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3935 Toatenmongakkai (1987 PB)
Classification: Main-belt Asteroid          SPK-ID: 2003935
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2313221462686942 5.7327e-08  
a 2.541061181563452 9.1467e-09 au
q 1.95325745524413 1.4798e-07 au
i 8.760318353342916 4.7765e-06 deg
node 300.2347779981457 2.9586e-05 deg
peri 105.2090202168807 3.1819e-05 deg
M 71.12479185960511 1.0177e-05 deg
tp 2459104.192729762486
(2020-Sep-11.69272976)
4.2246e-05 TDB
period 1479.520917167984
4.05
7.9884e-06
2.187e-08
d
yr
n .2433220077003655 1.3138e-09 deg/d
Q 3.128864907882774 1.1262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2183  
   data-arc span      19608 days (53.68 yr)  
   first obs. used      1967-10-02  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 22:50:44  

Additional Information
 Earth MOID = .984054 au 
 Jupiter MOID = 2.34548 au 
 T_jup = 3.392 
[ 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 12.02   n/a E2021B10  
diameter diameter 9.612 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 106.3 h n/a LCDB (Rev. 2020-October); 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 0.203   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3935 Toatenmongakkai (1987 PB)          Discovered 1987-Aug-14 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1987 PB = 1939 XK = 1951 WM = 1967 TO = 1971 QU1 = 1979 SC3 = 1983 OJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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