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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09759098563222392 3.097e-08  
a 2.905827883399265 1.0344e-08 au
q 2.622245276180732 8.8331e-08 au
i 5.490576837848374 3.8449e-06 deg
node 318.6015556385753 3.4334e-05 deg
peri 266.5059448435429 3.9984e-05 deg
M 129.795395402545 2.1833e-05 deg
tp 2458548.180979341772
(2019-Mar-05.68097934)		 0.00010924 TDB
period 1809.269479157173
4.95		 9.6606e-06
2.645e-08		 d
yr
n .1989753346017321 1.0624e-09 deg/d
Q 3.189410490617798 1.1353e-08 au
   Orbit Determination Parameters
   # obs. used (total)      4252  
   data-arc span      33610 days (92.02 yr)  
   first obs. used      1929-02-05  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:55:46  

Additional Information
 Earth MOID = 1.61927 au 
 Jupiter MOID = 1.84081 au 
 T_jup = 3.271 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456683.5 (2014-Jan-26.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09526390966992632 3.1101e-08  
q 2.63048782960092 8.8547e-08 au
tp 2456740.048301455944
(2014-Mar-23.54830146)		 0.00011089 TDB
node 318.7189497005044 3.4395e-05 deg
peri 267.2438645653592 4.0258e-05 deg
i 5.484111161265449 3.8406e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      4252  
   data-arc span      33610 days (92.02 yr)  
   first obs. used      1929-02-05  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:55:46  

Additional Information
 Jupiter MOID = 1.84081 au 
 T_jup = 3.271 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.672761136228371E-16 -2.739340260182421E-15 -3.385526634345E-13 -2.665836225533889E-15 -8.502135988414021E-14 2.697708307418178E-16
q -2.739340260182421E-15 7.840549986406805E-15 9.817072142984682E-13 9.149897262565947E-15 2.415166430748635E-13 1.998790251085871E-17
tp -3.385526634345E-13 9.817072142984682E-13 1.229588215166354E-8 2.039620181927012E-11 2.33343689767291E-9 -2.853469889034015E-12
node -2.665836225533889E-15 9.149897262565947E-15 2.039620181927012E-11 1.183003779583028E-9 -1.173136836413453E-9 2.363354410126129E-11
peri -8.502135988414021E-14 2.415166430748635E-13 2.33343689767291E-9 -1.173136836413453E-9 1.620739083177731E-9 -2.399056217442486E-11
i 2.697708307418178E-16 1.998790251085871E-17 -2.853469889034015E-12 2.363354410126129E-11 -2.399056217442486E-11 1.475050812896273E-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 10.75   n/a E2021B10  
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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