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JPL Small-Body Database Browser
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19901 (2191 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2019901
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090937773709967 3.5792e-08  
a 2.752136746797065 1.3272e-08 au
q 2.451895753247447 9.9446e-08 au
i 3.943004781633338 4.9804e-06 deg
node 342.5372638285444 5.602e-05 deg
peri 115.9482323275822 6.2336e-05 deg
M 52.11709721979513 2.4479e-05 deg
tp 2458759.075601272656
(2019-Oct-02.57560127)
0.00011359 TDB
period 1667.644365826897
4.57
1.2063e-05
3.303e-08
d
yr
n .2158733644757015 1.5616e-09 deg/d
Q 3.052377740346683 1.472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      15461 days (42.33 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:57:58  

Additional Information
 Earth MOID = 1.47189 au 
 Jupiter MOID = 2.08225 au 
 T_jup = 3.333 
[ 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 15.3   n/a MPO449097  
diameter diameter 4.620 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19901 (2191 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
 2191 T-3 = 1995 SV11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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