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19546 (1999 JN34)
Classification: Main-belt Asteroid          SPK-ID: 2019546
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2656268828747292 4.1028e-08  
a 2.408973846114436 1.0545e-08 au
q 1.769085632444311 1.0147e-07 au
i 8.761190981051714 4.1174e-06 deg
node 26.96233161828771 2.985e-05 deg
peri 305.5025115862273 3.0785e-05 deg
M 206.7042319540974 1.0199e-05 deg
tp 2459782.032805479077
(2022-Jul-21.53280548)		 4.1027e-05 TDB
period 1365.672468595349
3.74		 8.9675e-06
2.455e-08		 d
yr
n .2636063977845837 1.7309e-09 deg/d
Q 3.048862059784561 1.3347e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1148  
   data-arc span      15915 days (43.57 yr)  
   first obs. used      1977-08-18  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:57:34  

Additional Information
 Earth MOID = .774933 au 
 Jupiter MOID = 2.38066 au 
 T_jup = 3.457 
[ 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 14.68   n/a E2021B10  
diameter diameter 3.657 km 0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19546 (1999 JN34)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JN34 = 1992 QJ1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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