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19340 (1997 AV4)
Classification: Main-belt Asteroid          SPK-ID: 2019340
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05633385962039126 4.3638e-08  
a 2.79150076148915 1.3789e-08 au
q 2.634244749461205 1.241e-07 au
i 7.56597739071677 4.5486e-06 deg
node 132.4956024399804 3.2926e-05 deg
peri 84.40321146479266 5.1226e-05 deg
M 322.0318861264896 3.999e-05 deg
tp 2459380.168348367222
(2021-Jun-14.66834837)
0.00018944 TDB
period 1703.550659052518
4.66
1.2622e-05
3.456e-08
d
yr
n .2113233311184447 1.5658e-09 deg/d
Q 2.948756773517096 1.4566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2142  
   data-arc span      8896 days (24.36 yr)  
   first obs. used      1996-11-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:52:07  

Additional Information
 Earth MOID = 1.63972 au 
 Jupiter MOID = 2.04919 au 
 T_jup = 3.314 
[ 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 13.33   n/a E2021B10  
diameter diameter 13.800 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19340 (1997 AV4)          Discovered 1997-Jan-06 by Kobayashi, T. at Oizumi
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AV4 = 1999 RC158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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