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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554280661611907 5.0647e-08  
a 2.356951275857118 2.222e-08 au
q 1.990614897014495 1.1171e-07 au
i 5.406146706532057 5.3889e-06 deg
node 118.8931829006833 5.0625e-05 deg
peri 234.5940251120105 5.5739e-05 deg
M 135.8858186006492 1.8837e-05 deg
tp 2458701.620144092905
(2019-Aug-06.12014409)
7.0106e-05 TDB
period 1321.67396109498
3.62
1.869e-05
5.117e-08
d
yr
n .2723818510442221 3.8518e-09 deg/d
Q 2.723287654699741 2.5674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      7086 days (19.40 yr)  
   first obs. used      2001-10-24  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56054  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:12:35  

Additional Information
 Earth MOID = .98897 au 
 Jupiter MOID = 2.7063 au 
 T_jup = 3.531 
[ 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 17.50   n/a MPCxxxxx  

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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