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135122 (2001 QH139)
Classification: Main-belt Asteroid          SPK-ID: 2135122
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318743424026573 5.7705e-08  
a 3.093500628742572 2.1775e-08 au
q 2.685547267604939 1.7967e-07 au
i 9.42480473075204 6.3212e-06 deg
node 330.0249643288761 2.8236e-05 deg
peri 48.43391533534234 3.4348e-05 deg
M 200.135740308986 1.934e-05 deg
tp 2460083.016065055457
(2023-May-18.51606506)
0.00011125 TDB
period 1987.34716586451
5.44
2.0983e-05
5.745e-08
d
yr
n .1811460051789177 1.9126e-09 deg/d
Q 3.501453989880206 2.4646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      9024 days (24.71 yr)  
   first obs. used      1995-09-02  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51919  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:36  

Additional Information
 Earth MOID = 1.6961 au 
 Jupiter MOID = 2.02999 au 
 T_jup = 3.190 
[ 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 14.48   n/a E2021B55  
diameter diameter 5.491 km 1.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135122 (2001 QH139)          Discovered 2001-Aug-22 by LINEAR at Socorro
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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