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12971 (4054 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2012971
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105294624559579 3.2483e-08  
a 3.080555138213236 1.7035e-08 au
q 2.756189241499992 9.947e-08 au
i 10.59280320870199 4.0734e-06 deg
node 41.84667045807117 1.9904e-05 deg
peri 266.11551986 3.0193e-05 deg
M 14.79331309874068 2.0827e-05 deg
tp 2458919.346948436230
(2020-Mar-10.84694844)
0.00011443 TDB
period 1974.885434246928
5.41
1.6381e-05
4.485e-08
d
yr
n .1822890552318428 1.512e-09 deg/d
Q 3.404921034926481 1.8829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1944  
   data-arc span      20704 days (56.68 yr)  
   first obs. used      1964-03-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:51:15  

Additional Information
 Earth MOID = 1.76827 au 
 Jupiter MOID = 1.87475 au 
 T_jup = 3.193 
[ 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 13.3   n/a MPO350906  
rotation period rot_per 5.36746 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

12971 (4054 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 4054 T-3 = 1964 EL = 1997 JG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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