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8967 Calandra (4878 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2008967
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1150994304364402 7.0872e-08  
a 3.057060914536439 3.6177e-08 au
q 2.705194944463793 2.2379e-07 au
i 9.74296891074968 7.9394e-06 deg
node 170.6310418346688 3.2027e-05 deg
peri 171.7849753228249 4.1721e-05 deg
M 25.15043827764777 3.0027e-05 deg
tp 2457464.105259952191
(2016-Mar-16.60525995)
0.00016149 JED
period 1952.336013995046
5.35
3.4656e-05
9.488e-08
d
yr
n .1843944881513176 3.2732e-09 deg/d
Q 3.408926884609086 4.0341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      16112 days (44.11 yr)  
   first obs. used      1971-05-13  
   last obs. used      2015-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55418  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:00:52  

Additional Information
 Earth MOID = 1.69699 au 
 Jupiter MOID = 2.00599 au 
 T_jup = 3.203 
[ 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 13.1 mag n/a MPO302120  
rotation period rot_per 5.2427 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.]

8967 Calandra           Discovered 1971 May 13 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Named for miliaria calandra, or corn bunting.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990202/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 4878 T-1 = 1978 RM11 = 1992 EH15 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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