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JPL Small-Body Database Browser
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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02252128598555906 4.4949e-08  
a 2.77635789211568 1.7021e-08 au
q 2.713830742029079 1.2612e-07 au
i 8.398115201380087 5.2107e-06 deg
node 205.1798947773724 2.7624e-05 deg
peri 206.4566958214854 0.00010357 deg
M 322.2033045932815 9.8815e-05 deg
tp 2458777.903804991816
(2019-Oct-21.40380499)
0.00046383 TDB
period 1689.707767036732
4.63
1.5539e-05
4.254e-08
d
yr
n .2130545926478979 1.9593e-09 deg/d
Q 2.838885042202282 1.7404e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1065  
   data-arc span      15395 days (42.15 yr)  
   first obs. used      1977-10-12  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:26:56  

Additional Information
 Earth MOID = 1.72312 au 
 Jupiter MOID = 2.23748 au 
 T_jup = 3.319 
[ 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 14.5   n/a MPO412321  

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

[ show close-approach data ]
Alternate Designations
 3173 T-3 = 1998 FP97 = 1999 NE45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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