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

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2355644303572401 4.6635e-08  
a 2.356051870897203 1.0256e-08 au
q 1.801049854037193 1.1146e-07 au
i 2.033719361711128 5.1131e-06 deg
node 343.993569422894 0.00011429 deg
peri 36.16068750826933 0.00011464 deg
M 260.7967499599679 1.11e-05 deg
tp 2457964.498084379855
(2017-Jul-29.99808438)
4.2306e-05 JED
period 1320.917513527718
3.62
8.625e-06
2.361e-08
d
yr
n .2725378354917585 1.7796e-09 deg/d
Q 2.911053887757212 1.2672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1217  
   data-arc span      24631 days (67.44 yr)  
   first obs. used      1948-10-08  
   last obs. used      2016-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53325  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 15:36:28  

Additional Information
 Earth MOID = .802698 au 
 Jupiter MOID = 2.54979 au 
 T_jup = 3.516 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO267717  
rotation period rot_per 2.1498 h n/a LCDB (Rev. 2016-February); 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. (2016) Astron. J. 150, A75.]

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

[ show close-approach data ]
Alternate Designations
 1977 TB1 = 1948 RG1 = 1948 TC = 1976 JP9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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