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19061 (2261 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2019061
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698773693086021 4.1194e-08  
a 2.427753228652636 8.9721e-09 au
q 2.015332896838661 9.8387e-08 au
i 2.098833490987421 4.7015e-06 deg
node 349.4205155300165 0.00011806 deg
peri 71.08850450737428 0.00011886 deg
M 131.6098253555361 1.4058e-05 deg
tp 2458695.384088313064
(2019-Jul-30.88408831)
5.3305e-05 TDB
period 1381.672893464165
3.78
7.6592e-06
2.097e-08
d
yr
n .2605537111590855 1.4444e-09 deg/d
Q 2.840173560466611 1.0496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1305  
   data-arc span      17344 days (47.49 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51945  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:45:06  

Additional Information
 Earth MOID = 1.02847 au 
 Jupiter MOID = 2.4858 au 
 T_jup = 3.489 
[ 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 14.93   n/a E2021B10  

19061 (2261 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2261 T-2 = 1977 UB2 = 1998 HS65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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