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52173 (2178 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2052173
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04114650174568493 4.1593e-08  
a 2.844378951555963 1.976e-08 au
q 2.727342708060376 1.2385e-07 au
i 1.160941484242927 5.1882e-06 deg
node 226.2995201844645 0.00025917 deg
peri 35.26191166152871 0.00026864 deg
M 49.91845644220048 7.1036e-05 deg
tp 2458957.538053550228
(2020-Apr-18.03805355)
0.00034562 TDB
period 1752.183600131811
4.80
1.8259e-05
4.999e-08
d
yr
n .2054579211749946 2.141e-09 deg/d
Q 2.96141519505155 2.0573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      17111 days (46.85 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-07-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55734  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:25  

Additional Information
 Earth MOID = 1.71015 au 
 Jupiter MOID = 2.04997 au 
 T_jup = 3.306 
[ 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 14.86   n/a E2021B10  

52173 (2178 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2178 T-2 = 2000 EY46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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