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JPL Small-Body Database Browser
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1068 Nofretete (1926 RK)
Classification: Main-belt Asteroid          SPK-ID: 2001068
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09748854025419057 3.5199e-08  
a 2.907196587299264 1.2624e-08 au
q 2.623778235771494 1.0417e-07 au
i 5.489959936579836 4.0802e-06 deg
node 318.5991862636583 4.1382e-05 deg
peri 266.7881316179911 4.659e-05 deg
M 89.72092358605489 2.2077e-05 deg
tp 2458549.266575549345
(2019-Mar-06.76657555)
0.00011098 TDB
period 1810.547933631439
4.96
1.1793e-05
3.229e-08
d
yr
n .1988348351970685 1.2951e-09 deg/d
Q 3.190614938827034 1.3854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3612  
   data-arc span      33116 days (90.67 yr)  
   first obs. used      1929-02-05  
   last obs. used      2019-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:44:48  

Additional Information
 Earth MOID = 1.62192 au 
 Jupiter MOID = 1.84119 au 
 T_jup = 3.271 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455847.5 (2011-Oct-13.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09336331307849136 3.5265e-08  
q 2.641194773385209 1.0343e-07 au
tp 2456737.264269816653
(2014-Mar-20.76426982)
0.00011667 TDB
node 318.8862024209378 4.1499e-05 deg
peri 266.1069723378653 4.7133e-05 deg
i 5.477623476623603 4.0717e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3612  
   data-arc span      33116 days (90.67 yr)  
   first obs. used      1929-02-05  
   last obs. used      2019-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:44:48  

Additional Information
 Jupiter MOID = 1.84119 au 
 T_jup = 3.271 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.243648046576848E-15 -3.625377944879951E-15 5.938674927546682E-14 -2.84097245699627E-16 1.805494425140815E-14 4.3072206246307E-17
q -3.625377944879951E-15 1.06974685463093E-14 -3.589877840111792E-13 -1.438752282727659E-15 -1.023507590724214E-13 -4.681511274087955E-16
tp 5.938674927546682E-14 -3.589877840111792E-13 1.361164460057051E-8 2.569261431452718E-11 2.624262508211401E-9 -2.35229455668309E-12
node -2.84097245699627E-16 -1.438752282727659E-15 2.569261431452718E-11 1.72213168389342E-9 -1.708850602131647E-9 -4.668810248458551E-12
peri 1.805494425140815E-14 -1.023507590724214E-13 2.624262508211401E-9 -1.708850602131647E-9 2.221547569622618E-9 4.338498126034697E-12
i 4.3072206246307E-17 -4.681511274087955E-16 -2.35229455668309E-12 -4.668810248458551E-12 4.338498126034697E-12 1.657912171747159E-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 10.7   n/a MPO492762  
diameter diameter 21.346 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.15 h n/a LCDB (Rev. 2019-August); 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:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
geometric albedo albedo 0.142   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.850   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.87 deg.
U-B UB 0.420   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.87 deg.

1068 Nofretete (1926 RK)          Discovered 1926-Sep-13 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1926 RK = 1929 CV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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