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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2656268801671042 4.0701e-08  
a 2.408973845714935 1.052e-08 au
q 1.769085638673526 1.0077e-07 au
i 8.761191009083031 4.1049e-06 deg
node 26.96233208968438 2.8984e-05 deg
peri 305.5025119602429 2.9917e-05 deg
M 206.7042315110055 1.0163e-05 deg
tp 2459782.032807015301
(2022-Jul-21.53280702)
4.0918e-05 TDB
period 1365.672468255627
3.74
8.9457e-06
2.449e-08
d
yr
n .2636063978501579 1.7267e-09 deg/d
Q 3.048862052756344 1.3314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1180  
   data-arc span      15923 days (43.59 yr)  
   first obs. used      1977-08-18  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50167  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:55:51  

Additional Information
 Earth MOID = .774933 au 
 Jupiter MOID = 2.38066 au 
 T_jup = 3.457 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457468.5 (2016-Mar-21.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2669192971956062 4.0774e-08  
q 1.765082839219634 1.01e-07 au
tp 2457050.017005726564
(2015-Jan-27.51700573)
3.1881e-05 TDB
node 27.00064600769002 2.8993e-05 deg
peri 305.3405280036362 2.9904e-05 deg
i 8.764030065015406 4.1054e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1180  
   data-arc span      15923 days (43.59 yr)  
   first obs. used      1977-08-18  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50167  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:55:51  

Additional Information
 Jupiter MOID = 2.38066 au 
 T_jup = 3.457 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.662523478461267E-15 -4.107349583535171E-15 -2.630834049344548E-13 1.508489004795387E-14 -7.901725219415384E-14 -1.508133354998572E-15
q -4.107349583535171E-15 1.020023399195307E-14 7.00634660361641E-13 -3.699926912322279E-14 2.087464469844598E-13 4.011295510948647E-15
tp -2.630834049344548E-13 7.00634660361641E-13 1.016413127486467E-9 -1.76599322981454E-12 2.549950034897986E-10 1.501499958782332E-12
node 1.508489004795387E-14 -3.699926912322279E-14 -1.76599322981454E-12 8.405809758542766E-10 -8.310278403261486E-10 -9.478188531301095E-12
peri -7.901725219415384E-14 2.087464469844598E-13 2.549950034897986E-10 -8.310278403261486E-10 8.942746591339322E-10 9.787392901331032E-12
i -1.508133354998572E-15 4.011295510948647E-15 1.501499958782332E-12 -9.478188531301095E-12 9.787392901331032E-12 1.68540986046037E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.69   n/a MPCxxxxx  
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

Alternate Designations
 1999 JN34 = 1992 QJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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