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2589 Daniel (1979 QU2)
Classification: Main-belt Asteroid          SPK-ID: 2002589
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08056274479591534 3.2371e-08  
a 2.880172018373713 1.1681e-08 au
q 2.648137455089135 9.5916e-08 au
i 2.621824303417112 3.5335e-06 deg
node 148.9118651625967 7.4421e-05 deg
peri 208.5353323387239 7.7286e-05 deg
M 17.26139126922502 2.126e-05 deg
tp 2458514.894954342592
(2019-Jan-31.39495434)
0.0001054 TDB
period 1785.361096101873
4.89
1.0861e-05
2.974e-08
d
yr
n .201639881582509 1.2267e-09 deg/d
Q 3.112206581658291 1.2622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2603  
   data-arc span      23291 days (63.77 yr)  
   first obs. used      1955-11-14  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:25:44  

Additional Information
 Earth MOID = 1.64321 au 
 Jupiter MOID = 2.26684 au 
 T_jup = 3.288 
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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 12.3   n/a MPO358653  
diameter diameter 9.427 km 0.333 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.218   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2589 Daniel (1979 QU2)          Discovered 1979-Aug-22 by Lagerkvist, C.-I. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1979 QU2 = 1955 VA1 = 1975 VJ1 = 1975 XZ6 = 1978 JZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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