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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06983587911879867 1.7268e-08  
a 2.434802849542654 8.1631e-09 au
q 2.264766252063886 4.1449e-08 au
i 7.575796306932227 6.8667e-07 deg
node 176.9667673825435 6.5087e-06 deg
peri 180.419901363175 1.6284e-05 deg
M 74.80929735691404 1.5928e-05 deg
tp 2458912.131908075060
(2020-Mar-03.63190807)
6.1396e-05 TDB
period 1387.695336820107
3.80
6.9787e-06
1.911e-08
d
yr
n .2594229370439028 1.3046e-09 deg/d
Q 2.604839447021421 8.7331e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2411  
   data-arc span      25394 days (69.52 yr)  
   first obs. used      1951-09-04  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:50:28  

Additional Information
 Earth MOID = 1.25868 au 
 Jupiter MOID = 2.67994 au 
 T_jup = 3.490 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457061.5 (2015-Feb-08.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07113310958899469 1.7302e-08  
q 2.26101532579264 4.1603e-08 au
tp 2457524.624715922018
(2016-May-16.12471592)
6.0539e-05 TDB
node 177.0476320600208 6.5049e-06 deg
peri 180.4329633811386 1.5983e-05 deg
i 7.579045976774569 6.8753e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2411  
   data-arc span      25394 days (69.52 yr)  
   first obs. used      1951-09-04  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:50:28  

Additional Information
 Jupiter MOID = 2.67994 au 
 T_jup = 3.490 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.993542409602719E-16 -7.080383107695213E-16 -1.512137571032541E-13 -2.329439407571418E-16 -1.078674929783869E-14 -2.502507518170643E-16
q -7.080383107695213E-16 1.73083718209888E-15 3.131837662614429E-13 8.155621339524938E-16 1.037179319157405E-14 6.362059527633617E-16
tp -1.512137571032541E-13 3.131837662614429E-13 3.664997226195397E-9 4.708119433097658E-11 8.841050111920718E-10 -4.332102737925866E-12
node -2.329439407571418E-16 8.155621339524938E-16 4.708119433097658E-11 4.231387967677669E-11 -2.885718243126104E-11 3.059678736128927E-12
peri -1.078674929783869E-14 1.037179319157405E-14 8.841050111920718E-10 -2.885718243126104E-11 2.554641664767422E-10 -4.165376044595612E-12
i -2.502507518170643E-16 6.362059527633617E-16 -4.332102737925866E-12 3.059678736128927E-12 -4.165376044595612E-12 4.726966435763527E-13

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 13.04   n/a E2021B10  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2124-Jun-05 17:28 < 00:01 Juno 0.0325947003274315 0.0325822759567704 0.0326071247096262 4.91914240991757 4.91914233404066 2496991.227912265 0.344573625352463 619.981383125175 36.3130415354495 2.89642206518821 10370.9194531099 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 16:51:28 2021-Apr-12 16:51

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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