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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07381746668058284 3.3687e-08  
a 3.173902434185682 1.7864e-08 au
q 2.939612997002759 1.0551e-07 au
i 9.560289077273575 3.6722e-06 deg
node 170.3664580102058 2.2584e-05 deg
peri 187.8113201413736 3.4752e-05 deg
M 67.71218334763168 2.5674e-05 deg
tp 2458812.033920718453
(2019-Nov-24.53392072)
0.00014792 TDB
period 2065.326823437132
5.65
1.7437e-05
4.774e-08
d
yr
n .174306553284814 1.4716e-09 deg/d
Q 3.408191871368604 1.9183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1978  
   data-arc span      25322 days (69.33 yr)  
   first obs. used      1951-09-22  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:07:55  

Additional Information
 Earth MOID = 1.93388 au 
 Jupiter MOID = 2.01334 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 12.95   n/a E2020-QM5  
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. 2020-October); 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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