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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2828497780525792 3.3482e-08  
a 2.667981498409453 1.2177e-08 au
q 1.913343523735952 8.7485e-08 au
i 10.81904413294036 6.4474e-06 deg
node 298.5816839858189 2.2463e-05 deg
peri 114.6275941134594 2.7819e-05 deg
M 33.9770920568992 1.2797e-05 deg
tp 2459050.270108598239
(2020-Jul-19.77010860)
5.6349e-05 TDB
period 1591.741895217671
4.36
1.0897e-05
2.983e-08
d
yr
n .2261673208964383 1.5484e-09 deg/d
Q 3.422619473082955 1.5621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      10043 days (27.50 yr)  
   first obs. used      1993-07-24  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:00:03  

Additional Information
 Earth MOID = .953398 au 
 Jupiter MOID = 2.0678 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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