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86554 (2000 EH9)
Classification: Main-belt Asteroid          SPK-ID: 2086554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2481788302036325 4.0226e-08  
a 2.245986829442995 1.3193e-08 au
q 1.688580445459067 9.2453e-08 au
i 8.145010450012434 5.8531e-06 deg
node 318.714726587578 3.4331e-05 deg
peri 325.8267535902748 3.877e-05 deg
M 320.7175495476516 2.3638e-05 deg
tp 2459334.654518640347
(2021-Apr-30.15451864)
8.1579e-05 TDB
period 1229.445366935805
3.37
1.0833e-05
2.966e-08
d
yr
n .2928149633010877 2.58e-09 deg/d
Q 2.803393213426923 1.6467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      9907 days (27.12 yr)  
   first obs. used      1993-01-31  
   last obs. used      2020-03-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:19:34  

Additional Information
 Earth MOID = .677592 au 
 Jupiter MOID = 2.39777 au 
 T_jup = 3.577 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457116.5 (2015-Apr-04.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2485057321826972 4.0217e-08  
q 1.687902667881913 9.2445e-08 au
tp 2456875.165696967410
(2014-Aug-05.66569697)
6.741e-05 TDB
node 318.7614258390375 3.4311e-05 deg
peri 325.7700309712828 3.8747e-05 deg
i 8.147815259659488 5.8547e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      9907 days (27.12 yr)  
   first obs. used      1993-01-31  
   last obs. used      2020-03-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:19:34  

Additional Information
 Jupiter MOID = 2.39777 au 
 T_jup = 3.577 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.617382978529029E-15 -3.696990921792385E-15 4.447852125501398E-13 4.361203910056436E-16 1.265002954346017E-13 2.043296236228033E-15
q -3.696990921792385E-15 8.546083079756558E-15 -6.299149618192667E-13 -3.503106421351335E-15 -1.856951206915607E-13 -5.087079508766685E-15
tp 4.447852125501398E-13 -6.299149618192667E-13 4.544142871271164E-9 -4.457440568252615E-11 1.237238382373809E-9 -9.256586045273019E-12
node 4.361203910056436E-16 -3.503106421351335E-15 -4.457440568252615E-11 1.177253436358381E-9 -1.176219769260636E-9 7.064410016237277E-11
peri 1.265002954346017E-13 -1.856951206915607E-13 1.237238382373809E-9 -1.176219769260636E-9 1.501312933805306E-9 -7.221801892479763E-11
i 2.043296236228033E-15 -5.087079508766685E-15 -9.256586045273019E-12 7.064410016237277E-11 -7.221801892479763E-11 3.427808673425569E-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 16.27   n/a E2021B10  

86554 (2000 EH9)          Discovered 2000-Mar-03 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1932-Aug-05 13:59 < 00:01 Hebe 0.0306344206499044 0.0306258095909433 0.0306430346381756 9.16698751602593 9.16698749388881 2426925.082678169 0.521722859851765 640.649323450943 49.0123995686239 -48.0977080168826 69747.0094369359 T 12 CATAB v2.0f-lin.ifort 2021-Apr-13 14:19:35 2021-Apr-13 14:19

Alternate Designations
 2000 EH9 = 1994 PU35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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