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173125 (1993 PB2)
Classification: Main-belt Asteroid          SPK-ID: 2173125
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1011691995032717 5.8667e-08  
a 2.213376136560314 1.3276e-08 au
q 1.989450644624863 1.3032e-07 au
i 7.009654918374968 9.8169e-06 deg
node 306.7042925150981 4.1031e-05 deg
peri 254.7558401430252 6.3412e-05 deg
M 157.3294522310144 4.9282e-05 deg
tp 2458474.859533985282
(2018-Dec-22.35953399)
0.00016366 TDB
period 1202.766329392936
3.29
1.0821e-05
2.963e-08
d
yr
n .2993100082720974 2.6929e-09 deg/d
Q 2.437301628495766 1.4619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      9304 days (25.47 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61953  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:58:38  

Additional Information
 Earth MOID = 1.00072 au 
 Jupiter MOID = 2.5633 au 
 T_jup = 3.639 
[ 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 16.9   n/a MPO436860  

173125 (1993 PB2)          Discovered 1993-Aug-15 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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