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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07498801503705425 3.5812e-08  
a 2.337889603071433 1.0063e-08 au
q 2.16257590236134 8.5063e-08 au
i 6.297423303775917 4.3567e-06 deg
node 328.8817469677657 3.6183e-05 deg
peri 289.973058851048 4.8329e-05 deg
M 103.9857426820104 3.4356e-05 deg
tp 2458623.357284754404
(2019-May-19.85728475)
0.00012357 TDB
period 1305.673008496993
3.57
8.4299e-06
2.308e-08
d
yr
n .2757198760005072 1.7801e-09 deg/d
Q 2.513203303781526 1.0817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1019  
   data-arc span      10641 days (29.13 yr)  
   first obs. used      1991-09-12  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53572  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:37:18  

Additional Information
 Earth MOID = 1.15692 au 
 Jupiter MOID = 2.54742 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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