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19070 (5491 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2019070
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03153037297987087 4.1455e-08  
a 3.075054231085122 2.3649e-08 au
q 2.978096624245678 1.379e-07 au
i 12.13782883445578 6.5474e-06 deg
node 328.8397574243799 2.1905e-05 deg
peri 280.9098927661598 0.00011495 deg
M 35.81795876793828 0.000112 deg
tp 2459004.536166230154
(2020-Jun-04.03616623)
0.00061345 TDB
period 1969.59800568795
5.39
2.2721e-05
6.221e-08
d
yr
n .1827784141537337 2.1085e-09 deg/d
Q 3.172011837924566 2.4395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      17096 days (46.81 yr)  
   first obs. used      1973-09-30  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54781  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:45:10  

Additional Information
 Earth MOID = 1.99079 au 
 Jupiter MOID = 1.92046 au 
 T_jup = 3.194 
[ 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 14.15   n/a E2021B10  
diameter diameter 8.315 km 0.292 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.112   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19070 (5491 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 5491 T-2 = 1992 ES9 = 1994 RV12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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