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105953 (2000 SY246)
Classification: Main-belt Asteroid          SPK-ID: 2105953
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1611879642996686 3.1411e-08  
a 2.756890478407266 1.3209e-08 au
q 2.31251291439566 8.4406e-08 au
i 10.48086957770901 6.3076e-06 deg
node 35.01392644190048 1.9904e-05 deg
peri 83.47334913526639 2.9544e-05 deg
M 91.90045780558079 2.0831e-05 deg
tp 2458969.681857806188
(2020-Apr-30.18185781)
9.5704e-05 TDB
period 1671.966983176893
4.58
1.2016e-05
3.29e-08
d
yr
n .2153152565943416 1.5474e-09 deg/d
Q 3.201268042418873 1.5338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      8463 days (23.17 yr)  
   first obs. used      1998-03-29  
   last obs. used      2021-05-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5413  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:31:45  

Additional Information
 Earth MOID = 1.35701 au 
 Jupiter MOID = 1.98753 au 
 T_jup = 3.300 
[ 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 14.98   n/a MPO637389  

105953 (2000 SY246)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2000 SY246 = 1998 HQ55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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