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JPL Small-Body Database Browser
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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 
[ 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-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1923-Jun-29 02:13 < 00:01 Hebe 0.0424245907751275 0.0424037626436331 0.0424454192307512 7.77325026226845 7.77325024341732 2423599.592129608 0.932144323602595 1054.81041157125 37.8795900894009 10.1095339667826 29992.9025603167 T 17 CATAB v2.0e-lin.ifort 2019-Jul-13 05:24:20 2019-Jul-13 05:24
2098-Sep-02 02:57 00:01 Hebe 0.0171439392648523 0.0171335772709599 0.0171543179574382 6.63398004191723 6.63397998725683 2487583.622819764 1.40419201033055 991.460592348141 39.3868109118727 58.6439029448606 55606.7239661407 T 17 CATAB v2.0e-lin.ifort 2019-Jul-13 05:24:20 2019-Jul-13 05:24

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