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48465 (1991 RS20)
Classification: Main-belt Asteroid          SPK-ID: 2048465
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09701301423624019 3.5523e-08  
a 2.933545880127793 1.6958e-08 au
q 2.648953751896292 1.0335e-07 au
i 3.101438827054096 5.0651e-06 deg
node 52.10900604563657 0.00010712 deg
peri 22.16664742212618 0.00011262 deg
M 187.7287290930365 3.5378e-05 deg
tp 2459878.709460280691
(2022-Oct-26.20946028)
0.00018287 TDB
period 1835.218397336785
5.02
1.5914e-05
4.357e-08
d
yr
n .1961619393759464 1.701e-09 deg/d
Q 3.218138008359294 1.8604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1590  
   data-arc span      10565 days (28.93 yr)  
   first obs. used      1991-09-13  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4989  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:37:15  

Additional Information
 Earth MOID = 1.66418 au 
 Jupiter MOID = 2.00917 au 
 T_jup = 3.266 
[ 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 13.13   n/a E2021B10  

48465 (1991 RS20)          Discovered 1991-Sep-14 by Holt, H. E. at Palomar
Reference: 20021120/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
2048-Nov-17 13:49 00:01 Europ 0.032989430165014 0.0329818999526532 0.0329969606290302 2.36977870019571 2.36977856424261 2469398.075774598 1.35436682862109 401.545837965301 37.4351085899973 -21.1276549253339 48786.7042027988 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:37:19 2020-Nov-12 23:37

Alternate Designations
 1991 RS20 = 1999 FP26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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