E-9 -7.818226709718868E-9 4.668404898113286E-10
peri 1.397335890348362E-12 -3.205092252707532E-12 2.609464443466701E-9 -7.818226709718868E-9 8.522055641995468E-9 -4.678761141862567E-10
i -7.857791247855399E-15 1.881047532341405E-14 -9.569547285532968E-12 4.668404898113286E-10 -4.678761141862567E-10 6.006371223312851E-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 16.8   n/a MPO454340  

193131 (2000 HZ44)          Discovered 2000-Apr-26 by LONEOS at Anderson Mesa
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2000 HZ44 = 2005 TD144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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