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385487 (2003 YJ44)
Classification: Main-belt Asteroid          SPK-ID: 2385487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .149534856268989 4.4006e-08  
a 2.247861615687241 1.1113e-08 au
q 1.911727952072872 9.6168e-08 au
i 2.627151371450129 5.105e-06 deg
node 93.08579886050144 0.00014248 deg
peri 343.8272350798657 0.00014434 deg
M 37.3400685373263 2.4611e-05 deg
tp 2459072.819259145850
(2020-Aug-11.31925915)
8.3816e-05 TDB
period 1230.985065320538
3.37
9.1282e-06
2.499e-08
d
yr
n .2924487145636158 2.1686e-09 deg/d
Q 2.58399527930161 1.2774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      6299 days (17.25 yr)  
   first obs. used      2003-12-19  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:29:51  

Additional Information
 Earth MOID = .926805 au 
 Jupiter MOID = 2.6464 au 
 T_jup = 3.613 
[ 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 18.06   n/a MPCxxxxx  

385487 (2003 YJ44)          Discovered 2003-Dec-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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