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70662 (1999 TR282)
Classification: Main-belt Asteroid          SPK-ID: 2070662
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1275410025670309 2.9704e-08  
a 2.616291274192436 1.0241e-08 au
q 2.282606862074558 7.6052e-08 au
i 4.683699170610149 3.6515e-06 deg
node 159.8153123001309 4.7842e-05 deg
peri 121.1075582007372 5.0915e-05 deg
M 45.73538262675299 1.6942e-05 deg
tp 2458804.128986299179
(2019-Nov-16.62898630)
7.2753e-05 TDB
period 1545.708396259123
4.23
9.0757e-06
2.485e-08
d
yr
n .232902920674599 1.3675e-09 deg/d
Q 2.949975686310314 1.1547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      8690 days (23.79 yr)  
   first obs. used      1997-01-31  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53676  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:57  

Additional Information
 Earth MOID = 1.27055 au 
 Jupiter MOID = 2.18597 au 
 T_jup = 3.391 
[ 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 15.3   n/a MPO436276  
rotation period rot_per 8.00 h n/a LCDB (Rev. 2020-October); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

70662 (1999 TR282)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TR282 = 1998 KF46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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