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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09748853864927298 3.3515e-08  
a 2.907196589312907 1.1863e-08 au
q 2.623778242254641 9.8044e-08 au
i 5.48995984493724 4.0667e-06 deg
node 318.599177506716 3.9127e-05 deg
peri 266.7881463212428 4.4526e-05 deg
M 89.72091641405791 2.2106e-05 deg
tp 2458549.266611150654
(2019-Mar-06.76661115)
0.00011102 TDB
period 1810.547935512528
4.96
1.1082e-05
3.034e-08
d
yr
n .1988348349904867 1.2171e-09 deg/d
Q 3.190614936371173 1.302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3758  
   data-arc span      33417 days (91.49 yr)  
   first obs. used      1929-02-05  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:27:32  

Additional Information
 Earth MOID = 1.62192 au 
 Jupiter MOID = 1.84119 au 
 T_jup = 3.271 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456051.5 (2012-May-04.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09450784346717231 3.3684e-08  
q 2.634552515058467 9.7744e-08 au
tp 2456738.528576363596
(2014-Mar-22.02857636)
0.00011428 TDB
node 318.7518801576596 3.9227e-05 deg
peri 266.7413348925533 4.4889e-05 deg
i 5.480679181816463 4.0604e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3758  
   data-arc span      33417 days (91.49 yr)  
   first obs. used      1929-02-05  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:27:32  

Additional Information
 Jupiter MOID = 1.84119 au 
 T_jup = 3.271 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.134630548163921E-15 -3.273010399387418E-15 -9.658045387819537E-14 8.70188920504144E-17 -2.367357018372292E-14 -9.521501537363084E-17
q -3.273010399387418E-15 9.553865118982112E-15 1.771432795818079E-13 -2.740492133682731E-15 3.960071892845979E-14 9.069467734517929E-16
tp -9.658045387819537E-14 1.771432795818079E-13 1.306056559652135E-8 1.738035406154935E-11 2.510540624896486E-9 -2.507629210492792E-12
node 8.70188920504144E-17 -2.740492133682731E-15 1.738035406154935E-11 1.538757443751504E-9 -1.527747123884312E-9 9.283245865320582E-13
peri -2.367357018372292E-14 3.960071892845979E-14 2.510540624896486E-9 -1.527747123884312E-9 2.015002159350459E-9 -1.317961311412688E-12
i -9.521501537363084E-17 9.069467734517929E-16 -2.507629210492792E-12 9.283245865320582E-13 -1.317961311412688E-12 1.648671951969851E-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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