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4457 van Gogh (1989 RU)
Classification: Main-belt Asteroid          SPK-ID: 2004457
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278482286913456 2.9606e-08  
a 2.661987960251844 1.0525e-08 au
q 2.321657514735957 7.9335e-08 au
i 13.81406192062164 3.4387e-06 deg
node 187.1004882981153 1.3825e-05 deg
peri 340.3112289625329 2.0018e-05 deg
M 211.6094766515377 1.63e-05 deg
tp 2459654.399827758120
(2022-Mar-15.89982776)
7.3455e-05 TDB
period 1586.38121007316
4.34
9.4082e-06
2.576e-08
d
yr
n .2269315834769612 1.3458e-09 deg/d
Q 3.00231840576773 1.187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2752  
   data-arc span      24194 days (66.24 yr)  
   first obs. used      1954-07-31  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:51:28  

Additional Information
 Earth MOID = 1.33116 au 
 Jupiter MOID = 1.97753 au 
 T_jup = 3.332 
[ show covariance matrix ]

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 12.0   n/a MPO435741  
diameter diameter 10.491 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.6056 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.212   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4457 van Gogh (1989 RU)          Discovered 1989-Sep-03 by Elst, E. W. at Haute Provence
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1989 RU = 1970 EQ1 = 1970 GL1 = 1976 SJ8 = 1981 UO15 = 1985 SA5 = 1985 VV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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