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79777 (1998 UR19)
Classification: Main-belt Asteroid          SPK-ID: 2079777
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2128502651700742 6.8638e-08  
a 2.345456377440362 9.1543e-09 au
q 1.846225365557339 1.6038e-07 au
i 14.59307641476858 7.6597e-06 deg
node 40.74544116576963 1.728e-05 deg
peri 329.9810798391442 2.039e-05 deg
M 14.79264047081509 1.1142e-05 deg
tp 2458946.588344503811
(2020-Apr-07.08834450)
4.0494e-05 TDB
period 1312.017013927907
3.59
7.6812e-06
2.103e-08
d
yr
n .2743866856743227 1.6064e-09 deg/d
Q 2.844687389323385 1.1103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      831  
   data-arc span      8153 days (22.32 yr)  
   first obs. used      1997-04-02  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57484  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 12:31:27  

Additional Information
 Earth MOID = .861512 au 
 Jupiter MOID = 2.63879 au 
 T_jup = 3.488 
[ 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 14.9   n/a MPO439588  
diameter diameter 3.082 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.245   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79777 (1998 UR19)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 UR19 = 1997 GA43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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