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2995 Taratuta (1978 QK)
Classification: Main-belt Asteroid          SPK-ID: 2002995
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .13722230978959 2.1671e-08  
a 2.61445746037553 9.6047e-09 au
q 2.255695568816174 5.8016e-08 au
i 14.84988135391088 9.0097e-07 deg
node 169.6262248616254 3.4515e-06 deg
peri 330.104314308834 1.0894e-05 deg
M 274.5984220113209 1.0144e-05 deg
tp 2459762.797699584054
(2022-Jul-02.29769958)
4.4601e-05 TDB
period 1544.083551567863
4.23
8.5087e-06
2.33e-08
d
yr
n .2331480052581713 1.2848e-09 deg/d
Q 2.973219351934886 1.0923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2848  
   data-arc span      24234 days (66.35 yr)  
   first obs. used      1955-03-21  
   last obs. used      2021-07-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:23:10  

Additional Information
 Earth MOID = 1.27852 au 
 Jupiter MOID = 2.05619 au 
 T_jup = 3.348 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457428.5 (2016-Feb-10.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355097010008593 2.159e-08  
q 2.261886984614096 5.774e-08 au
tp 2456669.086493304669
(2014-Jan-11.58649330)
3.8356e-05 TDB
node 169.7771498280179 3.4675e-06 deg
peri 329.4247317473803 1.0989e-05 deg
i 14.83673202670864 9.0063e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2848  
   data-arc span      24234 days (66.35 yr)  
   first obs. used      1955-03-21  
   last obs. used      2021-07-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:23:10  

Additional Information
 Jupiter MOID = 2.05619 au 
 T_jup = 3.348 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.661186827544186E-16 -1.233527645385046E-15 -1.974661595434993E-13 3.633654863316784E-14 -9.908586039893379E-14 -4.535380909839776E-15
q -1.233527645385046E-15 3.33388075833641E-15 5.814696065907074E-13 -9.70313446495609E-14 2.800886183999375E-13 1.238315546014643E-14
tp -1.974661595434993E-13 5.814696065907074E-13 1.471204498322158E-9 -1.023989142994519E-10 4.070202027686127E-10 1.548904157136459E-11
node 3.633654863316784E-14 -9.70313446495609E-14 -1.023989142994519E-10 1.202322852631849E-11 -3.35729855600571E-11 -1.762473035407672E-13
peri -9.908586039893379E-14 2.800886183999375E-13 4.070202027686127E-10 -3.35729855600571E-11 1.207686310339667E-10 3.18775998592837E-12
i -4.535380909839776E-15 1.238315546014643E-14 1.548904157136459E-11 -1.762473035407672E-13 3.18775998592837E-12 8.111304459273727E-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 12.22   n/a E2021B10  
diameter diameter 16.59 km 1.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
rotation period rot_per 11.14 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Schmidt, R.E. (2015) Minor Planet Bull. 42, 1-3.]
geometric albedo albedo 0.0704   0.011 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3

2995 Taratuta (1978 QK)          Discovered 1978-Aug-31 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1978 QK = 1951 JS = 1955 FD2 = 1955 FU = 1959 EE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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