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135498 (2001 XR80)
Classification: Outer Main-belt Asteroid          SPK-ID: 2135498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2451359339074439 6.2814e-08  
a 3.210374850378845 3.2744e-08 au
q 2.423396613238256 1.8949e-07 au
i 26.49570209929927 4.8917e-06 deg
node 93.8196539494234 1.0909e-05 deg
peri 261.5534722074807 1.437e-05 deg
M 161.8790072887864 1.3284e-05 deg
tp 2458255.743093687023
(2018-May-17.24309369)
6.9555e-05 TDB
period 2101.02898435696
5.75
3.2144e-05
8.801e-08
d
yr
n .1713446138441452 2.6214e-09 deg/d
Q 3.997353087519433 4.077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      7078 days (19.38 yr)  
   first obs. used      2001-12-11  
   last obs. used      2021-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:21:36  

Additional Information
 Earth MOID = 1.57244 au 
 Jupiter MOID = 1.92284 au 
 T_jup = 2.984 
[ 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 14.25   n/a E2021B55  
diameter diameter 8.074 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135498 (2001 XR80)          Discovered 2001-Dec-11 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2001 XR80 = 2004 GH28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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