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90723 (1991 TN10)
Classification: Main-belt Asteroid          SPK-ID: 2090723
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052391340903136 6.9382e-08  
a 2.658581274331444 1.4425e-08 au
q 2.37879448311208 1.8688e-07 au
i 2.035301858779752 6.6969e-06 deg
node 10.3610761998616 0.00012013 deg
peri 359.3096948286919 0.00012187 deg
M 223.3840530717846 2.1353e-05 deg
tp 2459601.358535636931
(2022-Jan-21.85853564)
9.5569e-05 TDB
period 1583.336921442668
4.33
1.2886e-05
3.528e-08
d
yr
n .2273679057973231 1.8505e-09 deg/d
Q 2.938368065550807 1.5943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      10455 days (28.62 yr)  
   first obs. used      1991-09-12  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:34:20  

Additional Information
 Earth MOID = 1.37808 au 
 Jupiter MOID = 2.52221 au 
 T_jup = 3.378 
[ 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 16.2   n/a MPO468891  
rotation period rot_per 5.80 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

90723 (1991 TN10)          Discovered 1991-Oct-10 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1991 TN10 = 2000 WQ79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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