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277268 (2005 SR50)
Classification: Main-belt Asteroid          SPK-ID: 2277268
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1527829976609287 8.7734e-08  
a 2.32276075114682 1.0071e-08 au
q 1.967882400737458 2.0648e-07 au
i 4.932715515855168 8.0558e-06 deg
node 21.98936296909843 5.8125e-05 deg
peri 323.8366217864433 6.0623e-05 deg
M 132.1622913933192 1.5392e-05 deg
tp 2458725.809867289030
(2019-Aug-30.30986729)
5.4819e-05 TDB
period 1293.019710647872
3.54
8.4097e-06
2.302e-08
d
yr
n .2784180295438968 1.8108e-09 deg/d
Q 2.677639101556181 1.161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6204 days (16.99 yr)  
   first obs. used      2004-03-23  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55622  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:29:44  

Additional Information
 Earth MOID = .961831 au 
 Jupiter MOID = 2.7302 au 
 T_jup = 3.556 
[ 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 17.57   n/a MPCxxxxx  

277268 (2005 SR50)          Discovered 2005-Sep-24 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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