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227508 (2005 YS2)
Classification: Main-belt Asteroid          SPK-ID: 2227508
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07211149517380325 4.587e-08  
a 2.461406720244542 1.6119e-08 au
q 2.283911001416861 1.2037e-07 au
i 7.601259856935272 4.9898e-06 deg
node 88.42916396793667 4.0796e-05 deg
peri 42.08437941468433 5.88e-05 deg
M 266.708503630365 4.3521e-05 deg
tp 2459566.021610180029
(2021-Dec-17.52161018)
0.00017202 TDB
period 1410.501329547119
3.86
1.3855e-05
3.793e-08
d
yr
n .2552284017453483 2.5071e-09 deg/d
Q 2.638902439072224 1.7281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      7026 days (19.24 yr)  
   first obs. used      2001-10-17  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51813  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:11:37  

Additional Information
 Earth MOID = 1.30532 au 
 Jupiter MOID = 2.40768 au 
 T_jup = 3.474 
[ 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 16.5   n/a MPO437078  

227508 (2005 YS2)          Discovered 2005-Dec-21 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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