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JPL Small-Body Database Browser
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91419 (1999 NP59)
Classification: Main-belt Asteroid          SPK-ID: 2091419
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09445019685423194 6.605e-08  
a 2.763923201819294 1.7911e-08 au
q 2.502870111317483 1.8542e-07 au
i 12.09156455556382 6.3232e-06 deg
node 256.6956517452228 2.9271e-05 deg
peri 143.5868035255214 4.297e-05 deg
M 116.6140844540341 2.8963e-05 deg
tp 2458456.829347309518
(2018-Dec-04.32934731)
0.00013523 TDB
period 1678.3687483798
4.60
1.6315e-05
4.467e-08
d
yr
n .2144939843210994 2.085e-09 deg/d
Q 3.024976292321106 1.9603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      7452 days (20.40 yr)  
   first obs. used      1999-07-13  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46671  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:16:53  

Additional Information
 Earth MOID = 1.52322 au 
 Jupiter MOID = 2.33698 au 
 T_jup = 3.302 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO459427  
diameter diameter 4.289 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.241   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91419 (1999 NP59)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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