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2565 Grogler (1977 TB1)
Classification: Main-belt Asteroid          SPK-ID: 2002565
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2355397132526181 3.9349e-08  
a 2.355979973073139 8.1958e-09 au
q 1.801053125786581 9.2927e-08 au
i 2.033603998295236 4.3272e-06 deg
node 343.9834220385155 9.6265e-05 deg
peri 36.05394562409411 9.6553e-05 deg
M 173.446443461228 9.4633e-06 deg
tp 2457964.116784395651
(2017-Jul-29.61678440)
3.2628e-05 TDB
period 1320.857049852266
3.62
6.8923e-06
1.887e-08
d
yr
n .2725503112091235 1.4222e-09 deg/d
Q 2.910906820359697 1.0126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1666  
   data-arc span      25782 days (70.59 yr)  
   first obs. used      1948-10-08  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 21:39:51  

Additional Information
 Earth MOID = .803218 au 
 Jupiter MOID = 2.5519 au 
 T_jup = 3.516 
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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 14.3   n/a MPO384773  
rotation period rot_per 2.150 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

2565 Grogler (1977 TB1)          Discovered 1977-Oct-12 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1977 TB1 = 1948 RG1 = 1948 TC = 1976 JP9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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