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3090 Tjossem (1982 AN)
Classification: Main-belt Asteroid          SPK-ID: 2003090
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07366119095360107 3.8448e-08  
a 3.172998546506249 1.9442e-08 au
q 2.939271694676553 1.2438e-07 au
i 9.560780896912807 4.4277e-06 deg
node 170.3721158880054 2.2607e-05 deg
peri 187.6354039837973 3.4829e-05 deg
M 33.01363881403462 2.5828e-05 deg
tp 2458811.181030691494
(2019-Nov-23.68103069)
0.00014839 TDB
period 2064.444617419406
5.65
1.8974e-05
5.195e-08
d
yr
n .1743810402867608 1.6027e-09 deg/d
Q 3.406725398335944 2.0874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1721  
   data-arc span      25240 days (69.10 yr)  
   first obs. used      1951-09-22  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:03:17  

Additional Information
 Earth MOID = 1.93517 au 
 Jupiter MOID = 2.01462 au 
 T_jup = 3.176 
[ 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 12.9   n/a MPO332846  
diameter diameter 14.345 km 0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 42.8932 h n/a LCDB (Rev. 2019-August); 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 0.124   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Cg   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)

3090 Tjossem (1982 AN)          Discovered 1982-Jan-04 by Gibson, J. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 AN = 1969 VP2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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