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85263 (1993 TU37)
Classification: Main-belt Asteroid          SPK-ID: 2085263
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2138266801182364 4.0394e-08  
a 2.421992383635308 1.9369e-08 au
q 1.904105792970916 1.0215e-07 au
i 5.486036722309056 7.1136e-06 deg
node 79.62573561819526 5.1394e-05 deg
peri 263.7800950730269 5.5067e-05 deg
M 50.16992240167018 2.1817e-05 deg
tp 2458808.633781968379
(2019-Nov-21.13378197)
8.211e-05 TDB
period 1376.757929549523
3.77
1.6515e-05
4.522e-08
d
yr
n .2614838761944103 3.1367e-09 deg/d
Q 2.939878974299701 2.3511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      8951 days (24.51 yr)  
   first obs. used      1993-10-09  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5727  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:45:15  

Additional Information
 Earth MOID = .905832 au 
 Jupiter MOID = 2.48485 au 
 T_jup = 3.475 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456488.5 (2013-Jul-15.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2143094331722644 4.0608e-08  
q 1.903476074720815 1.0291e-07 au
tp 2456056.672206563247
(2012-May-09.17220656)
6.9189e-05 TDB
node 79.65950762404168 5.1393e-05 deg
peri 264.0738690420201 5.505e-05 deg
i 5.486315290995942 7.1143e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      8951 days (24.51 yr)  
   first obs. used      1993-10-09  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5727  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:45:15  

Additional Information
 Jupiter MOID = 2.48485 au 
 T_jup = 3.475 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.649029371052819E-15 -4.1351911995624E-15 6.426009112202296E-13 -1.503597899487077E-14 1.883227707399009E-13 9.839415721589552E-16
q -4.1351911995624E-15 1.059056635338221E-14 -1.390241657982405E-12 3.142009393183393E-14 -3.91704426651234E-13 -1.968198175979881E-15
tp 6.426009112202296E-13 -1.390241657982405E-12 4.787103858515022E-9 -7.378529098330362E-11 1.383483045682412E-9 -3.273072750217415E-13
node -1.503597899487077E-14 3.142009393183393E-14 -7.378529098330362E-11 2.641211906485523E-9 -2.648525966292463E-9 -1.129680350054517E-10
peri 1.883227707399009E-13 -3.91704426651234E-13 1.383483045682412E-9 -2.648525966292463E-9 3.030461192142024E-9 1.124110959547714E-10
i 9.839415721589552E-16 -1.968198175979881E-15 -3.273072750217415E-13 -1.129680350054517E-10 1.124110959547714E-10 5.061323556846212E-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 MPO436372  

85263 (1993 TU37)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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