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85272 (1994 BE2)
Classification: Main-belt Asteroid          SPK-ID: 2085272
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03791372323144759 4.2219e-08  
a 2.723284115767636 1.5745e-08 au
q 2.620034275521825 1.1233e-07 au
i .8016921833524474 3.9122e-06 deg
node 280.9509050281317 0.00033733 deg
peri 16.36509546293338 0.00034282 deg
M 43.86109859776343 6.2039e-05 deg
tp 2458400.506969720649
(2018-Oct-09.00696972)
0.00028273 TDB
period 1641.488544571882
4.49
1.4236e-05
3.898e-08
d
yr
n .2193131357452707 1.902e-09 deg/d
Q 2.826533956013448 1.6342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      9413 days (25.77 yr)  
   first obs. used      1994-01-18  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54571  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:10:21  

Additional Information
 Earth MOID = 1.60341 au 
 Jupiter MOID = 2.24087 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456684.5 (2014-Jan-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03990045753479837 4.2465e-08  
q 2.615481888447496 1.1336e-07 au
tp 2456763.093725708076
(2014-Apr-15.59372571)
0.00026717 TDB
node 281.2728879122185 0.00033773 deg
peri 17.15147654340016 0.00034266 deg
i .8007033015131194 3.9138e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      9413 days (25.77 yr)  
   first obs. used      1994-01-18  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54571  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:10:21  

Additional Information
 Jupiter MOID = 2.24087 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.80325606695137E-15 -4.773083474774634E-15 3.30278062118096E-12 7.541812735005567E-15 6.471544801378679E-13 -1.247141828613513E-16
q -4.773083474774634E-15 1.285123160266309E-14 -8.920541428982049E-12 -1.754506098458703E-14 -1.757045199461407E-12 4.52611624709879E-16
tp 3.30278062118096E-12 -8.920541428982049E-12 7.137739227987587E-8 -2.16671909746111E-12 1.549127638631155E-8 -1.273817138763105E-12
node 7.541812735005567E-15 -1.754506098458703E-14 -2.16671909746111E-12 1.140622170552065E-7 -1.14051536876357E-7 1.897127740240621E-10
peri 6.471544801378679E-13 -1.757045199461407E-12 1.549127638631155E-8 -1.14051536876357E-7 1.174135490860259E-7 -1.899693000736244E-10
i -1.247141828613513E-16 4.52611624709879E-16 -1.273817138763105E-12 1.897127740240621E-10 -1.899693000736244E-10 1.531774711592444E-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 15.9   n/a MPO453283  
diameter diameter 4.575 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85272 (1994 BE2)          Discovered 1994-Jan-18 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1994 BE2 = 1999 CH135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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