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JPL Small-Body Database Browser
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19890 (3042 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2019890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .04567250545672976 3.3058e-08  
a 2.22710252654854 7.8672e-09 au
q 2.125385174252055 7.279e-08 au
i 4.193289074742062 4.6256e-06 deg
node 145.5679909181472 4.6143e-05 deg
peri 322.9391116816473 6.8856e-05 deg
M 271.7344636585747 5.0175e-05 deg
tp 2459298.144187927156
(2021-Mar-24.64418793)
0.0001691 TDB
period 1213.972203593658
3.32
6.4325e-06
1.761e-08
d
yr
n .2965471523436129 1.5713e-09 deg/d
Q 2.328819878845025 8.2265e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1043  
   data-arc span      16860 days (46.16 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56764  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:40:13  

Additional Information
 Earth MOID = 1.14364 au 
 Jupiter MOID = 2.69995 au 
 T_jup = 3.640 
[ 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 15.5   n/a MPO337426  

19890 (3042 T-2)          Discovered 1973-Sep-30 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
 3042 T-2 = 1996 NS2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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