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56391 (2000 ET97)
Classification: Main-belt Asteroid          SPK-ID: 2056391
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128608819262174 2.8655e-08  
a 2.243916777718829 7.7021e-09 au
q 1.990666351216446 6.7051e-08 au
i 3.776093373380826 4.8734e-06 deg
node 354.043371157522 4.8241e-05 deg
peri 260.0877954628155 5.3906e-05 deg
M 316.4568635514772 2.2627e-05 deg
tp 2459148.999760495905
(2020-Oct-26.49976050)
7.7116e-05 TDB
period 1227.74604998257
3.36
6.3213e-06
1.731e-08
d
yr
n .2932202469762464 1.5097e-09 deg/d
Q 2.497167204221212 8.5714e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      10399 days (28.47 yr)  
   first obs. used      1991-11-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51252  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:07:53  

Additional Information
 Earth MOID = .980363 au 
 Jupiter MOID = 2.54262 au 
 T_jup = 3.621 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO459238  

56391 (2000 ET97)          Discovered 2000-Mar-11 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 ET97 = 2001 SA165 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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