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54921 (2001 OL95)
Classification: Main-belt Asteroid          SPK-ID: 2054921
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233249454296187 5.3746e-08  
a 2.847691182196098 1.9796e-08 au
q 2.496499822551358 1.4972e-07 au
i 6.759591984459473 5.4989e-06 deg
node 305.8304919711526 4.6196e-05 deg
peri 11.19620357869046 5.0773e-05 deg
M 358.499278314423 2.3887e-05 deg
tp 2459207.817039844766
(2020-Dec-24.31703984)
0.0001165 TDB
period 1755.24507270845
4.81
1.8303e-05
5.011e-08
d
yr
n .2050995644981347 2.1387e-09 deg/d
Q 3.198882541840838 2.2238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      7860 days (21.52 yr)  
   first obs. used      1998-12-22  
   last obs. used      2020-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64919  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:05:02  

Additional Information
 Earth MOID = 1.48133 au 
 Jupiter MOID = 2.07668 au 
 T_jup = 3.285 
[ 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 15.00   n/a E2021B10  
diameter diameter 5.348 km 0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

54921 (2001 OL95)          Discovered 2001-Jul-30 by NEAT at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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