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135148 (2001 QT217)
Classification: Main-belt Asteroid          SPK-ID: 2135148
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06154117801650338 6.4372e-08  
a 3.029816854298322 2.254e-08 au
q 2.843358355910547 1.9301e-07 au
i 9.935326109096916 6.8147e-06 deg
node 352.1601194827548 2.5404e-05 deg
peri 39.71213619264917 5.0027e-05 deg
M 193.6532499062369 4.3156e-05 deg
tp 2460090.591825087738
(2023-May-26.09182509)
0.00023411 TDB
period 1926.295866020649
5.27
2.1496e-05
5.885e-08
d
yr
n .1868871788338983 2.0855e-09 deg/d
Q 3.216275352686098 2.3927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      777  
   data-arc span      6910 days (18.92 yr)  
   first obs. used      2001-06-15  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53721  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:43  

Additional Information
 Earth MOID = 1.85334 au 
 Jupiter MOID = 2.08247 au 
 T_jup = 3.218 
[ 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 14.51   n/a E2021B55  
diameter diameter 4.876 km 1.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.136   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135148 (2001 QT217)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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