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357777 (2005 SS211)
Classification: Main-belt Asteroid          SPK-ID: 2357777
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02532010372544624 8.6296e-08  
a 3.125242490705117 5.4136e-08 au
q 3.046111026673291 2.4638e-07 au
i 12.00944406735458 7.9247e-06 deg
node 22.96715163586689 3.7498e-05 deg
peri 93.38677810329406 0.00029919 deg
M 148.8341417686679 0.00028399 deg
tp 2458166.196483470020
(2018-Feb-16.69648347)
0.0016028 TDB
period 2018.013221842768
5.53
5.2435e-05
1.436e-07
d
yr
n .1783932811259099 4.6353e-09 deg/d
Q 3.204373954736942 5.5507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      4955 days (13.57 yr)  
   first obs. used      2005-09-30  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61125  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:00:10  

Additional Information
 Earth MOID = 2.09018 au 
 Jupiter MOID = 1.8112 au 
 T_jup = 3.181 
[ 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 16.3   n/a MPO471688  

357777 (2005 SS211)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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