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213291 (2001 QF123)
Classification: Main-belt Asteroid          SPK-ID: 2213291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2035708513832265 3.1697e-08  
a 2.738782717747653 1.5128e-08 au
q 2.181246388142096 8.7952e-08 au
i 10.06626618074234 4.1381e-06 deg
node 135.5863110620804 2.2943e-05 deg
peri 236.8816424162045 2.6915e-05 deg
M 66.88425213422909 1.2096e-05 deg
tp 2458892.921361951680
(2020-Feb-13.42136195)
5.5076e-05 TDB
period 1655.521384543195
4.53
1.3717e-05
3.756e-08
d
yr
n .2174541527286487 1.8017e-09 deg/d
Q 3.29631904735321 1.8208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      7127 days (19.51 yr)  
   first obs. used      2001-07-16  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60113  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:07  

Additional Information
 Earth MOID = 1.19753 au 
 Jupiter MOID = 2.22052 au 
 T_jup = 3.299 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457299.5 (2015-Oct-04.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2062420113687438 3.199e-08  
q 2.172391475609137 8.8984e-08 au
tp 2457234.365558164769
(2015-Jul-30.86555816)
5.1724e-05 TDB
node 135.8552493574575 2.2943e-05 deg
peri 235.9838188450218 2.6698e-05 deg
i 10.07092700239789 4.1392e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      7127 days (19.51 yr)  
   first obs. used      2001-07-16  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60113  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:07  

Additional Information
 Jupiter MOID = 2.22052 au 
 T_jup = 3.299 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.023364950337207E-15 -2.820812674219937E-15 7.675270272443075E-14 1.780910850401609E-15 1.772690077852914E-14 -4.44490944845906E-15
q -2.820812674219937E-15 7.918197547763725E-15 -2.285078369780324E-13 -6.652769131012341E-15 -5.188335516025814E-14 1.298436697810555E-14
tp 7.675270272443075E-14 -2.285078369780324E-13 2.675385066261594E-9 4.569524746837036E-12 7.214155760526346E-10 -6.347888841351616E-12
node 1.780910850401609E-15 -6.652769131012341E-15 4.569524746837036E-12 5.263732357500435E-10 -5.166491429386571E-10 -5.977294523603086E-12
peri 1.772690077852914E-14 -5.188335516025814E-14 7.214155760526346E-10 -5.166491429386571E-10 7.127584553359598E-10 4.168966061968086E-12
i -4.44490944845906E-15 1.298436697810555E-14 -6.347888841351616E-12 -5.977294523603086E-12 4.168966061968086E-12 1.713275367474895E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.33   n/a MPCxxxxx  

213291 (2001 QF123)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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