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150825 (2001 SR8)
Classification: Main-belt Asteroid          SPK-ID: 2150825
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469455541846411 5.1376e-08  
a 2.43250797087066 9.196e-09 au
q 2.075061739032514 1.2603e-07 au
i 1.005608418414904 6.0199e-06 deg
node 186.5556394017638 0.00021958 deg
peri 172.1315248034207 0.00022006 deg
M 34.1439689039964 1.3362e-05 deg
tp 2459069.070959786802
(2020-Aug-07.57095979)
5.14e-05 TDB
period 1385.733879086718
3.79
7.8581e-06
2.151e-08
d
yr
n .2597901411180491 1.4732e-09 deg/d
Q 2.789954202708806 1.0547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      8035 days (22.00 yr)  
   first obs. used      1999-01-11  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57803  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:40:14  

Additional Information
 Earth MOID = 1.06963 au 
 Jupiter MOID = 2.65452 au 
 T_jup = 3.492 
[ 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 16.85   n/a E2021B55  

150825 (2001 SR8)          Discovered 2001-Sep-18 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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