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134490 (1998 XF40)
Classification: Main-belt Asteroid          SPK-ID: 2134490
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2826791139331138 4.3377e-08  
a 2.667348992791821 1.8316e-08 au
q 1.913345142959045 1.2059e-07 au
i 10.81912428683943 7.8319e-06 deg
node 298.5813936566548 3.2939e-05 deg
peri 114.6254125319957 3.7644e-05 deg
M 348.7415616681179 1.8948e-05 deg
tp 2459050.261543452675
(2020-Jul-19.76154345)
8.4077e-05 TDB
period 1591.175890907802
4.36
1.639e-05
4.487e-08
d
yr
n .2262477718881297 2.3304e-09 deg/d
Q 3.421352842624596 2.3494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      9535 days (26.11 yr)  
   first obs. used      1993-07-24  
   last obs. used      2019-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51588  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:26:55  

Additional Information
 Earth MOID = .954071 au 
 Jupiter MOID = 2.06817 au 
 T_jup = 3.300 
[ 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 15.9   n/a MPO453829  
diameter diameter 3.224 km 1.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.074   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

134490 (1998 XF40)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1998 XF40 = 2002 RT182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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