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160439 (2005 SS204)
Classification: Main-belt Asteroid          SPK-ID: 2160439
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002526001066382 5.2306e-08  
a 2.746125525846376 1.4916e-08 au
q 2.470819301661068 1.4262e-07 au
i 3.885253448231023 5.327e-06 deg
node 49.18762302618281 6.7763e-05 deg
peri 301.7258934270548 7.1599e-05 deg
M 138.8605275034147 2.3927e-05 deg
tp 2458559.356395664516
(2019-Mar-16.85639566)
0.00010818 TDB
period 1662.183643621102
4.55
1.3543e-05
3.708e-08
d
yr
n .2165825667828932 1.7646e-09 deg/d
Q 3.021431750031684 1.6412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      6975 days (19.10 yr)  
   first obs. used      2001-12-18  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4815  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:46:15  

Additional Information
 Earth MOID = 1.4661 au 
 Jupiter MOID = 2.37488 au 
 T_jup = 3.337 
[ 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 16.5   n/a MPO454061  

160439 (2005 SS204)          Discovered 2005-Sep-30 by LONEOS at Anderson Mesa
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2005 SS204 = 2001 YO32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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