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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457618.5 (2016-Aug-18.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187269124180587 4.0019e-08  
q 1.956348149895393 9.3541e-08 au
tp 2457487.409445608883
(2016-Apr-08.90944561)
7.8806e-05 TDB
node 108.0992672039072 0.00013433 deg
peri 167.7647608125184 0.00013586 deg
i 3.165147620019382 4.3187e-06 deg
  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
 Jupiter MOID = 2.26151 au 
 T_jup = 3.496 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.601483236345607E-15 -3.729950069429147E-15 6.252059404562006E-13 -6.3853138309941E-15 1.095119285755071E-13 -5.215408341770264E-16
q -3.729950069429147E-15 8.750008579005398E-15 -1.338718679579518E-12 1.361871386360855E-14 -2.218141587337686E-13 1.102275267637396E-15
tp 6.252059404562006E-13 -1.338718679579518E-12 6.210395385484654E-9 1.073889600954534E-12 1.679230203345439E-9 -5.534280115435509E-12
node -6.3853138309941E-15 1.361871386360855E-14 1.073889600954534E-12 1.80440595808301E-8 -1.80158533987726E-8 1.853945763778553E-10
peri 1.095119285755071E-13 -2.218141587337686E-13 1.679230203345439E-9 -1.80158533987726E-8 1.845798436085342E-8 -1.866057308195698E-10
i -5.215408341770264E-16 1.102275267637396E-15 -5.534280115435509E-12 1.853945763778553E-10 -1.866057308195698E-10 1.865127710638087E-11

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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