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523667 (2012 TM139)
Classification: Amor [NEO]          SPK-ID: 2523667
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 95 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4420294101165642 3.3998e-08  
a 2.115700588554614 2.3822e-08 au
q 1.18049870541255 8.0576e-08 au
i 4.494096919140018 3.7363e-06 deg
node 283.8929343347999 3.9236e-05 deg
peri 45.58635019892564 4.4905e-05 deg
M 197.2740126054787 9.2392e-06 deg
tp 2459508.582400782880
(2021-Oct-21.08240078)
3.5734e-05 TDB
period 1124.034748293652
3.08
1.8984e-05
5.198e-08
d
yr
n .3202747962609701 5.4092e-09 deg/d
Q 3.050902471696678 3.4352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      2100 days (5.75 yr)  
   first obs. used      2012-10-10  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .33173  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:52:23  

Additional Information
 Earth MOID = .178903 au 
 Jupiter MOID = 2.34079 au 
 T_jup = 3.600 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457129.5 (2015-Apr-17.0) TDB
Reference: JPL 95 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4425978891638346 3.3946e-08  
q 1.1786999979991 8.0683e-08 au
tp 2457260.765455632146
(2015-Aug-26.26545563)
2.0164e-05 TDB
node 284.0132282881207 3.9201e-05 deg
peri 45.48853579329057 4.4835e-05 deg
i 4.496426461475977 3.7385e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      2100 days (5.75 yr)  
   first obs. used      2012-10-10  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .33173  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:52:23  

Additional Information
 Jupiter MOID = 2.34079 au 
 T_jup = 3.600 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.152332560088409E-15 -2.714739108318981E-15 -1.178438664689552E-15 1.36024580623454E-13 -8.747083478760598E-14 -4.17335674020929E-14
q -2.714739108318981E-15 6.50968082578419E-15 -1.009655318675859E-13 -2.837256039187115E-13 7.510264478635726E-14 1.049386110021671E-13
tp -1.178438664689552E-15 -1.009655318675859E-13 4.0658598627054E-10 -1.115067832076961E-10 4.598137178222872E-10 -1.196438364735272E-11
node 1.36024580623454E-13 -2.837256039187115E-13 -1.115067832076961E-10 1.536733184445138E-9 -1.620936150337484E-9 6.137670972730167E-11
peri -8.747083478760598E-14 7.510264478635726E-14 4.598137178222872E-10 -1.620936150337484E-9 2.010187656153929E-9 -7.372839650737449E-11
i -4.17335674020929E-14 1.049386110021671E-13 -1.196438364735272E-11 6.137670972730167E-11 -7.372839650737449E-11 1.397653684383277E-11

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 19.7   n/a E2015T79  
rotation period rot_per 2.68 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 66-79.]

523667 (2012 TM139)          Discovered 2012-Oct-10 by CSS at Catalina
Reference: Last Updated: 2018-10-01

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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