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79349 (1996 XQ21)
Classification: Main-belt Asteroid          SPK-ID: 2079349
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09473746809376846 4.1267e-08  
a 3.143940520149152 2.3096e-08 au
q 2.846091555432816 1.3384e-07 au
i 16.3243422201432 4.895e-06 deg
node 40.14062103810301 1.6694e-05 deg
peri 74.31582303223018 3.7156e-05 deg
M 29.67310794890055 3.003e-05 deg
tp 2458832.669671651949
(2019-Dec-15.16967165)
0.00017026 TDB
period 2036.150655649028
5.57
2.2437e-05
6.143e-08
d
yr
n .1768042060155166 1.9483e-09 deg/d
Q 3.441789484865489 2.5284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      8542 days (23.39 yr)  
   first obs. used      1996-12-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51054  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:39:54  

Additional Information
 Earth MOID = 1.91501 au 
 Jupiter MOID = 1.82534 au 
 T_jup = 3.140 
[ 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 14.4   n/a MPO502634  
diameter diameter 6.908 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79349 (1996 XQ21)          Discovered 1996-Dec-08 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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