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JPL Small-Body Database Browser
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19894 (5124 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2019894
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157282798450997 4.905e-08  
a 2.681785015769312 1.4525e-08 au
q 2.371426648979966 1.3445e-07 au
i 11.89671762519552 4.3868e-06 deg
node 236.545770843141 2.3936e-05 deg
peri 323.6866835476001 3.0194e-05 deg
M 31.54570968818432 2.0356e-05 deg
tp 2458859.936627625758
(2020-Jan-11.43662763)		 9.0216e-05 TDB
period 1604.110814272814
4.39		 1.3032e-05
3.568e-08		 d
yr
n .2244233981822494 1.8232e-09 deg/d
Q 2.992143382558658 1.6206e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1206  
   data-arc span      16934 days (46.36 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:57:58  

Additional Information
 Earth MOID = 1.37732 au 
 Jupiter MOID = 2.02608 au 
 T_jup = 3.336 
[ 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 13.9   n/a MPO247534  
diameter diameter 5.292 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.132   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19894 (5124 T-2)          Discovered 1973-Sep-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 5124 T-2 = 1976 JT7 = 1998 KR21 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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