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79543 (1998 QB39)
Classification: Main-belt Asteroid          SPK-ID: 2079543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416127250461061 4.1549e-08  
a 2.43197311000716 9.4183e-09 au
q 2.087574770660193 1.0436e-07 au
i 1.911800522568528 3.5182e-06 deg
node 259.1215801150111 0.00012761 deg
peri 87.7477440851856 0.00012813 deg
M 258.7993658590699 1.2544e-05 deg
tp 2459389.919157648429
(2021-Jun-24.41915765)
4.8894e-05 TDB
period 1385.27686059958
3.79
8.0471e-06
2.203e-08
d
yr
n .2598758488207071 1.5096e-09 deg/d
Q 2.776371449354127 1.0752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      8461 days (23.16 yr)  
   first obs. used      1997-04-11  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:02:47  

Additional Information
 Earth MOID = 1.08165 au 
 Jupiter MOID = 2.62549 au 
 T_jup = 3.492 
[ 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 15.6   n/a MPO381793  

79543 (1998 QB39)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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