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173784 (2001 SO77)
Classification: Main-belt Asteroid          SPK-ID: 2173784
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1064805565885468 6.2588e-08  
a 3.104015807722399 3.0262e-08 au
q 2.77349847685647 1.9982e-07 au
i 9.331375260434623 7.162e-06 deg
node 348.6033310996564 3.3796e-05 deg
peri 23.35917018130188 4.3052e-05 deg
M 149.0788047811187 2.7505e-05 deg
tp 2458173.324400700292
(2018-Feb-23.82440070)
0.00014872 TDB
period 1997.488618084293
5.47
2.9211e-05
7.998e-08
d
yr
n .1802263085460086 2.6356e-09 deg/d
Q 3.434533138588328 3.3484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      9809 days (26.86 yr)  
   first obs. used      1993-03-25  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:09:19  

Additional Information
 Earth MOID = 1.77553 au 
 Jupiter MOID = 2.03834 au 
 T_jup = 3.192 
[ 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 15.1   n/a MPO287733  

173784 (2001 SO77)          Discovered 2001-Sep-17 by LINEAR at Socorro
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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