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108145 (2001 HT1)
Classification: Main-belt Asteroid          SPK-ID: 2108145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700639002685575 3.5811e-08  
a 2.356222293746781 9.6232e-09 au
q 1.955513940572477 8.512e-08 au
i 1.664335532440809 5.2728e-06 deg
node 350.6143326975923 0.00013677 deg
peri 248.5039879478528 0.00013773 deg
M 83.46297500062346 1.5562e-05 deg
tp 2458694.223145484356
(2019-Jul-29.72314548)
5.6781e-05 TDB
period 1321.060837153341
3.62
8.0932e-06
2.216e-08
d
yr
n .2725082675039692 1.6695e-09 deg/d
Q 2.756930646921085 1.126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      787  
   data-arc span      10578 days (28.96 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:52:00  

Additional Information
 Earth MOID = .944058 au 
 Jupiter MOID = 2.25456 au 
 T_jup = 3.534 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO474951  

108145 (2001 HT1)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1901-Feb-07 06:10 < 00:01 Amphi 0.0403225140318694 0.0403052084873771 0.0403398230511144 4.825061817671 4.82506178812338 2415422.756662508 0.494217747401162 1045.85258722404 50.1386734051882 -34.4606007459248 68215.9387881614 T 19 CATAB v2.0f-lin.ifort 2020-Oct-22 19:52:50 2020-Oct-22 19:52
2060-May-11 18:01 < 00:01 Amphi 0.0116628254704719 0.0116576431197508 0.0116680134719867 4.60215174381659 4.60215163671194 2473591.250513237 0.51289483369754 486.624503234304 49.5723009469379 58.399769164567 30022.2750197962 T 19 CATAB v2.0f-lin.ifort 2020-Oct-22 19:52:50 2020-Oct-22 19:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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