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6172 Prokofeana (1982 TX)
Classification: Mars-crossing Asteroid          SPK-ID: 2006172
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4382291793285899 5.1583e-08  
a 2.569983283565556 1.5359e-08 au
q 1.443741618320428 1.3948e-07 au
i 15.88571839740771 4.3323e-06 deg
node 218.5011287438988 1.4266e-05 deg
peri 194.2236919085919 1.5283e-05 deg
M 25.20489949173726 7.4437e-06 deg
tp 2458895.139858848553
(2020-Feb-15.63985885)
3.0292e-05 TDB
period 1504.852293775473
4.12
1.349e-05
3.693e-08
d
yr
n .2392261363384763 2.1445e-09 deg/d
Q 3.696224948810685 2.2089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1034  
   data-arc span      24281 days (66.48 yr)  
   first obs. used      1953-08-11  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44574  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:56:18  

Additional Information
 Earth MOID = .458476 au 
 Jupiter MOID = 1.71746 au 
 T_jup = 3.240 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457529.5 (2016-May-21.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4346984238356206 5.0952e-08  
q 1.455164385427873 1.3735e-07 au
tp 2457383.484621713800
(2015-Dec-26.98462171)
2.0723e-05 TDB
node 218.5984776685575 1.4262e-05 deg
peri 193.6335975968096 1.5341e-05 deg
i 15.85696494464797 4.3354e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1034  
   data-arc span      24281 days (66.48 yr)  
   first obs. used      1953-08-11  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44574  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:56:18  

Additional Information
 Jupiter MOID = 1.71746 au 
 T_jup = 3.240 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.59611262043204E-15 -6.992803253083726E-15 -5.738622941565393E-13 5.95938709636824E-14 -7.121496229442407E-14 -2.721453045191121E-14
q -6.992803253083726E-15 1.886553402490656E-14 1.589231570637123E-12 -1.607826110148467E-13 2.050599902920749E-13 7.479149937707736E-14
tp -5.738622941565393E-13 1.589231570637123E-12 4.294504438822358E-10 -1.873718213389875E-11 1.236691766880256E-10 1.114675547258616E-11
node 5.95938709636824E-14 -1.607826110148467E-13 -1.873718213389875E-11 2.033959054515577E-10 -1.972653363442917E-10 -6.139648408408654E-12
peri -7.121496229442407E-14 2.050599902920749E-13 1.236691766880256E-10 -1.972653363442917E-10 2.353430493903271E-10 7.736164226435299E-12
i -2.721453045191121E-14 7.479149937707736E-14 1.114675547258616E-11 -6.139648408408654E-12 7.736164226435299E-12 1.879591599280131E-11

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 15.2   n/a MPO445314  
rotation period rot_per 6.540 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Melton, E.; Carver, S.; Harris, A.; Karnemaat, R.; et al. (2012) Minor Planet Bull. 39, 131-133.]

6172 Prokofeana (1982 TX)          Discovered 1982-Oct-14 by Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 TX = 2012 AF11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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