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JPL Small-Body Database Browser
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154817 (2004 QX8)
Classification: Main-belt Asteroid          SPK-ID: 2154817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04354107062349493 4.5695e-08  
a 3.194679271416621 3.9527e-08 au
q 3.055579515640455 1.4297e-07 au
i 16.28902775785346 6.4751e-06 deg
node 30.50094950256752 1.8961e-05 deg
peri 71.76066854523837 8.8326e-05 deg
M 184.4206762509842 8.4868e-05 deg
tp 2460017.708999608088
(2023-Mar-14.20899961)
0.00049439 TDB
period 2085.639880823178
5.71
3.8707e-05
1.06e-07
d
yr
n .1726088973029764 3.2034e-09 deg/d
Q 3.333779027192788 4.1248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      8446 days (23.12 yr)  
   first obs. used      1996-03-24  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55368  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:28:57  

Additional Information
 Earth MOID = 2.11279 au 
 Jupiter MOID = 1.78482 au 
 T_jup = 3.132 
[ 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 14.8   n/a MPO439922  
diameter diameter 7.107 km 0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154817 (2004 QX8)          Discovered 2004-Aug-19 by Siding Spring Survey at Siding Spring
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 QX8 = 1996 FZ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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