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18275 (3173 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2018275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02294135343902357 4.2283e-08  
a 2.777163298496609 1.5287e-08 au
q 2.713451413707913 1.1605e-07 au
i 8.396769190660542 4.6172e-06 deg
node 205.1635729117911 2.6043e-05 deg
peri 206.0019747202006 9.7225e-05 deg
M 90.43688687513468 9.2455e-05 deg
tp 2458775.837750382052
(2019-Oct-19.33775038)
0.00043413 TDB
period 1690.443082959491
4.63
1.3958e-05
3.821e-08
d
yr
n .2129619172801376 1.7584e-09 deg/d
Q 2.840875183285303 1.5638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1294  
   data-arc span      15868 days (43.44 yr)  
   first obs. used      1977-10-12  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52336  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:42:19  

Additional Information
 Earth MOID = 1.72216 au 
 Jupiter MOID = 2.23566 au 
 T_jup = 3.319 
[ 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 14.58   n/a MPCxxxxx  

18275 (3173 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3173 T-3 = 1998 FP97 = 1999 NE45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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