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58964 (1998 QJ104)
Classification: Main-belt Asteroid          SPK-ID: 2058964
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .277825821569167 5.1971e-08  
a 3.061107812004486 2.4207e-08 au
q 2.210653019222544 1.6749e-07 au
i 11.80915901090112 6.9627e-06 deg
node 9.915057804567736 2.0673e-05 deg
peri 292.7496552407924 2.3965e-05 deg
M 341.1356355141436 9.7659e-06 deg
tp 2458703.007594830335
(2019-Aug-07.50759483)
5.2875e-05 TDB
period 1956.214012223338
5.36
2.3205e-05
6.353e-08
d
yr
n .1840289445584951 2.183e-09 deg/d
Q 3.911562604786427 3.0933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1047  
   data-arc span      10500 days (28.75 yr)  
   first obs. used      1991-03-08  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53293  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:05:17  

Additional Information
 Earth MOID = 1.22739 au 
 Jupiter MOID = 1.59792 au 
 T_jup = 3.142 
[ 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 14.0   n/a MPO436194  
diameter diameter 7.152 km 0.375 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58964 (1998 QJ104)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QJ104 = 1999 XE209 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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