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13514 Mikerudenko (1990 MR)
Classification: Main-belt Asteroid          SPK-ID: 2013514
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2156225754446072 5.4887e-08  
a 2.343269617575654 1.7832e-08 AU
q 1.838007787672892 1.3008e-07 AU
i 6.875844832910324 6.2565e-06 deg
node 248.2784601461308 4.6387e-05 deg
peri 7.494782009141005 4.9739e-05 deg
M 316.9580795129237 2.5102e-05 deg
tp 2457157.146595072888
(2015-May-14.64659507)
9.2663e-05 JED
period 1310.18257522157
3.59
1.4955e-05
4.094e-08
d
yr
n .2747708653804368 3.1364e-09 deg/d
Q 2.848531447478417 2.1677e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      934  
   data-arc span      12139 days (33.23 yr)  
   first obs. used      1980-11-01  
   last obs. used      2014-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51034  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:40:17  

Additional Information
 Earth MOID = .825064 AU 
 T_jup = 3.522 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO253459  

13514 Mikerudenko           Discovered 1990 June 18 by H. E. Holt at Palomar.
Michael Rudenko (b. 1955) has been an IT specialist at the Minor Planet Center, handling the website and database, since 2009. He (co-)discovered three comets visually: C/1984 V1 (Levy-Rudenko); C/1987 Q1 (Rudenko); and C/1989 Q1 (Okazaki-Levy-Rudenko).
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 2014-09-09Last Updated: 2014-09-12

[ show close-approach data ]
Alternate Designations
 1990 MR = 1980 VM4 = 1983 RH5 = 1990 OF4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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