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74692 (1999 RF134)
Classification: Main-belt Asteroid          SPK-ID: 2074692
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253093716507009 5.0605e-08  
a 2.355754699222061 1.1122e-08 au
q 2.060556558099359 1.2242e-07 au
i 6.141050896001063 5.5247e-06 deg
node 292.9899738870074 4.6427e-05 deg
peri 72.47810182412367 5.1439e-05 deg
M 134.5089225198989 2.1447e-05 deg
tp 2458107.051175106245
(2017-Dec-19.55117511)
7.7485e-05 TDB
period 1320.667608020367
3.62
9.3528e-06
2.561e-08
d
yr
n .272589406913392 1.9304e-09 deg/d
Q 2.650952840344764 1.2516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      7170 days (19.63 yr)  
   first obs. used      1999-08-08  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5754  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:24:16  

Additional Information
 Earth MOID = 1.06724 au 
 Jupiter MOID = 2.8128 au 
 T_jup = 3.536 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457052.5 (2015-Jan-30.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242227674819697 5.0639e-08  
q 2.063469738940416 1.2236e-07 au
tp 2456784.160163510773
(2014-May-06.66016351)
7.5936e-05 TDB
node 293.0832409284251 4.6344e-05 deg
peri 72.01930714862478 5.147e-05 deg
i 6.146013678528359 5.5292e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      7170 days (19.63 yr)  
   first obs. used      1999-08-08  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5754  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:24:16  

Additional Information
 Jupiter MOID = 2.8128 au 
 T_jup = 3.536 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.564344058459304E-15 -6.178085792022774E-15 -1.723489095840934E-12 2.977846549134738E-14 -5.280616204811391E-13 -2.745241451938799E-15
q -6.178085792022774E-15 1.497094515016213E-14 4.216215792363494E-12 -7.125001836949957E-14 1.293540821584326E-12 7.345196763096183E-15
tp -1.723489095840934E-12 4.216215792363494E-12 5.766217558494046E-9 -5.637306859825709E-11 1.725084915531836E-9 3.793031991903588E-12
node 2.977846549134738E-14 -7.125001836949957E-14 -5.637306859825709E-11 2.147748400054117E-9 -2.150854931760693E-9 1.019981344088936E-10
peri -5.280616204811391E-13 1.293540821584326E-12 1.725084915531836E-9 -2.150854931760693E-9 2.649199503059427E-9 -1.002972798255895E-10
i -2.745241451938799E-15 7.345196763096183E-15 3.793031991903588E-12 1.019981344088936E-10 -1.002972798255895E-10 3.057246168356605E-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 15.8   n/a MPO432299  
diameter diameter 1.584 km 0.318 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.241 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.369   0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74692 (1999 RF134)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RF134 = 2002 NO2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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