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382261 (2012 TQ94)
Classification: Main-belt Asteroid          SPK-ID: 2382261
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02966834754885889 7.8675e-08  
a 3.094654777291146 4.5868e-08 au
q 3.002841483814736 2.3358e-07 au
i 10.65555398437201 7.504e-06 deg
node 291.4904523223888 3.8141e-05 deg
peri 209.9281749835955 0.00011406 deg
M 72.68505714424138 0.00010527 deg
tp 2458799.024197258751
(2019-Nov-11.52419726)
0.00058274 TDB
period 1988.459453227523
5.44
4.4208e-05
1.21e-07
d
yr
n .1810446772830465 4.0251e-09 deg/d
Q 3.186468070767556 4.7229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      5884 days (16.11 yr)  
   first obs. used      2004-04-13  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:53:28  

Additional Information
 Earth MOID = 2.02151 au 
 Jupiter MOID = 1.90415 au 
 T_jup = 3.197 
[ 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 15.63   n/a E2021B25  
rotation period rot_per 6.327 h n/a LCDB (Rev. 2020-October); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

382261 (2012 TQ94)          Discovered 2007-Dec-04 by CSS at Catalina
Reference: Last Updated: 2013-12-19

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