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(2004 SS)
Classification: Amor [NEO, PHA]          SPK-ID: 3253151
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .528984797853067 2.3079e-08  
a 2.197168190022146 3.9442e-09 au
q 1.034899619174092 4.8979e-08 au
i 6.519508718184854 4.444e-06 deg
node 1.381802082063581 7.4524e-06 deg
peri 353.2933129710333 2.0735e-05 deg
M 358.4741317786585 4.0921e-06 deg
tp 2459205.542058828694
(2020-Dec-22.04205883)
1.3511e-05 TDB
period 1189.579252613375
3.26
3.2032e-06
8.77e-09
d
yr
n .302628008355996 8.1489e-10 deg/d
Q 3.359436760870201 6.0307e-09 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      4817 days (13.19 yr)  
   first obs. used      2004-09-14  
   last obs. used      2017-11-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33381  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 22:21:16  

Additional Information
 Earth MOID = .0311424 au 
 Jupiter MOID = 2.08927 au 
 T_jup = 3.464 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.9   n/a MPO437948  
rotation period rot_per 58. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Warner, B.D. (2018) Minor Planet Bull. 45, 138-147.]

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