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306918 (2001 UQ11)
Classification: Mars-crossing Asteroid          SPK-ID: 2306918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5079439137834943 4.9097e-08  
a 2.670143145692758 1.354e-08 au
q 1.313860185907407 1.3518e-07 au
i 3.872248261455767 1.4451e-05 deg
node 55.84901323665713 8.1864e-05 deg
peri 234.9110642464378 8.6797e-05 deg
M 188.7127754037606 1.9508e-05 deg
tp 2459958.767976681897
(2023-Jan-14.26797668)
9.1567e-05 TDB
period 1593.676774487687
4.36
1.2122e-05
3.319e-08
d
yr
n .2258927316774933 1.7182e-09 deg/d
Q 4.026426105478108 2.0417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      6163 days (16.87 yr)  
   first obs. used      2001-09-21  
   last obs. used      2018-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:01:05  

Additional Information
 Earth MOID = .302339 au 
 Jupiter MOID = 1.21713 au 
 T_jup = 3.180 
[ 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 17.1   n/a MPO450231  

306918 (2001 UQ11)          Discovered 2001-Oct-23 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2001 UQ11 = 2005 JN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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