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48457 Joseffried (1991 RO3)
Classification: Main-belt Asteroid          SPK-ID: 2048457
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .07528905450331463 3.9544e-08  
a 2.338978997294869 1.1654e-08 au
q 2.162879480085427 9.6048e-08 au
i 6.295166232404101 5.2242e-06 deg
node 328.9024331875738 3.6702e-05 deg
peri 290.3037966152301 5.1294e-05 deg
M 353.3940660757966 3.7322e-05 deg
tp 2458624.475608293322
(2019-May-20.97560829)
0.00013551 TDB
period 1306.585728018273
3.58
9.7648e-06
2.673e-08
d
yr
n .2755272710241676 2.0592e-09 deg/d
Q 2.515078514504311 1.2531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      9736 days (26.66 yr)  
   first obs. used      1991-09-12  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5666  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:46:29  

Additional Information
 Earth MOID = 1.15677 au 
 Jupiter MOID = 2.54698 au 
 T_jup = 3.554 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO436121  

48457 Joseffried           Discovered 1991 Sept. 12 by L. D. Schmadel and F. Börngen at Tautenburg.
Josef W. Fried (b. 1948) is a German astronomer at the Heidelberg Max-Planck-Institut für Astronomie who was heavily involved in several instrumentation projects for the Calar Alto telescopes. Fried studied high-redshift quasars and tidal streams in our galaxy. He is an enthusiastic motorcyclist.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2013-04-25Last Updated: 2013-04-29

Alternate Designations
 1991 RO3 = 1998 RU23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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