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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446857578832573 9.9876e-08  
a 2.782571544902351 2.2148e-08 au
q 2.379973072063768 2.8511e-07 au
i 6.055221279031426 7.1618e-06 deg
node 99.91266879225407 0.00011266 deg
peri 331.866176533109 0.00012598 deg
M 172.4666564091496 5.1591e-05 deg
tp 2458188.285797435756
(2018-Mar-10.78579744)
0.00023882 TDB
period 1695.38343823088
4.64
2.0242e-05
5.542e-08
d
yr
n .2123413452567741 2.5352e-09 deg/d
Q 3.185170017740934 2.5353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   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      .57684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:35:12  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1911-Oct-30 15:11 00:17 Vesta 0.00195098481303724 0.00194211027983837 0.00196093826857009 3.64054816039596 3.64053188806074 2419340.132340017 17.4167524224781 2392.64078002144 112.319619472786 79.0673105244043 2536.63308088448 T 15 CATAB v2.0f-lin.ifort 2020-Feb-26 03:35:19 2020-Feb-26 03:35
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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