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JPL Small-Body Database Browser
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277970 (2006 SR391)
Classification: Main-belt Asteroid          SPK-ID: 2277970
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 .1376862298320001 1.1715e-07  
a 2.573577283196399 2.8774e-08 au
q 2.219231129891805 3.1777e-07 au
i 4.01567118839567 9.2366e-06 deg
node 191.5214792870532 8.6977e-05 deg
peri 149.5633760688874 9.1716e-05 deg
M 48.37601310699525 2.3972e-05 deg
tp 2458397.856899812160
(2018-Oct-06.35689981)
0.00010032 TDB
period 1508.010093892449
4.13
2.529e-05
6.924e-08
d
yr
n .2387251925289004 4.0036e-09 deg/d
Q 2.927923436500993 3.2736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      1998-12-26  
   last obs. used      2018-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57564  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:34:29  

Additional Information
 Earth MOID = 1.21122 au 
 Jupiter MOID = 2.46144 au 
 T_jup = 3.412 
[ 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 MPO455063  

277970 (2006 SR391)          Discovered 2006-Sep-18 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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