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JPL Small-Body Database Browser
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34728 (2001 QM30)
Classification: Main-belt Asteroid          SPK-ID: 2034728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05426305227899503 3.312e-08  
a 2.749802478830079 1.154e-08 au
q 2.600589803164412 9.0273e-08 au
i 4.724747846760773 3.9106e-06 deg
node 196.6362075988294 3.9533e-05 deg
peri 120.2340477456757 5.2661e-05 deg
M 102.7128822338942 3.4521e-05 deg
tp 2458525.303655691531
(2019-Feb-10.80365569)
0.00015992 TDB
period 1665.523157664807
4.56
1.0484e-05
2.87e-08
d
yr
n .2161483005164263 1.3606e-09 deg/d
Q 2.899015154495745 1.2166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1887  
   data-arc span      8508 days (23.29 yr)  
   first obs. used      1996-10-18  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:34:00  

Additional Information
 Earth MOID = 1.5914 au 
 Jupiter MOID = 2.25267 au 
 T_jup = 3.339 
[ 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 13.7   n/a MPO502411  
diameter diameter 9.706 km 0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.179 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.073   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34728 (2001 QM30)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 QM30 = 1996 UX4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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