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487611 (2015 MA57)
Classification: Main-belt Asteroid          SPK-ID: 2487611
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .155342928478034 5.0865e-08  
a 2.356818802658406 2.4526e-08 au
q 1.990703667961355 1.1173e-07 au
i 5.406120740669784 5.4712e-06 deg
node 118.893503206683 5.1939e-05 deg
peri 234.5629599579974 5.9798e-05 deg
M 81.45199698635493 2.2655e-05 deg
tp 2458701.489145505170
(2019-Aug-05.98914551)		 8.4807e-05 TDB
period 1321.562535000482
3.62		 2.0629e-05
5.648e-08		 d
yr
n .2724048166210074 4.2521e-09 deg/d
Q 2.722933937355457 2.8336e-08 au
   Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      6610 days (18.10 yr)  
   first obs. used      2001-10-24  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54318  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:25:48  

Additional Information
 Earth MOID = .990781 au 
 Jupiter MOID = 2.70609 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 17.3   n/a MPO450509  

487611 (2015 MA57)          Discovered 2008-Sep-03 by OAM at La Sagra
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 MA57 = 2008 RH48 = 2014 DA57 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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