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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2264984225720149 5.1841e-08  
a 2.242239704056463 7.8e-09 au
q 1.734375948059333 1.1772e-07 au
i 2.567553252705187 5.1681e-06 deg
node 195.714762153191 8.2615e-05 deg
peri 180.1631791327524 8.3118e-05 deg
M 117.7102292620539 9.6777e-06 deg
tp 2458199.510325731989
(2018-Mar-22.01032573)
3.1905e-05 TDB
period 1226.369905499962
3.36
6.3992e-06
1.752e-08
d
yr
n .2935492777387069 1.5317e-09 deg/d
Q 2.750103460053594 9.5667e-09 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      7976 days (21.84 yr)  
   first obs. used      1997-06-26  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56553  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:27:34  

Additional Information
 Earth MOID = .734868 au 
 Jupiter MOID = 2.71033 au 
 T_jup = 3.598 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456460.5 (2013-Jun-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2257247808546866 5.1785e-08  
q 1.736512209031206 1.1758e-07 au
tp 2456971.271884834883
(2014-Nov-09.77188483)
2.9683e-05 TDB
node 195.7788115265964 8.2815e-05 deg
peri 179.8518499303587 8.3321e-05 deg
i 2.562778669244708 5.1661e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      7976 days (21.84 yr)  
   first obs. used      1997-06-26  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56553  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:27:34  

Additional Information
 Jupiter MOID = 2.71033 au 
 T_jup = 3.598 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.681634774449086E-15 -6.08096314541763E-15 -8.689938522623041E-13 -2.443315319393427E-14 -2.42251800701886E-13 -3.387814998182227E-15
q -6.08096314541763E-15 1.382402256285904E-14 2.005470275051342E-12 5.566772101382567E-14 5.546884630976273E-13 7.692281652245613E-15
tp -8.689938522623041E-13 2.005470275051342E-12 8.81065207406914E-10 1.236535937632438E-11 2.808231429028489E-10 1.081541302200732E-12
node -2.443315319393427E-14 5.566772101382567E-14 1.236535937632438E-11 6.858291441544757E-9 -6.846812545696579E-9 -1.835935749472404E-10
peri -2.42251800701886E-13 5.546884630976273E-13 2.808231429028489E-10 -6.846812545696579E-9 6.942437681468878E-9 1.837786311427751E-10
i -3.387814998182227E-15 7.692281652245613E-15 1.081541302200732E-12 -1.835935749472404E-10 1.837786311427751E-10 2.668820090550942E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO453285  
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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