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12384 Luigimartella (1994 TC2)
Classification: Main-belt Asteroid          SPK-ID: 2012384
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09533674175942171 2.2792e-08  
a 2.98591944432288 1.3716e-08 au
q 2.701251613345033 6.4023e-08 au
i 9.873016762509597 8.9547e-07 deg
node 322.4662256215375 4.7172e-06 deg
peri 347.40267533076 1.5772e-05 deg
M 69.10572718845869 1.2123e-05 deg
tp 2458838.734541558263
(2019-Dec-21.23454156)
6.3409e-05 TDB
period 1884.584249925612
5.16
1.2986e-05
3.555e-08
d
yr
n .1910235639580506 1.3163e-09 deg/d
Q 3.270587275300726 1.5024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2097  
   data-arc span      19174 days (52.50 yr)  
   first obs. used      1968-08-31  
   last obs. used      2021-02-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:19:46  

Additional Information
 Earth MOID = 1.686 au 
 Jupiter MOID = 2.00931 au 
 T_jup = 3.228 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457201.5 (2015-Jun-28.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09720047274427251 2.2066e-08  
q 2.69660081216028 6.185e-08 au
tp 2456959.886639124200
(2014-Oct-29.38663912)
6.456e-05 TDB
node 322.6253704993317 4.7182e-06 deg
peri 348.5657888830269 1.5749e-05 deg
i 9.868022024561686 8.9519e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2097  
   data-arc span      19174 days (52.50 yr)  
   first obs. used      1968-08-31  
   last obs. used      2021-02-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:19:46  

Additional Information
 Jupiter MOID = 2.00931 au 
 T_jup = 3.228 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.86913033613792E-16 -1.341629462970596E-15 -8.969439129561028E-13 5.681744824477963E-15 -2.260298686558588E-13 -2.810252940355048E-15
q -1.341629462970596E-15 3.82542320082686E-15 2.508665106578236E-12 -1.47264134598648E-14 6.336182437528326E-13 7.96968982360415E-15
tp -8.969439129561028E-13 2.508665106578236E-12 4.167969418858304E-9 -5.486905899211511E-11 9.740570932370722E-10 5.784279392765214E-12
node 5.681744824477963E-15 -1.47264134598648E-14 -5.486905899211511E-11 2.226140224721237E-11 -3.243694106027806E-11 4.423006016069291E-13
peri -2.260298686558588E-13 6.336182437528326E-13 9.740570932370722E-10 -3.243694106027806E-11 2.480329714172247E-10 9.151038316630394E-13
i -2.810252940355048E-15 7.96968982360415E-15 5.784279392765214E-12 4.423006016069291E-13 9.151038316630394E-13 8.013651354358514E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.99   n/a E2021B10  
diameter diameter 9.427 km 1.349 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.440 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.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.151   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

12384 Luigimartella           Discovered 1994 Oct. 10 by V. S. Casulli at the Colleverde di Guidonia.
Luigi Martella (b. 1956) is a well-known Italian amateur astronomer and a qualified builder and repairer of astronomical telescopes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040504/MPCPages.arcLast Updated: 2004-05-11

Alternate Designations
 1994 TC2 = 1968 QV1 = 1978 NQ5 = 1989 SR13 = 1997 EA44 = 1999 RG146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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