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4720 Tottori (1990 YG)
Classification: Main-belt Asteroid          SPK-ID: 2004720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450854763036164 1.3144e-08  
a 2.225437323027578 4.7464e-09 au
q 1.902558689032277 3.0316e-08 au
i 5.874448599527646 7.3839e-07 deg
node 121.2870464805392 4.804e-06 deg
peri 287.4728292352039 6.8116e-06 deg
M 56.38646062159705 6.9186e-06 deg
tp 2459010.569893426290
(2020-Jun-10.06989343)
2.309e-05 TDB
period 1212.610928453038
3.32
3.8794e-06
1.062e-08
d
yr
n .2968800557152015 9.4977e-10 deg/d
Q 2.54831595702288 5.435e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3080  
   data-arc span      29318 days (80.27 yr)  
   first obs. used      1940-12-04  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:40:47  

Additional Information
 Earth MOID = .921868 au 
 Jupiter MOID = 2.80633 au 
 T_jup = 3.625 
[ 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 13.1   n/a MPO337292  
diameter diameter 6.049 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.305   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4720 Tottori (1990 YG)          Discovered 1990-Dec-19 by Ueda and Kaneda at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 YG = 1940 XF = 1948 CD = 1973 SH5 = 1978 EU4 = 1982 JL4 = 1986 PY3 = 1988 EY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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