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362687 (2011 UN122)
Classification: Main-belt Asteroid          SPK-ID: 2362687
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1586737824795116 3.9285e-08  
a 2.465331729714519 1.6726e-08 au
q 2.074148219093959 9.8938e-08 au
i 8.318601143094293 9.9548e-06 deg
node 207.3795173185794 3.4959e-05 deg
peri 278.663223906891 5.4859e-05 deg
M 102.423601315176 3.9544e-05 deg
tp 2458994.237993083110
(2020-May-24.73799308)
0.00015479 TDB
period 1413.876495559461
3.87
1.4388e-05
3.939e-08
d
yr
n .2546191277177646 2.5912e-09 deg/d
Q 2.856515240335078 1.938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      5967 days (16.34 yr)  
   first obs. used      2005-03-04  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:49:37  

Additional Information
 Earth MOID = 1.10884 au 
 Jupiter MOID = 2.26382 au 
 T_jup = 3.456 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458070.5 (2017-Nov-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588809410587973 3.884e-08  
q 2.073863951306262 9.7667e-08 au
tp 2457581.263493515246
(2016-Jul-11.76349352)
0.00015397 TDB
node 207.3896744089567 3.4955e-05 deg
peri 278.9505250232127 5.4835e-05 deg
i 8.318944736409712 9.9555e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      5967 days (16.34 yr)  
   first obs. used      2005-03-04  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:49:37  

Additional Information
 Jupiter MOID = 2.26382 au 
 T_jup = 3.456 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.508508500982313E-15 -3.753972600682484E-15 -3.353210842366659E-12 -6.922399304132247E-15 -9.367570311495626E-13 -1.05188046864572E-14
q -3.753972600682484E-15 9.538885795435289E-15 8.243240613153994E-12 1.92943317981279E-14 2.316594907377539E-12 2.788645174140762E-14
tp -3.353210842366659E-12 8.243240613153994E-12 2.370647328616802E-8 4.716610892456927E-11 6.526951494810279E-9 6.389211009370057E-11
node -6.922399304132247E-15 1.92943317981279E-14 4.716610892456927E-11 1.2218533194678E-9 -1.195665577877468E-9 2.193101140431836E-10
peri -9.367570311495626E-13 2.316594907377539E-12 6.526951494810279E-9 -1.195665577877468E-9 3.006881847819619E-9 -1.993491963862289E-10
i -1.05188046864572E-14 2.788645174140762E-14 6.389211009370057E-11 2.193101140431836E-10 -1.993491963862289E-10 9.911117008418408E-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 17.4   n/a MPO534717  

362687 (2011 UN122)          Discovered 2007-Sep-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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