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78434 Dyer (2002 QL58)
Classification: Main-belt Asteroid          SPK-ID: 2078434
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01043652272686481 4.6202e-08  
a 2.784234696364817 2.1531e-08 au
q 2.75517696767928 1.3262e-07 au
i 4.317644524023595 5.8739e-06 deg
node 177.8622054540459 6.7383e-05 deg
peri 65.69973125944016 0.00028867 deg
M 298.9593351083642 0.00028071 deg
tp 2458888.222578382549
(2020-Feb-08.72257838)
0.0013232 TDB
period 1696.903669080297
4.65
1.9684e-05
5.389e-08
d
yr
n .2121511117924072 2.4609e-09 deg/d
Q 2.813292425050354 2.1756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      508  
   data-arc span      8426 days (23.07 yr)  
   first obs. used      1996-03-16  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:11:15  

Additional Information
 Earth MOID = 1.74511 au 
 Jupiter MOID = 2.15233 au 
 T_jup = 3.328 
[ 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 15.7   n/a MPO341177  
diameter diameter 4.614 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78434 Dyer           Discovered 2002 Aug. 17 by A. Lowe on plates taken at Palomar.
Alan Dyer (b. 1953) is program producer at the Calgary Science Centre and one of Canada's best-known astronomy writers. He is widely regarded as an authority on commercial telescopes, and his evaluations appear regularly in major North American astronomy magazines. He is also an accomplished astrophotographer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

Alternate Designations
 2002 QL58 = 1996 GE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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