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JPL Small-Body Database Browser
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382444 (1999 YK2)
Classification: Main-belt Asteroid          SPK-ID: 2382444
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446857494528488 9.994e-08  
a 2.78257154664241 2.2179e-08 au
q 2.37997309701028 2.8525e-07 au
i 6.055223586611389 7.2038e-06 deg
node 99.91269071640346 0.00011268 deg
peri 331.8661579563798 0.000126 deg
M 172.4666512895494 5.1608e-05 deg
tp 2458188.285820784126
(2018-Mar-10.78582078)
0.00023889 TDB
period 1695.383439821172
4.64
2.027e-05
5.55e-08
d
yr
n .2123413450575951 2.5387e-09 deg/d
Q 3.18516999627454 2.5388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      7021 days (19.22 yr)  
   first obs. used      1999-12-16  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5791  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:40:13  

Additional Information
 Earth MOID = 1.39682 au 
 Jupiter MOID = 2.0823 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 17.0   n/a MPO427903  

382444 (1999 YK2)          Discovered 1999-Dec-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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