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5102 Benfranklin (1986 RD1)
Classification: Main-belt Asteroid          SPK-ID: 2005102
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1941008950150318 4.0486e-08  
a 2.801486410170262 1.0465e-08 au
q 2.257715390583766 1.129e-07 au
i 8.103447581040429 4.435e-06 deg
node 317.2472227432718 2.51e-05 deg
peri 53.16384186719097 2.7566e-05 deg
M 50.67069145264981 9.2885e-06 deg
tp 2458759.434235784334
(2019-Oct-02.93423578)
4.4377e-05 TDB
period 1712.699642134081
4.69
9.5964e-06
2.627e-08
d
yr
n .2101944737674073 1.1777e-09 deg/d
Q 3.345257429756759 1.2496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2384  
   data-arc span      29668 days (81.23 yr)  
   first obs. used      1939-08-08  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:46:10  

Additional Information
 Earth MOID = 1.26759 au 
 Jupiter MOID = 2.1812 au 
 T_jup = 3.283 
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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 12.7   n/a MPO412211  
diameter diameter 16.727 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.041   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5102 Benfranklin (1986 RD1)          Discovered 1986-Sep-02 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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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
1936-Nov-25 06:03 < 00:01 Psych 0.0397919057549913 0.0397819317870253 0.0398018797232502 3.17194783321233 3.17194773735344 2428497.751947924 0.880784792878402 496.662035796993 36.058961277398 -0.480946697098043 12047.4206097734 T 35 CATAB v2.0f-lin.ifort 2020-Nov-13 03:46:16 2020-Nov-13 03:46

Alternate Designations
 1986 RD1 = 1930 UA1 = 1939 PB = 1988 AJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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