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277258 (2005 SD5)
Classification: Main-belt Asteroid          SPK-ID: 2277258
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2200748969547035 7.5417e-08  
a 2.213248258983197 1.1809e-08 au
q 1.726167876452293 1.6418e-07 au
i 4.674277485784244 5.9361e-06 deg
node 22.58072214063069 4.7637e-05 deg
peri 293.533525187279 4.9543e-05 deg
M 186.3376785772501 1.7684e-05 deg
tp 2459580.658587608308
(2022-Jan-01.15858761)
6.2004e-05 TDB
period 1202.662096348266
3.29
9.6251e-06
2.635e-08
d
yr
n .299335949052602 2.3956e-09 deg/d
Q 2.700328641514101 1.4407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      6293 days (17.23 yr)  
   first obs. used      2002-11-04  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:10:58  

Additional Information
 Earth MOID = .719553 au 
 Jupiter MOID = 2.61003 au 
 T_jup = 3.619 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO455058  

277258 (2005 SD5)          Discovered 2005-Sep-23 by LONEOS at Anderson Mesa
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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