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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253586096160494 4.3621e-08  
a 2.355832936433688 1.1001e-08 au
q 2.060508995034666 1.0715e-07 au
i 6.141135190191008 4.1323e-06 deg
node 292.9909902367755 3.9814e-05 deg
peri 72.35355596142432 4.3543e-05 deg
M 243.6983959939077 1.8936e-05 deg
tp 2459427.176146839227
(2021-Jul-31.67614684)
7.1096e-05 TDB
period 1320.733399808273
3.62
9.2515e-06
2.533e-08
d
yr
n .2725758279848606 1.9094e-09 deg/d
Q 2.65115687783271 1.2381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      706  
   data-arc span      7625 days (20.88 yr)  
   first obs. used      1999-08-08  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:43  

Additional Information
 Earth MOID = 1.068 au 
 Jupiter MOID = 2.81526 au 
 T_jup = 3.536 
[ 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 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-August); 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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