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70634 (1999 TR223)
Classification: Main-belt Asteroid          SPK-ID: 2070634
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2591547636980841 5.0345e-08  
a 2.425886722597649 1.0805e-08 au
q 1.797206622244536 1.2068e-07 au
i 10.37415489319797 5.2684e-06 deg
node 61.35551939031196 2.7353e-05 deg
peri 288.8097956039006 2.8764e-05 deg
M 182.3103971461452 8.8816e-06 deg
tp 2459681.682871604405
(2022-Apr-12.18287160)
3.6162e-05 TDB
period 1380.079812431557
3.78
9.2206e-06
2.524e-08
d
yr
n .2608544786737497 1.7428e-09 deg/d
Q 3.054566822950762 1.3606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      8053 days (22.05 yr)  
   first obs. used      1998-03-05  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50546  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:59:50  

Additional Information
 Earth MOID = .824281 au 
 Jupiter MOID = 2.46229 au 
 T_jup = 3.442 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO468647  
diameter diameter 2.196 km 0.465 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 62.0383 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.175   0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

70634 (1999 TR223)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TR223 = 2002 JQ115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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