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3330 Gantrisch (1985 RU1)
Classification: Main-belt Asteroid          SPK-ID: 2003330
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2012085355208237 3.4605e-08  
a 3.15548443503769 1.7394e-08 au
q 2.520574033005003 1.0588e-07 au
i 10.26128547206272 3.455e-06 deg
node 9.82353375439442 2.0371e-05 deg
peri 306.2722248054775 2.2419e-05 deg
M 146.8275809189394 1.1934e-05 deg
tp 2458365.468933857631
(2018-Sep-03.96893386)
6.5286e-05 TDB
period 2047.375444925529
5.61
1.6929e-05
4.635e-08
d
yr
n .1758348723446249 1.4539e-09 deg/d
Q 3.790394837070377 2.0894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3904  
   data-arc span      32139 days (87.99 yr)  
   first obs. used      1933-03-23  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33999  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:54:05  

Additional Information
 Earth MOID = 1.52244 au 
 Jupiter MOID = 1.65713 au 
 T_jup = 3.150 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457528.5 (2016-May-20.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2040013933313521 3.5133e-08  
q 2.5124485224975 1.0838e-07 au
tp 2458360.394278469568
(2018-Aug-29.89427847)
6.401e-05 TDB
node 9.883271645368028 2.0354e-05 deg
peri 305.5286061800996 2.2316e-05 deg
i 10.27357207470383 3.4562e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3904  
   data-arc span      32139 days (87.99 yr)  
   first obs. used      1933-03-23  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33999  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:54:05  

Additional Information
 Jupiter MOID = 1.65713 au 
 T_jup = 3.150 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.234309711547516E-15 -3.778957147379063E-15 5.533882856755009E-13 7.877400716076514E-16 5.194311048751743E-14 1.195134449985758E-15
q -3.778957147379063E-15 1.174576505771037E-14 -1.424861895922168E-12 -4.895907900581744E-15 -1.288917027389831E-13 -4.276599973523055E-15
tp 5.533882856755009E-13 -1.424861895922168E-12 4.097325075574323E-9 1.671112217527523E-12 6.033473786350555E-10 -1.411226434652115E-12
node 7.877400716076514E-16 -4.895907900581744E-15 1.671112217527523E-12 4.142650591260691E-10 -4.073021776628046E-10 -2.188908017656709E-12
peri 5.194311048751743E-14 -1.288917027389831E-13 6.033473786350555E-10 -4.073021776628046E-10 4.980242891275738E-10 1.894379644145719E-12
i 1.195134449985758E-15 -4.276599973523055E-15 -1.411226434652115E-12 -2.188908017656709E-12 1.894379644145719E-12 1.194500036726105E-11

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 11.46   n/a E2021B10  
diameter diameter 34.877 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 28.9 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Ditteon, R.; Johnson, D.; Lin, W.; Wang, Z.; Zhao, B. (2019) Minor Planet Bull. 46, 280-282.]
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.036   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3330 Gantrisch (1985 RU1)          Discovered 1985-Sep-12 by Schildknecht, T. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 RU1 = 1933 FY = 1978 EF3 = 1978 GK1 = 1980 TU11 = 1980 XW1 = 1982 BZ = A918 UA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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