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109271 (2001 QQ112)
Classification: Main-belt Asteroid          SPK-ID: 2109271
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1085070908419746 4.6056e-08  
a 2.577416882628168 1.7119e-08 au
q 2.297748874807194 1.2844e-07 au
i 12.18198617781955 6.4013e-06 deg
node 315.5684397956447 1.8321e-05 deg
peri 273.0795040793218 3.9408e-05 deg
M 304.2021055750158 3.7717e-05 deg
tp 2459234.756009172169
(2021-Jan-20.25600917)
0.00015947 TDB
period 1511.386122559851
4.14
1.5058e-05
4.123e-08
d
yr
n .2381919448818706 2.373e-09 deg/d
Q 2.857084890449142 1.8976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      6815 days (18.66 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:02:47  

Additional Information
 Earth MOID = 1.32688 au 
 Jupiter MOID = 2.28491 au 
 T_jup = 3.387 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457011.5 (2014-Dec-20.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096524335045282 4.5811e-08  
q 2.293991485781659 1.2775e-07 au
tp 2457723.031249672389
(2016-Nov-30.53124967)
0.00015158 TDB
node 315.6165984751644 1.8307e-05 deg
peri 273.1138205455518 3.92e-05 deg
i 12.18910740722127 6.4039e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      6815 days (18.66 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:02:47  

Additional Information
 Jupiter MOID = 2.28491 au 
 T_jup = 3.387 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.098655252636946E-15 -5.82587506471602E-15 -3.458080033420403E-12 9.679253662893363E-15 -6.990760859841954E-13 7.852496389650519E-16
q -5.82587506471602E-15 1.631949429403301E-14 9.841265530995237E-12 -2.782930173381173E-14 1.981222822427906E-12 -1.694972646741391E-15
tp -3.458080033420403E-12 9.841265530995237E-12 2.297612469978857E-8 -3.745529962484451E-11 5.250146325259422E-9 7.929957763725867E-12
node 9.679253662893363E-15 -2.782930173381173E-14 -3.745529962484451E-11 3.351456517483139E-10 -3.352993395615362E-10 3.181392807461243E-11
peri -6.990760859841954E-13 1.981222822427906E-12 5.250146325259422E-9 -3.352993395615362E-10 1.536663170505707E-9 -2.92612319450396E-11
i 7.852496389650519E-16 -1.694972646741391E-15 7.929957763725867E-12 3.181392807461243E-11 -2.92612319450396E-11 4.100951676893651E-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 15.5   n/a MPO417560  

109271 (2001 QQ112)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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