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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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0974885516809363 3.113e-08  
a 2.907196583730993 1.063e-08 au
q 2.623778199331293 8.9129e-08 au
i 5.489960339791737 3.9121e-06 deg
node 318.5991673389431 3.4729e-05 deg
peri 266.7881616390562 4.0439e-05 deg
M 89.72091374706682 2.197e-05 deg
tp 2458549.266625863326
(2019-Mar-06.76662586)
0.00011019 TDB
period 1810.54793029806
4.96
9.9306e-06
2.719e-08
d
yr
n .198834835563141 1.0906e-09 deg/d
Q 3.190614968130693 1.1667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4046  
   data-arc span      33516 days (91.76 yr)  
   first obs. used      1929-02-05  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35863  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:58:10  

Additional Information
 Earth MOID = 1.62192 au 
 Jupiter MOID = 1.84119 au 
 T_jup = 3.271 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456525.5 (2013-Aug-21.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09512905075347929 3.1278e-08  
q 2.630494889051892 8.9197e-08 au
tp 2456740.138002127769
(2014-Mar-23.63800213)
0.00011189 TDB
node 318.7222050966669 3.4791e-05 deg
peri 267.2602732480163 4.0718e-05 deg
i 5.484309649671066 3.9085e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      4046  
   data-arc span      33516 days (91.76 yr)  
   first obs. used      1929-02-05  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35863  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:58:10  

Additional Information
 Jupiter MOID = 1.84119 au 
 T_jup = 3.271 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.782968088140665E-16 -2.77482181008002E-15 -3.085050338232877E-13 -2.381833091858205E-15 -7.821973533413308E-14 2.380478390554234E-16
q -2.77482181008002E-15 7.956058145299873E-15 8.872449603062108E-13 8.228436921236307E-15 2.19714023450315E-13 1.547404072949645E-16
tp -3.085050338232877E-13 8.872449603062108E-13 1.251936826885776E-8 2.003097665664735E-11 2.380399099390197E-9 -2.865299225036465E-12
node -2.381833091858205E-15 8.228436921236307E-15 2.003097665664735E-11 1.210388924073254E-9 -1.200487760525849E-9 2.031999373947155E-11
peri -7.821973533413308E-14 2.19714023450315E-13 2.380399099390197E-9 -1.200487760525849E-9 1.657920732170816E-9 -2.069358161824562E-11
i 2.380478390554234E-16 1.547404072949645E-16 -2.865299225036465E-12 2.031999373947155E-11 -2.069358161824562E-11 1.527658314967154E-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. 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:
[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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