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JPL Small-Body Database Browser
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19902 (3420 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2019902
[ 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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354936386290116 2.9418e-08  
a 2.445170529164027 8.5538e-09 au
q 2.113865477099167 7.4193e-08 au
i 2.343116375066821 3.8367e-06 deg
node 145.0441715118749 8.4832e-05 deg
peri 318.3306076300256 8.628e-05 deg
M 342.1224988865227 1.5064e-05 deg
tp 2459069.853194328659
(2020-Aug-08.35319433)		 5.8488e-05 TDB
period 1396.568222809126
3.82		 7.3283e-06
2.006e-08		 d
yr
n .2577747324623199 1.3526e-09 deg/d
Q 2.776475581228888 9.7128e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1274  
   data-arc span      15459 days (42.32 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:57:59  

Additional Information
 Earth MOID = 1.13141 au 
 Jupiter MOID = 2.34892 au 
 T_jup = 3.485 
[ 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 15.1   n/a MPO502318  
diameter diameter 2.451 km 0.358 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.32 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
geometric albedo albedo 0.245   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19902 (3420 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
 3420 T-3 = 1996 TV38 = 2000 SY115 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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