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170891 (2004 TY16)
Classification: Amor [NEO]          SPK-ID: 2170891
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 155 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4055375059091128 4.9085e-08  
a 1.982533159147215 9.4028e-09 au
q 1.178541606404539 9.9208e-08 au
i 8.155540953926014 4.6581e-06 deg
node 329.8598281383917 2.209e-05 deg
peri 177.4469077315576 2.3258e-05 deg
M 211.0128173653165 1.4912e-05 deg
tp 2459622.464119575426
(2022-Feb-11.96411958)
4.5164e-05 TDB
period 1019.598332962839
2.79
7.2537e-06
1.986e-08
d
yr
n .3530802163572395 2.5119e-09 deg/d
Q 2.78652471188989 1.3216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      6947 days (19.02 yr)  
   first obs. used      2001-09-09  
   last obs. used      2020-09-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46182  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:46:13  

Additional Information
 Earth MOID = .190146 au 
 Jupiter MOID = 2.23027 au 
 T_jup = 3.742 
[ 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 16.97   n/a E2021B55  
rotation period rot_per 2.795 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Carbognani, A. (2008) Minor Planet Bull. 35, 109-110.]

170891 (2004 TY16)          Discovered 2004-Oct-10 by LINEAR at Socorro
Reference: 20071124/Numbers.arcLast Updated: 2007-11-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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