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109251 (2001 QY102)
Classification: Main-belt Asteroid          SPK-ID: 2109251
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187941695341565 4.0039e-08  
a 2.406765417369001 1.054e-08 au
q 1.954433844539222 9.3622e-08 au
i 3.165860486644048 4.3212e-06 deg
node 108.0884916397468 0.00013428 deg
peri 167.6549939759859 0.0001358 deg
M 39.44873342535916 2.1519e-05 deg
tp 2458851.055604101067
(2020-Jan-02.55560410)
8.1156e-05 TDB
period 1363.794927038927
3.73
8.9585e-06
2.453e-08
d
yr
n .2639693056943923 1.734e-09 deg/d
Q 2.85909699019878 1.2521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      10070 days (27.57 yr)  
   first obs. used      1993-04-19  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:33:21  

Additional Information
 Earth MOID = .938179 au 
 Jupiter MOID = 2.26151 au 
 T_jup = 3.496 
[ 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 16.8   n/a MPO432616  

109251 (2001 QY102)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QY102 = 1993 HN2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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