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173137 (1995 HH3)
Classification: Main-belt Asteroid          SPK-ID: 2173137
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543066351590581 4.6826e-08  
a 3.108947933277175 2.8907e-08 au
q 2.629216638808467 1.4144e-07 au
i 3.970269912227498 5.2317e-06 deg
node 91.66250857673184 8.8816e-05 deg
peri 175.2963585892356 9.1035e-05 deg
M 175.191840384491 2.2158e-05 deg
tp 2458026.116380827520
(2017-Sep-29.61638083)
0.00011798 TDB
period 2002.251372736568
5.48
2.7925e-05
7.645e-08
d
yr
n .1797976042878031 2.5076e-09 deg/d
Q 3.588679227745884 3.3368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      8988 days (24.61 yr)  
   first obs. used      1995-04-26  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55152  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:02:01  

Additional Information
 Earth MOID = 1.61328 au 
 Jupiter MOID = 1.5018 au 
 T_jup = 3.197 
[ 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 15.7   n/a MPO417932  

173137 (1995 HH3)          Discovered 1995-Apr-26 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1995 HH3 = 1997 UD19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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