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515812 (2015 ME52)
Classification: Main-belt Asteroid          SPK-ID: 2515812
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343845062647839 5.3673e-08  
a 2.336910133898841 2.3675e-08 au
q 2.022865619369675 1.2394e-07 au
i 7.535033297991522 5.1143e-06 deg
node 115.5139083851986 5.2164e-05 deg
peri 198.0945538871795 6.2315e-05 deg
M 177.8108538886435 3.0949e-05 deg
tp 2458556.008474009175
(2019-Mar-13.50847401)
0.00010911 TDB
period 1304.852568235238
3.57
1.9829e-05
5.429e-08
d
yr
n .2758932378750544 4.1926e-09 deg/d
Q 2.650954648428007 2.6857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      4061 days (11.12 yr)  
   first obs. used      2010-01-07  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62342  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 18:57:20  

Additional Information
 Earth MOID = 1.00803 au 
 Jupiter MOID = 2.59672 au 
 T_jup = 3.543 
[ 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 17.93   n/a MPCxxxxx  

515812 (2015 ME52)          Discovered 2012-Oct-20 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2018-04-05

Alternate Designations
 2015 ME52 = 2012 VY80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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