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28538 Ruisong (2000 DY106)
Classification: Main-belt Asteroid          SPK-ID: 2028538
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384104722356538 3.0329e-08  
a 2.354997136356203 7.7365e-09 au
q 2.029040870599529 7.1353e-08 au
i 6.879391362582023 3.5583e-06 deg
node 54.81767732508959 2.8421e-05 deg
peri 251.6368792903737 3.1329e-05 deg
M 198.3027849223666 1.2512e-05 deg
tp 2459989.403537111782
(2023-Feb-13.90353711)
4.6065e-05 TDB
period 1320.030609418741
3.61
6.5047e-06
1.781e-08
d
yr
n .2727209486138518 1.3439e-09 deg/d
Q 2.680953402112878 8.8073e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1476  
   data-arc span      16239 days (44.46 yr)  
   first obs. used      1976-10-22  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55707  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:33:59  

Additional Information
 Earth MOID = 1.02622 au 
 Jupiter MOID = 2.5468 au 
 T_jup = 3.532 
[ 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 15.12   n/a MPCxxxxx  

28538 Ruisong           Discovered 2000 Feb. 29 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Rui Song (b. 1995) was awarded second place in the 2011 Intel International Science and Engineering Fair for her plant sciences project. She attends the Walter Murray Collegiate Institute, Saskatoon, Saskatchewan, Canada.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 2000 DY106 = 1976 UY15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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