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56039 (1998 XO3)
Classification: Main-belt Asteroid          SPK-ID: 2056039
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2355900696930877 4.4345e-08  
a 2.353732104767507 1.113e-08 au
q 1.799216194166472 1.0331e-07 au
i 7.661709911604691 5.5136e-06 deg
node 267.1475187845645 3.6423e-05 deg
peri 108.6658428464634 3.8118e-05 deg
M 275.0080103066533 1.1919e-05 deg
tp 2458911.893447119410
(2020-Mar-03.39344712)
4.4734e-05 TDB
period 1318.967132872795
3.61
9.355e-06
2.561e-08
d
yr
n .2729408421390281 1.9359e-09 deg/d
Q 2.908248015368542 1.3752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      11618 days (31.81 yr)  
   first obs. used      1987-11-12  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56068  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:25:00  

Additional Information
 Earth MOID = .817941 au 
 Jupiter MOID = 2.61602 au 
 T_jup = 3.506 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO436174  
diameter diameter 2.476 km 0.499 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56039 (1998 XO3)          Discovered 1998-Dec-09 by Kobayashi, T. at Oizumi
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XO3 = 1987 VM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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