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173275 (1999 TQ16)
Classification: Main-belt Asteroid          SPK-ID: 2173275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288034512483592 4.6254e-08  
a 2.615752078588896 1.3413e-08 au
q 2.278834183256577 1.2063e-07 au
i 15.20901307829615 8.1446e-06 deg
node 20.97078555926689 1.6323e-05 deg
peri 290.4671300561316 3.6238e-05 deg
M 71.4602200507836 3.2413e-05 deg
tp 2458893.770784421398
(2020-Feb-14.27078442)
0.00013907 TDB
period 1545.230584650092
4.23
1.1886e-05
3.254e-08
d
yr
n .2329749382235531 1.792e-09 deg/d
Q 2.952669973921215 1.5141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      7792 days (21.33 yr)  
   first obs. used      1999-10-12  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:56:22  

Additional Information
 Earth MOID = 1.31494 au 
 Jupiter MOID = 2.43151 au 
 T_jup = 3.346 
[ 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 15.70   n/a E2021B55  

173275 (1999 TQ16)          Discovered 1999-Oct-14 by Sarounova, L. at Ondrejov
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1999 TQ16 = 2003 QU61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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