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1727 Mette (1965 BA)
Classification: Mars-crossing Asteroid          SPK-ID: 2001727
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020406532367997 4.7096e-09  
a 1.854039393239368 3.0441e-09 au
q 1.664852002426463 7.8452e-09 au
i 22.90000856756199 6.6156e-07 deg
node 133.0078643914187 2.1013e-06 deg
peri 313.1346921064103 7.7904e-06 deg
M 71.16841591748977 8.4975e-06 deg
tp 2459018.210496682921
(2020-Jun-17.71049668)
2.1572e-05 TDB
period 922.0975393105705
2.52
2.271e-06
6.218e-09
d
yr
n .3904142291380184 9.6152e-10 deg/d
Q 2.043226784052273 3.3547e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2861  
   data-arc span      24126 days (66.05 yr)  
   first obs. used      1955-02-23  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34056  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:51:18  

Additional Information
 Earth MOID = .716218 au 
 Jupiter MOID = 3.09164 au 
 T_jup = 3.901 
[ show covariance matrix ]

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 12.67   n/a E2021B10  
rotation period rot_per 2.98109 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Gandolfi, D.; Cigna, M.; Fulvio, D.; Blanco, C. (2009) Planet. Space Sci. 57, 1-9.]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2011) Minor Planet Bull. 38, 190-195.]
[Warner, B.D.; Stephens, R.D.; Harris, A.W. (2013) CBET 3402.]
[Warner, B.D.; Stephens, R.D. (2013) Minor Planet Bull. 40, 129-130.]
[Warner, B.D.; Stephens, R.D.; Harris, A.W. (2015) Minor Planet Bull. 42, 31-34.]
[Aznar, A.M.; Carreno Garcerain, A.; Arce Masego, E.; Brines Rodriques, P.; et al. (2016) Minor Planet Bull. 43, 257-263.]
[Warner, B.D. (2016) Minor Planet Bull. 43, 300-304.]
[Stephens, R.D.; Warner, B.D. (2020) Minor Planet Bull. 47, 50-60.]
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a medium resolution spectrum published by Chapman and Gaffey (1979)

1727 Mette           Discovered 1965 Jan. 25 by A. D. Andrews at Bloemfontein.
Named by the discoverer in honor of his wife "for her tolerance of my nocturnal working hours and for the many months spent away from home".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5183Last Updated: 2006-03-21

[ show close-approach data ]
Alternate Designations
 1965 BA = 1955 DC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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