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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 
[ 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 15.5   n/a MPO417560  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2011-Nov-13 14:12 < 00:01 Hebe 0.0233307150925604 0.0233296708056593 0.0233317593795561 10.1464642731925 10.1464642469313 2455879.091838182 0.287001413889224 117.137300414784 52.0564617154896 89.3642877474522 67035.2877833385 T 21 CATAB v2.0f-lin.ifort 2020-May-20 19:03:04 2020-May-20 19:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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