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JPL Small-Body Database Browser
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19884 (4125 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2019884
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1267923670411979 4.8521e-08  
a 2.124330738398265 6.6834e-09 au
q 1.854981815698373 1.0611e-07 au
i 2.020497846997485 2.9507e-06 deg
node 55.36697962616272 0.00012537 deg
peri 271.6530421294864 0.00012599 deg
M 186.7793613150772 1.2716e-05 deg
tp 2459544.662690094507
(2021-Nov-26.16269009)		 4.1036e-05 TDB
period 1130.919328789391
3.10		 5.337e-06
1.461e-08		 d
yr
n .3183250925469346 1.5022e-09 deg/d
Q 2.393679661098157 7.5308e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1414  
   data-arc span      17849 days (48.87 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53954  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:57:58  

Additional Information
 Earth MOID = .844676 au 
 Jupiter MOID = 2.88902 au 
 T_jup = 3.716 
[ 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 15.5   n/a MPO452452  

19884 (4125 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4125 T-1 = 1996 HP11 = 1997 WJ43 = 1999 GH31 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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