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469329 (1999 YJ5)
Classification: Mars-crossing Asteroid          SPK-ID: 2469329
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3511613201201116 7.5553e-07  
a 2.30349632610786 1.1887e-08 au
q 1.494597515339997 1.7384e-06 au
i 22.90629627958893 5.0267e-05 deg
node 314.7206158570678 5.0579e-05 deg
peri 108.4931568610844 9.425e-05 deg
M 310.8877894469442 5.9425e-05 deg
tp 2459174.707438185707
(2020-Nov-21.20743819)
0.00021132 TDB
period 1276.967113486048
3.50
9.8842e-06
2.706e-08
d
yr
n .2819179884885371 2.1821e-09 deg/d
Q 3.112395136875723 1.6061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      6136 days (16.80 yr)  
   first obs. used      1999-10-20  
   last obs. used      2016-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44781  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:39:30  

Additional Information
 Earth MOID = .649985 au 
 Jupiter MOID = 2.52887 au 
 T_jup = 3.407 
[ 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 16.9   n/a MPO281843  

469329 (1999 YJ5)          Discovered 1999-Dec-28 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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