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JPL Small-Body Database Browser
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277152 (2005 MD20)
Classification: Main-belt Asteroid          SPK-ID: 2277152
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048430799343269 6.1397e-08  
a 2.302830960860073 8.9713e-09 au
q 1.831111974269371 1.4069e-07 au
i 6.023903081109689 6.0644e-06 deg
node 166.1065831458971 4.5823e-05 deg
peri 137.7256445158411 4.8648e-05 deg
M 337.789418585015 1.2758e-05 deg
tp 2458679.249706375514
(2019-Jul-14.74970638)
4.5296e-05 TDB
period 1276.413875237771
3.49
7.4589e-06
2.042e-08
d
yr
n .2820401806842934 1.6481e-09 deg/d
Q 2.774549947450776 1.0809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      5240 days (14.35 yr)  
   first obs. used      2005-06-27  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53166  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:21:52  

Additional Information
 Earth MOID = .820763 au 
 Jupiter MOID = 2.48684 au 
 T_jup = 3.555 
[ 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 17.5   n/a MPO437261  

277152 (2005 MD20)          Discovered 2005-Jun-29 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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