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215643 (2003 UJ27)
Classification: Main-belt Asteroid          SPK-ID: 2215643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1987302119717666 6.1982e-08  
a 2.236984182143008 1.2854e-08 au
q 1.792427841448239 1.4358e-07 au
i 6.859910532043449 5.7021e-06 deg
node 97.08575465096027 4.6887e-05 deg
peri 229.0014677820374 4.9178e-05 deg
M 33.12677944166614 2.0896e-05 deg
tp 2458888.047397174425
(2020-Feb-08.54739717)
7.0227e-05 TDB
period 1222.060752645586
3.35
1.0533e-05
2.884e-08
d
yr
n .2945843725204756 2.5392e-09 deg/d
Q 2.681540522837778 1.5409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      5698 days (15.60 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:25:44  

Additional Information
 Earth MOID = .788954 au 
 Jupiter MOID = 2.65452 au 
 T_jup = 3.602 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456887.5 (2014-Aug-18.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1982457126064725 6.1806e-08  
q 1.794501436843265 1.4305e-07 au
tp 2456442.639576557405
(2013-May-30.13957656)
5.7251e-05 TDB
node 97.14757013870647 4.6826e-05 deg
peri 228.8836001320923 4.916e-05 deg
i 6.862975659830479 5.7046e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      5698 days (15.60 yr)  
   first obs. used      2003-10-19  
   last obs. used      2019-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:25:44  

Additional Information
 Jupiter MOID = 2.65452 au 
 T_jup = 3.602 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.819974528618575E-15 -8.823239095184154E-15 -1.331580975401904E-12 -4.52855089061763E-15 -2.85439568747871E-13 2.981249617596336E-18
q -8.823239095184154E-15 2.04647141058576E-14 3.28963538174772E-12 1.462977419721649E-14 7.176491903396355E-13 7.257381704741631E-16
tp -1.331580975401904E-12 3.28963538174772E-12 3.277689471574975E-9 1.168145944619689E-11 8.856965199239358E-10 4.901063287837717E-12
node -4.52855089061763E-15 1.462977419721649E-14 1.168145944619689E-11 2.192651669423261E-9 -2.17282071010838E-9 3.278121792998265E-11
peri -2.85439568747871E-13 7.176491903396355E-13 8.856965199239358E-10 -2.17282071010838E-9 2.416698379772979E-9 -3.112142985517156E-11
i 2.981249617596336E-18 7.257381704741631E-16 4.901063287837717E-12 3.278121792998265E-11 -3.112142985517156E-11 3.254207846836519E-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 16.8   n/a MPO281145  

215643 (2003 UJ27)          Discovered 2003-Oct-23 by Tucker, R. A. at Goodricke-Pigott
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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