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227520 (2005 YY40)
Classification: Main-belt Asteroid          SPK-ID: 2227520
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07232058358697789 7.4396e-08  
a 2.859618177892651 2.7351e-08 au
q 2.652808922431524 2.0619e-07 au
i 2.351275131564848 6.3419e-06 deg
node 159.5016149343699 0.00011379 deg
peri 233.7078530401664 0.00013168 deg
M 77.56143154721268 5.8256e-05 deg
tp 2458819.956931313574
(2019-Dec-02.45693131)
0.00028765 TDB
period 1766.283860345232
4.84
2.5341e-05
6.938e-08
d
yr
n .203817748710921 2.9241e-09 deg/d
Q 3.066427433353778 2.9329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6910 days (18.92 yr)  
   first obs. used      2002-03-12  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5678  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:05  

Additional Information
 Earth MOID = 1.65824 au 
 Jupiter MOID = 2.26026 au 
 T_jup = 3.297 
[ 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 16.9   n/a MPO494248  

227520 (2005 YY40)          Discovered 2005-Dec-21 by Spacewatch at Kitt Peak
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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