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135125 (2001 QP155)
Classification: Main-belt Asteroid          SPK-ID: 2135125
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1984083880050029 3.4965e-08  
a 2.933017012569885 1.7356e-08 au
q 2.351081835114645 1.0183e-07 au
i 3.870924943591425 4.3251e-06 deg
node 264.2948725721687 6.6261e-05 deg
peri 125.3172356287538 6.7491e-05 deg
M 271.2449490917164 1.521e-05 deg
tp 2459652.835711874941
(2022-Mar-14.33571187)
8.0161e-05 TDB
period 1834.722132526889
5.02
1.6285e-05
4.459e-08
d
yr
n .1962149982374642 1.7416e-09 deg/d
Q 3.514952190025125 2.0799e-08 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      6935 days (18.99 yr)  
   first obs. used      2001-07-19  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:37  

Additional Information
 Earth MOID = 1.35795 au 
 Jupiter MOID = 1.95326 au 
 T_jup = 3.242 
[ 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 14.81   n/a E2021B55  
diameter diameter 8.241 km 2.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.023   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

135125 (2001 QP155)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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