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JPL Small-Body Database Browser
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19903 (3464 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2019903
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .211782102590356 4.9971e-08  
a 2.439651018759824 8.9178e-09 au
q 1.922976596420164 1.2081e-07 au
i 2.558887200097026 5.5895e-06 deg
node 7.041232530908794 7.5321e-05 deg
peri 352.2121027953688 7.5905e-05 deg
M 81.66038978921634 8.0964e-06 deg
tp 2458684.782296565585
(2019-Jul-20.28229657)
3.113e-05 TDB
period 1391.842159090434
3.81
7.6316e-06
2.089e-08
d
yr
n .2586500183578713 1.4182e-09 deg/d
Q 2.956325441099484 1.0806e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      15452 days (42.31 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48113  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:57:59  

Additional Information
 Earth MOID = .919542 au 
 Jupiter MOID = 2.49438 au 
 T_jup = 3.470 
[ 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 16.2   n/a MPO449097  

19903 (3464 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3464 T-3 = 1996 RX4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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