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98825 Maryellen (2000 YF139)
Classification: Main-belt Asteroid          SPK-ID: 2098825
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613762191503564 7.3831e-08  
a 2.604057600451469 3.0943e-08 AU
q 2.183824630440862 1.8333e-07 AU
i 14.39747741964095 1.4104e-05 deg
node 355.9941876356498 2.9582e-05 deg
peri 105.0694619672484 6.6001e-05 deg
M 121.7062878887533 5.4034e-05 deg
tp 2456481.598624324904
(2013-Jul-08.09862432)
0.00022672 JED
period 1534.879573467765
4.20
2.7357e-05
7.49e-08
d
yr
n .234546088320564 4.1805e-09 deg/d
Q 3.024290570462077 3.5936e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      5407 days (14.80 yr)  
   first obs. used      1999-09-04  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60699  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 06:26:08  

Additional Information
 Earth MOID = 1.24992 AU 
 T_jup = 3.351 
[ 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 15.0 mag n/a MPO299578  

98825 Maryellen           Discovered 2000 Dec. 27 by E. E. Sheridan at the Crescent Butte Observatory.
Mary Ellen Craven has been a faithful companion and partner for many years. Her support and assistance has permitted the discoverer to continue his interest in astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 2000 YF139 = 1999 RM100 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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