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357756 (2005 SY91)
Classification: Main-belt Asteroid          SPK-ID: 2357756
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1230700042170909 6.0578e-08  
a 3.143112701330963 4.4048e-08 au
q 2.756289807923369 1.7553e-07 au
i 11.9705451293873 7.2981e-06 deg
node 20.25499849541166 2.6433e-05 deg
peri 81.69270930437365 4.1583e-05 deg
M 165.275835719303 3.0171e-05 deg
tp 2458066.073345068534
(2017-Nov-08.57334507)
0.00016944 TDB
period 2035.346512158277
5.57
4.2786e-05
1.171e-07
d
yr
n .1768740594535211 3.7181e-09 deg/d
Q 3.529935594738556 4.9469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      9011 days (24.67 yr)  
   first obs. used      1994-10-28  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:32:20  

Additional Information
 Earth MOID = 1.80523 au 
 Jupiter MOID = 1.73991 au 
 T_jup = 3.165 
[ 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 15.8   n/a MPO437510  

357756 (2005 SY91)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2005 SY91 = 1994 UN5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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