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JPL Small-Body Database Browser
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74176 (1998 RF17)
Classification: Main-belt Asteroid          SPK-ID: 2074176
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816193579000573 3.9461e-08  
a 2.611004003075794 1.2613e-08 au
q 2.136795132562689 1.0408e-07 au
i 2.309158736736017 4.003e-06 deg
node 281.9999157916155 0.00011944 deg
peri 17.15742076345198 0.00012058 deg
M 345.8079717595926 1.3624e-05 deg
tp 2458661.250757747256
(2019-Jun-26.75075775)
5.8168e-05 TDB
period 1541.025174029982
4.22
1.1167e-05
3.057e-08
d
yr
n .2336107197123542 1.6928e-09 deg/d
Q 3.085212873588899 1.4904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      7762 days (21.25 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54978  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:24:43  

Additional Information
 Earth MOID = 1.12048 au 
 Jupiter MOID = 2.12964 au 
 T_jup = 3.385 
[ 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 MPO436302  
diameter diameter 2.072 km 0.377 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.149   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74176 (1998 RF17)          Discovered 1998-Sep-14 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
2007-Jun-27 22:00 < 00:01 Amphi 0.0225027823933731 0.0225017006528602 0.0225038641437642 4.76658249368821 4.76658244009254 2454279.416366237 0.398315599333791 65.2796540592009 41.4852449104047 -46.8829665345432 68899.9316912643 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:24:47 2019-Dec-14 07:24

Alternate Designations
 1998 RF17 = 2000 AC224 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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