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160012 (1110 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2160012
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2222124029680093 5.3389e-08  
a 2.284480642152784 1.0084e-08 au
q 1.776840709126113 1.1906e-07 au
i 3.439142604729573 5.6545e-06 deg
node 184.5410253982 8.2767e-05 deg
peri 174.909330002526 8.348e-05 deg
M 186.7679488933481 1.1623e-05 deg
tp 2459607.383593878294
(2022-Jan-27.88359388)
4.2614e-05 TDB
period 1261.187478878708
3.45
8.3502e-06
2.286e-08
d
yr
n .2854452696597238 1.8899e-09 deg/d
Q 2.792120575179455 1.2324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      17014 days (46.58 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:30:04  

Additional Information
 Earth MOID = .773461 au 
 Jupiter MOID = 2.66189 au 
 T_jup = 3.567 
[ 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 17.5   n/a MPO459732  

160012 (1110 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20070630/Numbers.arcLast Updated: 2007-07-05

[ show close-approach data ]
Alternate Designations
 1110 T-2 = 2004 RW42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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