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80034 (1999 JQ21)
Classification: Main-belt Asteroid          SPK-ID: 2080034
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805139046509141 4.1136e-08  
a 3.102960314407351 2.2145e-08 au
q 2.542832832076852 1.2791e-07 au
i 21.54230089406285 5.6177e-06 deg
node 228.5268472957112 1.3221e-05 deg
peri 85.42612265196574 2.0296e-05 deg
M 229.0423444326046 1.713e-05 deg
tp 2459726.758368165449
(2022-May-27.25836817)
9.8669e-05 TDB
period 1996.469862008248
5.47
2.1372e-05
5.851e-08
d
yr
n .1803182741951718 1.9303e-09 deg/d
Q 3.66308779673785 2.6143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      7710 days (21.11 yr)  
   first obs. used      1999-04-15  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:21:03  

Additional Information
 Earth MOID = 1.63984 au 
 Jupiter MOID = 1.86244 au 
 T_jup = 3.090 
[ 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 13.3   n/a MPO385317  
diameter diameter 10.739 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80034 (1999 JQ21)          Discovered 1999-May-10 by LINEAR at Socorro
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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