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357740 (2005 SR7)
Classification: Main-belt Asteroid          SPK-ID: 2357740
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2370493677375721 1.0255e-07  
a 3.095155838022885 2.9567e-08 au
q 2.361451103570305 3.0724e-07 au
i 1.303823827201621 8.872e-06 deg
node 240.7124090927999 0.00035288 deg
peri 134.5534831559214 0.00035325 deg
M 252.1744087913613 1.6388e-05 deg
tp 2459596.219140821621
(2022-Jan-16.71914082)
9.629e-05 TDB
period 1988.942404969644
5.45
2.8499e-05
7.803e-08
d
yr
n .1810007163105834 2.5935e-09 deg/d
Q 3.828860572475464 3.6575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      8970 days (24.56 yr)  
   first obs. used      1994-09-11  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56886  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:36:16  

Additional Information
 Earth MOID = 1.36291 au 
 Jupiter MOID = 1.64331 au 
 T_jup = 3.179 
[ 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 16.3   n/a MPO437510  

357740 (2005 SR7)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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