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173812 (2001 SO277)
Classification: Main-belt Asteroid          SPK-ID: 2173812
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07718110335368152 5.4586e-08  
a 3.130829427432257 3.0394e-08 au
q 2.889188557810861 1.6465e-07 au
i 20.50386634872386 6.5137e-06 deg
node 234.6278892314174 1.633e-05 deg
peri 196.5939696097885 4.5475e-05 deg
M 99.53825239039652 4.0627e-05 deg
tp 2458441.032261175112
(2018-Nov-18.53226118)
0.00022869 TDB
period 2023.426985507247
5.54
2.9465e-05
8.067e-08
d
yr
n .1779159824290634 2.5908e-09 deg/d
Q 3.372470297053654 3.274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      6793 days (18.60 yr)  
   first obs. used      2001-09-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64456  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:30:25  

Additional Information
 Earth MOID = 1.90646 au 
 Jupiter MOID = 1.99544 au 
 T_jup = 3.111 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO469863  
diameter diameter 7.039 km 0.444 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

173812 (2001 SO277)          Discovered 2001-Sep-21 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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