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4839 Daisetsuzan (1989 QG)
Classification: Main-belt Asteroid          SPK-ID: 2004839
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06973525804600542 3.8069e-08  
a 2.434317511101282 1.0222e-08 au
q 2.264559751298725 9.3369e-08 au
i 7.576175161226114 4.2218e-06 deg
node 176.9706145208226 2.9612e-05 deg
peri 180.282740576883 4.1633e-05 deg
M 23.04807429580729 3.0543e-05 deg
tp 2458911.682937359599
(2020-Mar-03.18293736)
0.0001176 TDB
period 1387.280435674437
3.80
8.7384e-06
2.392e-08
d
yr
n .2595005240054317 1.6346e-09 deg/d
Q 2.60407527090384 1.0935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1930  
   data-arc span      25168 days (68.91 yr)  
   first obs. used      1951-09-04  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:20:51  

Additional Information
 Earth MOID = 1.26014 au 
 Jupiter MOID = 2.68113 au 
 T_jup = 3.490 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456408.5 (2013-Apr-26.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07019997569710874 3.8144e-08  
q 2.264780653018018 9.3584e-08 au
tp 2456138.489944178661
(2012-Jul-29.98994418)
0.00011486 TDB
node 177.1114923813376 2.9609e-05 deg
peri 180.7982403561071 4.1446e-05 deg
i 7.574932937704286 4.2216e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1930  
   data-arc span      25168 days (68.91 yr)  
   first obs. used      1951-09-04  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:20:51  

Additional Information
 Jupiter MOID = 2.68113 au 
 T_jup = 3.490 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.454935472210291E-15 -3.550984315754301E-15 -2.340849256210133E-13 5.420028102258684E-15 -4.448956383653554E-14 2.830932025244081E-16
q -3.550984315754301E-15 8.757995299116162E-15 5.800646814856019E-13 -1.266691091460282E-14 1.135270405950212E-13 -5.860696917606481E-16
tp -2.340849256210133E-13 5.800646814856019E-13 1.319274977864394E-8 -2.273898699659206E-12 3.34564451017352E-9 8.944634281856181E-12
node 5.420028102258684E-15 -1.266691091460282E-14 -2.273898699659206E-12 8.767057561065294E-10 -8.690460030092146E-10 -2.860328074513174E-12
peri -4.448956383653554E-14 1.135270405950212E-13 3.34564451017352E-9 -8.690460030092146E-10 1.717792652462494E-9 5.076962006018859E-12
i 2.830932025244081E-16 -5.860696917606481E-16 8.944634281856181E-12 -2.860328074513174E-12 5.076962006018859E-12 1.782153546184743E-11

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 13.0   n/a MPO452234  
diameter diameter 8.141 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.202   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Xc   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4839 Daisetsuzan (1989 QG)          Discovered 1989-Aug-25 by Endate and Watanabe at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1989 QG = 1951 RE = 1982 YH2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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