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135084 (2001 QL31)
Classification: Main-belt Asteroid          SPK-ID: 2135084
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560888957176715 4.9767e-08  
a 2.705409709487711 1.2005e-08 au
q 2.283125295469907 1.3128e-07 au
i 9.168184285195057 4.3609e-06 deg
node 10.4131846861855 2.496e-05 deg
peri 352.6278256053654 2.8263e-05 deg
M 127.5716797561504 1.3396e-05 deg
tp 2458624.530128286040
(2019-May-21.03012829)
5.9291e-05 TDB
period 1625.354108477427
4.45
1.0819e-05
2.962e-08
d
yr
n .2214901959655025 1.4743e-09 deg/d
Q 3.127694123505514 1.3879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      10418 days (28.52 yr)  
   first obs. used      1992-09-30  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49895  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:20:40  

Additional Information
 Earth MOID = 1.27975 au 
 Jupiter MOID = 2.32957 au 
 T_jup = 3.330 
[ 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 15.37   n/a MPCxxxxx  
diameter diameter 1.934 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.358   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

135084 (2001 QL31)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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