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192431 (1997 TS21)
Classification: Main-belt Asteroid          SPK-ID: 2192431
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931027407191513 5.5761e-08  
a 2.369659315169693 1.2566e-08 au
q 1.912071606839759 1.3151e-07 au
i 1.050594020817243 7.2754e-06 deg
node 19.35584440622763 0.00024298 deg
peri 305.6349520354764 0.0002435 deg
M 172.744705236235 1.5635e-05 deg
tp 2458561.163441195264
(2019-Mar-18.66344120)
5.5876e-05 TDB
period 1332.377515449464
3.65
1.0598e-05
2.902e-08
d
yr
n .2701936919721717 2.1492e-09 deg/d
Q 2.827247023499628 1.4993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      8567 days (23.46 yr)  
   first obs. used      1997-10-04  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57005  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:19:52  

Additional Information
 Earth MOID = .898376 au 
 Jupiter MOID = 2.50165 au 
 T_jup = 3.520 
[ 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 17.7   n/a MPO440063  

192431 (1997 TS21)          Discovered 1997-Oct-04 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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