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85476 (1997 MY)
Classification: Main-belt Asteroid          SPK-ID: 2085476
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2265065687060464 4.4786e-08  
a 2.242271521671012 7.6439e-09 au
q 1.734382293190026 1.0272e-07 au
i 2.567504461576784 4.198e-06 deg
node 195.7112035605601 6.6093e-05 deg
peri 180.101555579738 6.6454e-05 deg
M 235.2277480476539 9.0414e-06 deg
tp 2459425.556088435262
(2021-Jul-30.05608844)
3.2435e-05 TDB
period 1226.39600906728
3.36
6.2711e-06
1.717e-08
d
yr
n .2935430296073724 1.501e-09 deg/d
Q 2.750160750151998 9.3752e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      8420 days (23.05 yr)  
   first obs. used      1997-06-26  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54804  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:51  

Additional Information
 Earth MOID = .735653 au 
 Jupiter MOID = 2.71345 au 
 T_jup = 3.598 
[ 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 15.7   n/a MPO468824  
diameter diameter 2.279 km 0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.215   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

85476 (1997 MY)          Discovered 1997-Jun-26 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 MY = 2001 XK85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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