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200104 (1995 SD)
Classification: Main-belt Asteroid          SPK-ID: 2200104
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1704814716507175 4.3758e-08  
a 2.578239049010849 1.5081e-08 au
q 2.138697061668133 1.137e-07 au
i 4.171791694274462 5.7439e-06 deg
node 46.91635180959809 5.6659e-05 deg
peri 302.1568196988253 5.887e-05 deg
M 351.0216906498794 1.5837e-05 deg
tp 2459038.211626493045
(2020-Jul-07.71162649)
6.6551e-05 TDB
period 1512.109352448839
4.14
1.3267e-05
3.632e-08
d
yr
n .2380780195671598 2.0889e-09 deg/d
Q 3.017781036353564 1.7652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      10133 days (27.74 yr)  
   first obs. used      1993-01-26  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:19:13  

Additional Information
 Earth MOID = 1.13616 au 
 Jupiter MOID = 2.41209 au 
 T_jup = 3.402 
[ 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 15.9   n/a MPO436976  

200104 (1995 SD)          Discovered 1995-Sep-16 by Tichy, M. at Klet
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

Alternate Designations
 1995 SD = 1999 RN41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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