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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2481788308538476 4.0226e-08  
a 2.245986828713151 1.3193e-08 au
q 1.68858044344998 9.2453e-08 au
i 8.145010434205766 5.8531e-06 deg
node 318.7147265840806 3.4331e-05 deg
peri 325.8267536076676 3.877e-05 deg
M 320.7175498918355 2.3638e-05 deg
tp 2459334.654517399525
(2021-Apr-30.15451740)
8.1579e-05 TDB
period 1229.445366336534
3.37
1.0833e-05
2.966e-08
d
yr
n .292814963443815 2.58e-09 deg/d
Q 2.803393213976322 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:56:56  

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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2485057330312074 4.0217e-08  
q 1.687902664929366 9.2445e-08 au
tp 2456875.165697874515
(2014-Aug-05.66569787)
6.741e-05 TDB
node 318.7614257563272 3.4311e-05 deg
peri 325.7700311364424 3.8747e-05 deg
i 8.14781525228126 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:56:56  

Additional Information
 Jupiter MOID = 2.39777 au 
 T_jup = 3.577 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.617383438722853E-15 -3.696992614581166E-15 4.447855695403571E-13 4.360872762412737E-16 1.265002972206835E-13 2.04329035832682E-15
q -3.696992614581166E-15 8.54608834014609E-15 -6.299184680873496E-13 -3.502976380284385E-15 -1.856958216867631E-13 -5.087055398092894E-15
tp 4.447855695403571E-13 -6.299184680873496E-13 4.544142579934407E-9 -4.457435613770767E-11 1.237237650996317E-9 -9.256580365213675E-12
node 4.360872762412737E-16 -3.502976380284385E-15 -4.457435613770767E-11 1.177253416929586E-9 -1.176219727991904E-9 7.064409893042881E-11
peri 1.265002972206835E-13 -1.856958216867631E-13 1.237237650996317E-9 -1.176219727991904E-9 1.501312575704632E-9 -7.221801439685762E-11
i 2.04329035832682E-15 -5.087055398092894E-15 -9.256580365213675E-12 7.064409893042881E-11 -7.221801439685762E-11 3.427808657390038E-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

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