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4718 Araki (1990 VP3)
Classification: Main-belt Asteroid          SPK-ID: 2004718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585041546987066 3.3072e-08  
a 2.360822951317228 7.8224e-09 au
q 1.986622705025385 7.7903e-08 au
i 8.041985282527682 3.9647e-06 deg
node 334.5401773358788 2.1916e-05 deg
peri 220.410656710788 2.4494e-05 deg
M 302.9419272972102 1.1346e-05 deg
tp 2459210.494612113373
(2020-Dec-26.99461211)
4.2055e-05 TDB
period 1324.931894468243
3.63
6.5851e-06
1.803e-08
d
yr
n .2717120793174692 1.3504e-09 deg/d
Q 2.735023197609071 9.0623e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2467  
   data-arc span      15689 days (42.95 yr)  
   first obs. used      1977-02-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43212  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:20:08  

Additional Information
 Earth MOID = .994359 au 
 Jupiter MOID = 2.25444 au 
 T_jup = 3.521 
[ 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 13.2   n/a MPO502198  
diameter diameter 5.944 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 46.35 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.485   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Sl   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)

4718 Araki (1990 VP3)          Discovered 1990-Nov-13 by Fujii and Watanabe at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1990 VP3 = 1977 DM1 = 1977 GD = 1982 RP1 = 1986 VM3 = 1988 CC7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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