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108203 (2001 HT22)
Classification: Main-belt Asteroid          SPK-ID: 2108203
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2238571868743076 3.8254e-08  
a 2.554406047173452 1.3431e-08 au
q 1.982583895318483 9.5939e-08 au
i 14.09795964887303 4.0003e-06 deg
node 82.50566762776074 1.9404e-05 deg
peri 233.4634548081884 2.2949e-05 deg
M 183.7026900670921 1.3439e-05 deg
tp 2459730.758317451514
(2022-May-31.25831745)
5.721e-05 TDB
period 1491.191183703213
4.08
1.1761e-05
3.22e-08
d
yr
n .2414177363267255 1.9041e-09 deg/d
Q 3.12622819902842 1.6438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1292  
   data-arc span      6881 days (18.84 yr)  
   first obs. used      2001-03-04  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51831  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:39:34  

Additional Information
 Earth MOID = 1.00195 au 
 Jupiter MOID = 2.22557 au 
 T_jup = 3.362 
[ 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 14.5   n/a MPO453539  
diameter diameter 3.580 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.263   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

108203 (2001 HT22)          Discovered 2001-Apr-26 by Yeung, W. K. Y. at Desert Beaver
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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