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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683625006302654 7.2243e-08  
a 2.304066218525755 1.5636e-08 au
q 1.916147868357039 1.7158e-07 au
i 4.739097109173344 7.4567e-06 deg
node 161.9805748284919 8.842e-05 deg
peri 355.4567503962252 9.2246e-05 deg
M 308.959295542491 2.8196e-05 deg
tp 2459181.615250413860
(2020-Nov-28.11525041)
0.00010054 TDB
period 1277.441031466748
3.50
1.3003e-05
3.56e-08
d
yr
n .2818133997047603 2.8686e-09 deg/d
Q 2.69198456869447 1.8268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7155 days (19.59 yr)  
   first obs. used      2000-04-26  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:35:06  

Additional Information
 Earth MOID = .925485 au 
 Jupiter MOID = 2.29298 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457256.5 (2015-Aug-22.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168065328650908 7.2661e-08  
q 1.917051390617023 1.7258e-07 au
tp 2456627.345506617691
(2013-Nov-30.84550662)
9.6714e-05 TDB
node 162.0096485715839 8.8387e-05 deg
peri 355.5945224968034 9.2199e-05 deg
i 4.739771063786869 7.4595e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7155 days (19.59 yr)  
   first obs. used      2000-04-26  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:35:06  

Additional Information
 Jupiter MOID = 2.29298 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.279664808328442E-15 -1.250913638612456E-14 4.956357369826189E-12 -2.706985506795911E-14 1.394694301734043E-12 -3.886787346776818E-15
q -1.250913638612456E-14 2.978515076937641E-14 -1.140731138655706E-11 6.365682999092621E-14 -3.201610371653445E-12 9.693661062560349E-15
tp 4.956357369826189E-12 -1.140731138655706E-11 9.353553158385369E-9 -4.109344078076707E-11 2.608984853180255E-9 -3.854981109139705E-12
node -2.706985506795911E-14 6.365682999092621E-14 -4.109344078076707E-11 7.812214671489566E-9 -7.796578460243663E-9 4.712394488142733E-10
peri 1.394694301734043E-12 -3.201610371653445E-12 2.608984853180255E-9 -7.796578460243663E-9 8.500665027668505E-9 -4.706977942550163E-10
i -3.886787346776818E-15 9.693661062560349E-15 -3.854981109139705E-12 4.712394488142733E-10 -4.706977942550163E-10 5.564343031250488E-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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