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249864 (2001 QC160)
Classification: Main-belt Asteroid          SPK-ID: 2249864
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799390708822094 5.1759e-08  
a 2.736807241746611 1.6627e-08 au
q 2.244348689483024 1.4391e-07 au
i 11.60881167690625 7.9534e-06 deg
node 339.5511736009153 2.327e-05 deg
peri 45.20650775174062 3.1044e-05 deg
M 290.6799048002025 1.8214e-05 deg
tp 2458918.935436999752
(2020-Mar-10.43543700)
8.4131e-05 TDB
period 1653.730523443448
4.53
1.5071e-05
4.126e-08
d
yr
n .2176896386059302 1.9839e-09 deg/d
Q 3.229265794010199 1.9619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      6667 days (18.25 yr)  
   first obs. used      2001-08-16  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:45:46  

Additional Information
 Earth MOID = 1.26197 au 
 Jupiter MOID = 2.3127 au 
 T_jup = 3.299 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457105.5 (2015-Mar-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816340006534232 5.2559e-08  
q 2.239142054023214 1.4679e-07 au
tp 2457260.329757242741
(2015-Aug-25.82975724)
8.0177e-05 TDB
node 339.8079788342083 2.3182e-05 deg
peri 44.11543186035519 3.0726e-05 deg
i 11.63703070530079 7.9668e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      6667 days (18.25 yr)  
   first obs. used      2001-08-16  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:45:46  

Additional Information
 Jupiter MOID = 2.3127 au 
 T_jup = 3.299 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.762446211807907E-15 -7.683089133174997E-15 -1.676875833871484E-12 6.044807235905282E-15 -3.958410209336776E-13 -8.517933626677656E-15
q -7.683089133174997E-15 2.154615544335312E-14 4.662828034248582E-12 -1.795010367108757E-14 1.096835994406452E-12 2.532659168020399E-14
tp -1.676875833871484E-12 4.662828034248582E-12 6.428361545903E-9 -1.074382900078574E-11 1.629052945604274E-9 -3.220352491405941E-12
node 6.044807235905282E-15 -1.795010367108757E-14 -1.074382900078574E-11 5.374280019490742E-10 -5.280418991579445E-10 1.486848075934855E-11
peri -3.958410209336776E-13 1.096835994406452E-12 1.629052945604274E-9 -5.280418991579445E-10 9.440694412576599E-10 -1.569121205141385E-11
i -8.517933626677656E-15 2.532659168020399E-14 -3.220352491405941E-12 1.486848075934855E-11 -1.569121205141385E-11 6.347003016164755E-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 16.0   n/a MPO494361  

249864 (2001 QC160)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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