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JPL Small-Body Database Browser
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34757 (2001 QX139)
Classification: Main-belt Asteroid          SPK-ID: 2034757
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863231858085354 4.5459e-08  
a 2.668625181225194 1.5234e-08 au
q 2.171398435730436 1.2779e-07 au
i 10.90592641483914 7.8189e-06 deg
node 339.8271268899482 2.3334e-05 deg
peri 87.82567570911556 3.2817e-05 deg
M 350.8664817549287 2.3188e-05 deg
tp 2458640.898514541730
(2019-Jun-06.39851454)
0.00010275 TDB
period 1592.317970445929
4.36
1.3635e-05
3.733e-08
d
yr
n .2260854971693763 1.936e-09 deg/d
Q 3.165851926719952 1.8073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1259  
   data-arc span      9624 days (26.35 yr)  
   first obs. used      1992-09-30  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46496  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:43:36  

Additional Information
 Earth MOID = 1.21718 au 
 Jupiter MOID = 2.23937 au 
 T_jup = 3.332 
[ 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 13.8   n/a MPO365662  
diameter diameter 8.145 km 2.292 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.035   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

34757 (2001 QX139)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QX139 = 1992 SM25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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