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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06973525576735481 3.8146e-08  
a 2.434317511832823 1.0249e-08 au
q 2.26455975752621 9.36e-08 au
i 7.576175310593454 4.2256e-06 deg
node 176.9706141666528 2.9641e-05 deg
peri 180.2827424783452 4.168e-05 deg
M 23.04807221005425 3.0608e-05 deg
tp 2458911.682945357131
(2020-Mar-03.18294536)		 0.00011785 TDB
period 1387.280436299778
3.80		 8.7609e-06
2.399e-08		 d
yr
n .2595005238884573 1.6388e-09 deg/d
Q 2.604075266139436 1.0963e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1911  
   data-arc span      24933 days (68.26 yr)  
   first obs. used      1951-09-04  
   last obs. used      2019-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:23:21  

Additional Information
 Earth MOID = 1.26014 au 
 Jupiter MOID = 2.68113 au 
 T_jup = 3.490 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456395.5 (2013-Apr-13.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07016909828242933 3.822e-08  
q 2.264800855718807 9.3794e-08 au
tp 2456138.446748372694
(2012-Jul-29.94674837)		 0.00011508 TDB
node 177.1148372806387 2.9638e-05 deg
peri 180.7841418379803 4.15e-05 deg
i 7.575036271106961 4.2254e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1911  
   data-arc span      24933 days (68.26 yr)  
   first obs. used      1951-09-04  
   last obs. used      2019-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:23:21  

Additional Information
 Jupiter MOID = 2.68113 au 
 T_jup = 3.490 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.460746685008363E-15 -3.566037519742385E-15 -2.482088501302812E-13 5.452005222008706E-15 -4.774700521241526E-14 2.769362811312157E-16
q -3.566037519742385E-15 8.797277833214833E-15 6.182995479996961E-13 -1.268018701126084E-14 1.223274440136109E-13 -5.542576062325823E-16
tp -2.482088501302812E-13 6.182995479996961E-13 1.324275784280083E-8 -2.161659078452083E-12 3.357536001296326E-9 8.973540923592693E-12
node 5.452005222008706E-15 -1.268018701126084E-14 -2.161659078452083E-12 8.784075756483761E-10 -8.706984341134267E-10 -3.08895882296608E-12
peri -4.774700521241526E-14 1.223274440136109E-13 3.357536001296326E-9 -8.706984341134267E-10 1.722291297125005E-9 5.310083614869491E-12
i 2.769362811312157E-16 -5.542576062325823E-16 8.973540923592693E-12 -3.08895882296608E-12 5.310083614869491E-12 1.785408285954691E-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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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 31 CATAB v2.0f-lin.ifort 2020-Feb-22 17:23:39 2020-Feb-22 17:23

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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