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216696 (2004 QB7)
Classification: Main-belt Asteroid          SPK-ID: 2216696
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039281166406643 6.4178e-08  
a 3.055887967306333 2.7395e-08 au
q 2.738295286199318 2.0541e-07 au
i 10.60780705359903 4.9118e-06 deg
node 107.74218692 3.0804e-05 deg
peri 258.4383657239291 3.8366e-05 deg
M 350.6424252700963 2.2025e-05 deg
tp 2459251.218379948039
(2021-Feb-05.71837995)
0.00011936 TDB
period 1951.21249985273
5.34
2.6238e-05
7.184e-08
d
yr
n .1845006630631832 2.481e-09 deg/d
Q 3.373480648413348 3.0242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      7663 days (20.98 yr)  
   first obs. used      1999-10-16  
   last obs. used      2020-10-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54934  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:55  

Additional Information
 Earth MOID = 1.75953 au 
 Jupiter MOID = 2.11519 au 
 T_jup = 3.201 
[ 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 15.37   n/a E2021B55  
diameter diameter 3.262 km 0.367 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.126   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

216696 (2004 QB7)          Discovered 2004-Aug-22 by Broughton, J. at Reedy Creek
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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