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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2223647229484842 5.3404e-08  
a 2.284238362493276 1.0043e-08 au
q 1.776304331869159 1.191e-07 au
i 3.43944660915834 5.6549e-06 deg
node 184.5418798343472 8.2761e-05 deg
peri 174.9095704068177 8.3472e-05 deg
M 243.8689599896895 1.1783e-05 deg
tp 2459607.276984931931
(2022-Jan-27.77698493)
4.2579e-05 TDB
period 1260.986852115452
3.45
8.3164e-06
2.277e-08
d
yr
n .2854906848521522 1.8829e-09 deg/d
Q 2.792172393117392 1.2277e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:59:33  

Additional Information
 Earth MOID = .771282 au 
 Jupiter MOID = 2.66273 au 
 T_jup = 3.568 
[ 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 17.61   n/a E2021B55  

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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