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192381 (1996 HT4)
Classification: Main-belt Asteroid          SPK-ID: 2192381
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145632344450916 6.746e-08  
a 2.345723210558305 9.4859e-09 au
q 2.076989572443821 1.5884e-07 au
i 7.128287292648587 6.2998e-06 deg
node 52.41105458726542 3.8923e-05 deg
peri 350.36735571234 4.5209e-05 deg
M 103.0683257361492 2.1547e-05 deg
tp 2458824.804238797170
(2019-Dec-07.30423880)
7.8219e-05 TDB
period 1312.240914626425
3.59
7.9599e-06
2.179e-08
d
yr
n .2743398685312953 1.6641e-09 deg/d
Q 2.614456848672789 1.0573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      9135 days (25.01 yr)  
   first obs. used      1996-04-11  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6252  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:19:49  

Additional Information
 Earth MOID = 1.0853 au 
 Jupiter MOID = 2.7526 au 
 T_jup = 3.542 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457897.5 (2017-May-24.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114142910456762 6.7943e-08  
q 2.077910107555531 1.599e-07 au
tp 2457509.799082009652
(2016-May-01.29908201)
7.7501e-05 TDB
node 52.42979129149322 3.8922e-05 deg
peri 349.7029577062391 4.5183e-05 deg
i 7.129153218599165 6.3028e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      9135 days (25.01 yr)  
   first obs. used      1996-04-11  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6252  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:19:49  

Additional Information
 Jupiter MOID = 2.7526 au 
 T_jup = 3.542 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.616256163402842E-15 -1.084934093570371E-14 -3.023380440987021E-12 -2.750865683653956E-14 -9.523084502106826E-13 4.903676229107134E-15
q -1.084934093570371E-14 2.556886688742372E-14 7.116364290224598E-12 6.371146516269319E-14 2.246984617487979E-12 -1.135006874793539E-14
tp -3.023380440987021E-12 7.116364290224598E-12 6.006419392366445E-9 2.780836532530584E-11 1.799229145153492E-9 -7.887209615227992E-12
node -2.750865683653956E-14 6.371146516269319E-14 2.780836532530584E-11 1.51488428442078E-9 -1.493888116383153E-9 -1.267466721204093E-10
peri -9.523084502106826E-13 2.246984617487979E-12 1.799229145153492E-9 -1.493888116383153E-9 2.041540176304848E-9 1.233298720378719E-10
i 4.903676229107134E-15 -1.135006874793539E-14 -7.887209615227992E-12 -1.267466721204093E-10 1.233298720378719E-10 3.972510560044339E-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 16.79   n/a MPCxxxxx  

192381 (1996 HT4)          Discovered 1996-Apr-18 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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