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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06983587927170415 1.7255e-08  
a 2.43480284948863 8.1606e-09 au
q 2.264766251641341 4.141e-08 au
i 7.575796304744173 6.8663e-07 deg
node 176.9667673685666 6.5084e-06 deg
peri 180.4199013879246 1.6284e-05 deg
M 74.80929737900692 1.5928e-05 deg
tp 2458912.131907999496
(2020-Mar-03.63190800)
6.1395e-05 TDB
period 1387.695336773921
3.80
6.9766e-06
1.91e-08
d
yr
n .2594229370525369 1.3042e-09 deg/d
Q 2.60483944733592 8.7305e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2419  
   data-arc span      25404 days (69.55 yr)  
   first obs. used      1951-09-04  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44317  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:53:15  

Additional Information
 Earth MOID = 1.25868 au 
 Jupiter MOID = 2.67994 au 
 T_jup = 3.490 
[ 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 13.05   n/a MPCxxxxx  
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

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