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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2310685823595539 5.8551e-08  
a 2.540303871248017 9.9962e-09 au
q 1.953319456956252 1.5144e-07 au
i 8.760637891894774 4.8958e-06 deg
node 300.234577155558 3.2162e-05 deg
peri 105.1893706210656 3.4241e-05 deg
M 334.7737030943306 1.0834e-05 deg
tp 2459104.128195107996
(2020-Sep-11.62819511)
4.4423e-05 TDB
period 1478.859555898361
4.05
8.7291e-06
2.39e-08
d
yr
n .2434308238156607 1.4369e-09 deg/d
Q 3.127288285539784 1.2306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1875  
   data-arc span      19403 days (53.12 yr)  
   first obs. used      1967-10-02  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40741  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:14:53  

Additional Information
 Earth MOID = .984615 au 
 Jupiter MOID = 2.34517 au 
 T_jup = 3.392 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456623.5 (2013-Nov-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2332904944267524 5.8756e-08  
q 1.946875824260241 1.521e-07 au
tp 2456143.035784171582
(2012-Aug-03.53578417)
4.8376e-05 TDB
node 300.4865162002612 3.2291e-05 deg
peri 104.3590674316923 3.427e-05 deg
i 8.7456750333805 4.8868e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1875  
   data-arc span      19403 days (53.12 yr)  
   first obs. used      1967-10-02  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40741  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:14:53  

Additional Information
 Jupiter MOID = 2.34517 au 
 T_jup = 3.392 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.452299508381363E-15 -8.92712679769286E-15 1.429309438641704E-12 -4.380818461199705E-14 2.446348610416029E-13 -3.02910692497979E-15
q -8.92712679769286E-15 2.313422327229286E-14 -3.793419938114259E-12 1.159051343889207E-13 -6.586996527393213E-13 8.082442376118149E-15
tp 1.429309438641704E-12 -3.793419938114259E-12 2.340273106593508E-9 -3.579626536995345E-11 5.778261825819893E-10 -4.817603809837744E-12
node -4.380818461199705E-14 1.159051343889207E-13 -3.579626536995345E-11 1.042716094816254E-9 -1.036071905138523E-9 -3.340139441138903E-11
peri 2.446348610416029E-13 -6.586996527393213E-13 5.778261825819893E-10 -1.036071905138523E-9 1.174461656324934E-9 3.193321605363549E-11
i -3.02910692497979E-15 8.082442376118149E-15 -4.817603809837744E-12 -3.340139441138903E-11 3.193321605363549E-11 2.388035297905023E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0   n/a MPO492797  
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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