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109121 (2001 QU43)
Classification: Main-belt Asteroid          SPK-ID: 2109121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1256266136786782 3.7997e-08  
a 2.731112770996413 1.8043e-08 au
q 2.388012322001542 1.0282e-07 au
i 5.092750427619818 4.2976e-06 deg
node 134.3276344200327 5.4815e-05 deg
peri 178.8889716927174 6.0043e-05 deg
M 62.85331218032463 2.1752e-05 deg
tp 2458712.671665729254
(2019-Aug-17.17166573)
0.00010011 TDB
period 1648.571837235726
4.51
1.6337e-05
4.473e-08
d
yr
n .2183708297502139 2.164e-09 deg/d
Q 3.074213219991283 2.031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      7112 days (19.47 yr)  
   first obs. used      2000-05-05  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54629  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:19:44  

Additional Information
 Earth MOID = 1.37397 au 
 Jupiter MOID = 2.18504 au 
 T_jup = 3.337 
[ 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 15.8   n/a MPO493615  

109121 (2001 QU43)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QU43 = 2002 XR61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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