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JPL Small-Body Database Browser
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48535 (1993 RD4)
Classification: Main-belt Asteroid          SPK-ID: 2048535
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1564304707079011 3.306e-08  
a 2.625847692003045 1.4083e-08 au
q 2.215085101535753 8.5607e-08 au
i 3.732563664108584 4.9826e-06 deg
node 338.5072194777733 5.7257e-05 deg
peri 89.89098666953477 5.9854e-05 deg
M 314.403204957142 1.7505e-05 deg
tp 2458797.349602245827
(2019-Nov-09.84960225)
7.6261e-05 TDB
period 1554.185041775158
4.26
1.2503e-05
3.423e-08
d
yr
n .2316326501179136 1.8634e-09 deg/d
Q 3.036610282470338 1.6286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      979  
   data-arc span      9542 days (26.12 yr)  
   first obs. used      1993-09-15  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52788  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:37:29  

Additional Information
 Earth MOID = 1.23271 au 
 Jupiter MOID = 2.25924 au 
 T_jup = 3.382 
[ 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 15.0   n/a MPO452832  

48535 (1993 RD4)          Discovered 1993-Sep-15 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 RD4 = 2001 QO39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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