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3808 Tempel (1982 FQ2)
Classification: Main-belt Asteroid          SPK-ID: 2003808
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483845494556198 3.3331e-08  
a 2.306557544689253 6.3204e-09 au
q 1.964300042627078 7.7466e-08 au
i 6.331715248109816 3.704e-06 deg
node 153.143412047028 2.9357e-05 deg
peri 10.68206931497869 3.1394e-05 deg
M 215.9496619102545 1.1444e-05 deg
tp 2459112.484306441848
(2020-Sep-19.98430644)
4.1419e-05 TDB
period 1279.513486488554
3.50
5.2591e-06
1.44e-08
d
yr
n .281356940588387 1.1564e-09 deg/d
Q 2.648815046751428 7.2582e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1891  
   data-arc span      16310 days (44.65 yr)  
   first obs. used      1975-03-06  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49387  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:29:43  

Additional Information
 Earth MOID = .973135 au 
 Jupiter MOID = 2.32724 au 
 T_jup = 3.565 
[ 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 13.8   n/a MPO350831  
diameter diameter 4.667 km 0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.45073 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.294   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3808 Tempel (1982 FQ2)          Discovered 1982-Mar-24 by Borngen, F. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 FQ2 = 1975 EL1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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