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437855 (1999 YE16)
Classification: Main-belt Asteroid          SPK-ID: 2437855
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 .2817246947029827 1.3545e-07  
a 3.163770565382584 7.5889e-08 au
q 2.272458268739892 4.6749e-07 au
i 10.08814290801596 1.5743e-05 deg
node 91.49089046406401 5.708e-05 deg
peri 274.0844078585346 6.4589e-05 deg
M 270.0404771228845 3.6354e-05 deg
tp 2459514.130188410774
(2021-Oct-26.63018841)
0.00022176 TDB
period 2055.445181500806
5.63
7.3956e-05
2.025e-07
d
yr
n .1751445396063261 6.3018e-09 deg/d
Q 4.055082862025276 9.7269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      7067 days (19.35 yr)  
   first obs. used      1999-12-31  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:10:45  

Additional Information
 Earth MOID = 1.29825 au 
 Jupiter MOID = 1.57897 au 
 T_jup = 3.118 
[ 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 16.3   n/a MPO456080  

437855 (1999 YE16)          Discovered 1999-Dec-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-07-06

[ show close-approach data ]
Alternate Designations
 1999 YE16 = 2010 ON42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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