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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1929-Nov-15 08:42 00:02 Jupiter 1.87906119711152 1.87906073991082 1.87906165431324 3.6286080356111 3.50217907857402 2425930.862524074 2.24097678425093 96.2557965739508 10.41783858828 -76.2747592859661 3331934.45167757 T 29 CATAB v2.0f-lin.ifort 2020-Dec-18 02:51:19 2020-Dec-18 02:51
1989-Sep-03 22:25 < 00:01 Jupiter 1.90933492871601 1.90933446619314 1.9093353912392 3.18835060320045 3.04603612173207 2447773.433784925 0.696866058432079 55.873376017482 9.52825641824997 -69.5089154993554 3810276.29882054 T 29 CATAB v2.0f-lin.ifort 2020-Dec-18 02:51:19 2020-Dec-18 02:51
2049-Jun-29 07:20 00:01 Jupiter 1.95681829820635 1.95681788921502 1.9568187071978 2.76846811989142 2.60743201498373 2469621.805591250 1.01018983676322 58.9329946826295 6.82987934221488 -70.3340669836327 3274278.68367095 T 29 CATAB v2.0f-lin.ifort 2020-Dec-18 02:51:19 2020-Dec-18 02:51
2059-May-07 21:58 00:01 Jupiter 1.94947583888617 1.94947523397122 1.94947644380144 4.48019799494411 4.38214553057869 2473221.415489346 1.11739585086893 69.2560337544081 18.9738979071912 -72.8876798301636 3138816.02743257 T 29 CATAB v2.0f-lin.ifort 2020-Dec-18 02:51:19 2020-Dec-18 02:51
2119-Feb-15 07:59 00:03 Jupiter 1.91427686549492 1.91427623775265 1.9142774932372 4.14269594350904 4.0344735335053 2495053.832796686 2.6696379812841 51.5716355601358 23.8655397933025 -81.8717887960673 1774271.60898802 T 29 CATAB v2.0f-lin.ifort 2020-Dec-18 02:51:19 2020-Dec-18 02:51
2178-Nov-28 02:07 00:04 Jupiter 1.9102652045584 1.91026479841031 1.91026561070649 3.71904504538302 3.59784443970548 2516889.588022454 4.32339135626295 120.189120201525 13.3999754300489 -84.6337833082761 2290605.85631621 T 29 CATAB v2.0f-lin.ifort 2020-Dec-18 02:51:19 2020-Dec-18 02:51

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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