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227521 (2005 YE42)
Classification: Main-belt Asteroid          SPK-ID: 2227521
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02021221490991508 5.101e-08  
a 2.808450500615379 2.3872e-08 au
q 2.751685495533082 1.4285e-07 au
i 7.652818028540799 5.0222e-06 deg
node 294.2080672495498 3.8805e-05 deg
peri 24.12369865453128 0.00012906 deg
M 215.9174755010859 0.00012567 deg
tp 2459888.530033135651
(2022-Nov-05.03003314)
0.00060213 TDB
period 1719.089895115636
4.71
2.1918e-05
6.001e-08
d
yr
n .2094131325085733 2.67e-09 deg/d
Q 2.865215505697676 2.4354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      9651 days (26.42 yr)  
   first obs. used      1994-09-09  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52305  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:05  

Additional Information
 Earth MOID = 1.7366 au 
 Jupiter MOID = 2.24836 au 
 T_jup = 3.309 
[ 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 MPO533585  

227521 (2005 YE42)          Discovered 2005-Dec-22 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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