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392778 (2012 TU105)
Classification: Main-belt Asteroid          SPK-ID: 2392778
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0185569988255779 7.0061e-08  
a 2.152422658297601 1.5873e-08 au
q 2.112480153555425 1.5302e-07 au
i 4.328104114187475 4.9739e-06 deg
node 216.3379442522345 9.0414e-05 deg
peri 154.621680134271 0.00020023 deg
M 158.9098640572327 0.00017989 deg
tp 2458491.358948700323
(2019-Jan-07.85894870)
0.00057409 TDB
period 1153.426060460728
3.16
1.2759e-05
3.493e-08
d
yr
n .3121136346236192 3.4526e-09 deg/d
Q 2.192365163039776 1.6168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      4825 days (13.21 yr)  
   first obs. used      2006-11-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61495  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:46:08  

Additional Information
 Earth MOID = 1.11204 au 
 Jupiter MOID = 2.84679 au 
 T_jup = 3.700 
[ 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 18.1   n/a MPO455787  
rotation period rot_per 8.69 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:
[Molnar, L.; Pal, A.; Sarneczky, K.; Szabo, R.; et al. (2017) ArXiv:170606056v1]

392778 (2012 TU105)          Discovered 2006-Nov-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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