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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2816340363364292 1.3401e-07  
a 3.166185514259201 7.4536e-08 au
q 2.27447990808845 4.6385e-07 au
i 10.08524646475719 1.3678e-05 deg
node 91.49284000465745 4.4745e-05 deg
peri 273.9248838728718 5.1612e-05 deg
M 305.1996507132885 3.6141e-05 deg
tp 2459513.744741480560
(2021-Oct-26.24474148)
0.00021593 TDB
period 2057.79905421783
5.63
7.2665e-05
1.989e-07
d
yr
n .1749441954801734 6.1776e-09 deg/d
Q 4.057891120429954 9.5528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      7478 days (20.47 yr)  
   first obs. used      1999-12-31  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .69344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:28:03  

Additional Information
 Earth MOID = 1.29871 au 
 Jupiter MOID = 1.57742 au 
 T_jup = 3.117 
[ 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 16.49   n/a E2021B25  

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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