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49882 (1999 XO140)
Classification: Main-belt Asteroid          SPK-ID: 2049882
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685943771264385 5.8776e-08  
a 2.549228553717292 1.2999e-08 au
q 2.119442953550394 1.5448e-07 au
i 2.21028945642216 3.62e-06 deg
node 266.3736625134335 0.00019235 deg
peri 28.64596924607934 0.00019342 deg
M 82.68986614059585 2.0017e-05 deg
tp 2458259.023063560642
(2018-May-20.52306356)
8.319e-05 TDB
period 1486.659766858863
4.07
1.1371e-05
3.113e-08
d
yr
n .2421535902331154 1.8522e-09 deg/d
Q 2.97901415388419 1.519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      991  
   data-arc span      7741 days (21.19 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53819  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:24:34  

Additional Information
 Earth MOID = 1.10303 au 
 Jupiter MOID = 2.21171 au 
 T_jup = 3.420 
[ 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 MPO452848  
diameter diameter 3.569 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49882 (1999 XO140)          Discovered 1999-Dec-02 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XO140 = 1998 ST117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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