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160417 (2004 YL22)
Classification: Main-belt Asteroid          SPK-ID: 2160417
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706104071888283 6.758e-08  
a 2.692687042108086 2.7494e-08 au
q 2.233286609421944 1.8986e-07 au
i 12.86520688917794 4.8035e-06 deg
node 121.1439567980442 3.2203e-05 deg
peri 235.1984882099844 3.496e-05 deg
M 328.7426903066878 1.8695e-05 deg
tp 2459340.628457823044
(2021-May-06.12845782)
8.5143e-05 TDB
period 1613.90232592824
4.42
2.4718e-05
6.767e-08
d
yr
n .2230618261194618 3.4164e-09 deg/d
Q 3.152087474794228 3.2184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6116 days (16.74 yr)  
   first obs. used      2003-08-25  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:27:51  

Additional Information
 Earth MOID = 1.25239 au 
 Jupiter MOID = 2.32764 au 
 T_jup = 3.314 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.99   n/a E2021B55  

160417 (2004 YL22)          Discovered 2004-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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