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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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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2726380651919336 1.5881e-08  
a 2.721147318419318 7.32e-09 au
q 1.979258978423257 4.4612e-08 au
i 14.88009764986161 4.8974e-07 deg
node 334.3348302357712 2.2849e-06 deg
peri 52.70638460665293 3.4008e-06 deg
M 252.2976181402789 5.5892e-06 deg
tp 2459691.011637551385
(2022-Apr-21.51163755)
2.6742e-05 TDB
period 1639.556957509945
4.49
6.6157e-06
1.811e-08
d
yr
n .2195715118959607 8.8598e-10 deg/d
Q 3.46303565841538 9.3156e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2302  
   data-arc span      37237 days (101.95 yr)  
   first obs. used      1918-09-02  
   last obs. used      2020-08-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:17:33  

Additional Information
 Earth MOID = 1.01635 au 
 Jupiter MOID = 2.18753 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. 2020-October); 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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