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30492 (2000 QQ40)
Classification: Main-belt Asteroid          SPK-ID: 2030492
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806289219570263 2.9249e-08  
a 3.160375403570233 1.5549e-08 au
q 2.58952020144384 9.0919e-08 au
i 1.92134103192329 4.3154e-06 deg
node 149.8350360951583 0.00010771 deg
peri 293.7595383592188 0.00010845 deg
M 126.4632923286869 1.3007e-05 deg
tp 2458479.610965000965
(2018-Dec-27.11096500)
7.2336e-05 TDB
period 2052.137405415178
5.62
1.5145e-05
4.146e-08
d
yr
n .175426849610573 1.2946e-09 deg/d
Q 3.731230605696627 1.8357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1499  
   data-arc span      8811 days (24.12 yr)  
   first obs. used      1997-01-02  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:36:20  

Additional Information
 Earth MOID = 1.60599 au 
 Jupiter MOID = 1.5123 au 
 T_jup = 3.179 
[ 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 MPO452599  
diameter diameter 10.264 km 0.402 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30492 (2000 QQ40)          Discovered 2000-Aug-24 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 QQ40 = 1997 AG20 = 1998 HJ92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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