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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07724666859096031 6.3711e-08  
a 3.132099600811093 3.2483e-08 au
q 2.890155340953359 1.9965e-07 au
i 20.50391496001487 7.5939e-06 deg
node 234.6365842799989 1.6521e-05 deg
peri 196.8919581560224 4.5864e-05 deg
M 28.09696582770334 4.074e-05 deg
tp 2458442.481223209751
(2018-Nov-19.98122321)
0.0002293 TDB
period 2024.6584628864
5.54
3.1496e-05
8.623e-08
d
yr
n .1778077668896193 2.766e-09 deg/d
Q 3.374043860668827 3.4992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      6320 days (17.30 yr)  
   first obs. used      2001-09-21  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:44:15  

Additional Information
 Earth MOID = 1.90729 au 
 Jupiter MOID = 1.99291 au 
 T_jup = 3.110 
[ 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 14.5   n/a MPO264386  
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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