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687 Tinette (A909 QB)
Classification: Main-belt Asteroid          SPK-ID: 2000687
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2726846845813012 4.8308e-08  
a 2.720681300227386 7.5032e-09 au
q 1.978793178028637 1.3116e-07 au
i 14.88014014730553 4.928e-06 deg
node 334.3395929155504 1.6066e-05 deg
peri 52.7484219600164 1.7482e-05 deg
M 208.3114634570283 7.0954e-06 deg
tp 2459691.161416380716
(2022-Apr-21.66141638)
3.3798e-05 TDB
period 1639.135794725143
4.49
6.7807e-06
1.856e-08
d
yr
n .2196279290334003 9.0854e-10 deg/d
Q 3.462569422426136 9.5491e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2254  
   data-arc span      37237 days (101.95 yr)  
   first obs. used      1918-09-02  
   last obs. used      2020-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:26:54  

Additional Information
 Earth MOID = 1.01724 au 
 Jupiter MOID = 2.18715 au 
 T_jup = 3.257 
[ 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 11.7   n/a MPO473771  
diameter diameter 21.533 km 0.535 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.3962 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2000) Minor Planet Bull. 27, 4-6.]
[Warner, B.D. (2010) Minor Planet Bull. 37, 127-130.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.079   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.681   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=19.62, mean=19.80, max.=19.98) deg.
U-B UB 0.259   0.036 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=19.62, mean=19.80, max.=19.98) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

687 Tinette (A909 QB)          Discovered 1909-Aug-16 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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