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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09748853545436506 3.5207e-08  
a 2.907196590568288 1.2651e-08 au
q 2.623778252675862 1.0421e-07 au
i 5.48995955305513 4.0899e-06 deg
node 318.5991858019069 4.138e-05 deg
peri 266.7881370889884 4.6616e-05 deg
M 89.72091681164653 2.2175e-05 deg
tp 2458549.266608858785
(2019-Mar-06.76660886)
0.00011145 TDB
period 1810.54793668527
4.96
1.1818e-05
3.236e-08
d
yr
n .198834834861696 1.2979e-09 deg/d
Q 3.190614928460714 1.3884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3615  
   data-arc span      33315 days (91.21 yr)  
   first obs. used      1929-02-05  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:18:26  

Additional Information
 Earth MOID = 1.62192 au 
 Jupiter MOID = 1.84119 au 
 T_jup = 3.271 
[ show covariance matrix ]

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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