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JPL Small-Body Database Browser
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74827 (1999 TW17)
Classification: Main-belt Asteroid          SPK-ID: 2074827
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2227493402982842 5.0303e-08  
a 2.350441608347307 8.5827e-09 au
q 1.826882290678306 1.1749e-07 au
i 3.168504278202913 3.9391e-06 deg
node 108.5990292338684 9.3563e-05 deg
peri 253.3383784444873 9.3957e-05 deg
M 163.8569525085622 8.7237e-06 deg
tp 2458001.419754205467
(2017-Sep-04.91975421)
3.0974e-05 TDB
period 1316.2022433852
3.60
7.2092e-06
1.974e-08
d
yr
n .2735141972362087 1.4981e-09 deg/d
Q 2.874000926016308 1.0494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      13676 days (37.44 yr)  
   first obs. used      1981-10-24  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51321  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:01:07  

Additional Information
 Earth MOID = .826272 au 
 Jupiter MOID = 2.5799 au 
 T_jup = 3.522 
[ 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 16.0   n/a MPO337822  

74827 (1999 TW17)          Discovered 1999-Oct-04 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TW17 = 1981 UH17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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