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215334 (2001 UN165)
Classification: Main-belt Asteroid          SPK-ID: 2215334
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608853069707373 6.9874e-08  
a 2.814442548013043 1.5253e-08 au
q 2.361640094724461 1.9716e-07 au
i 10.21482364799294 6.4084e-06 deg
node 71.23772365745138 3.6256e-05 deg
peri 317.0476940917254 4.1993e-05 deg
M 332.2999189103144 1.6868e-05 deg
tp 2459133.198357735025
(2020-Oct-10.69835773)
8.0596e-05 TDB
period 1724.59454649024
4.72
1.402e-05
3.838e-08
d
yr
n .2087447166829119 1.6969e-09 deg/d
Q 3.267245001301626 1.7707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      7005 days (19.18 yr)  
   first obs. used      2001-09-12  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55753  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:50:54  

Additional Information
 Earth MOID = 1.37932 au 
 Jupiter MOID = 2.18939 au 
 T_jup = 3.278 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457641.5 (2016-Sep-10.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1640602621988584 7.0657e-08  
q 2.351714446259566 2.0022e-07 au
tp 2457402.644993888544
(2016-Jan-15.14499389)
7.9674e-05 TDB
node 71.29457135140677 3.6295e-05 deg
peri 316.0730072599935 4.1645e-05 deg
i 10.2146467289273 6.4232e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      7005 days (19.18 yr)  
   first obs. used      2001-09-12  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55753  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:50:54  

Additional Information
 Jupiter MOID = 2.18939 au 
 T_jup = 3.278 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.992475779852696E-15 -1.411926082305194E-14 4.627782668169093E-13 -6.258219314026909E-14 1.99862323684456E-13 -2.416368438205792E-14
q -1.411926082305194E-14 4.008647319096733E-14 -1.610117905313296E-12 1.77798739342233E-13 -6.351059796442026E-13 6.842011420159298E-14
tp 4.627782668169093E-13 -1.610117905313296E-12 6.347910208738342E-9 -9.361312397706408E-12 1.678959362830996E-9 -1.040735704492298E-12
node -6.258219314026909E-14 1.77798739342233E-13 -9.361312397706408E-12 1.317330045588188E-9 -1.298334865155274E-9 -1.33848770691302E-10
peri 1.99862323684456E-13 -6.351059796442026E-13 1.678959362830996E-9 -1.298334865155274E-9 1.73427270542951E-9 1.313165655935904E-10
i -2.416368438205792E-14 6.842011420159298E-14 -1.040735704492298E-12 -1.33848770691302E-10 1.313165655935904E-10 4.12576529667043E-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 16.1   n/a MPO446199  

215334 (2001 UN165)          Discovered 2001-Oct-23 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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