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80074 (1999 JS99)
Classification: Main-belt Asteroid          SPK-ID: 2080074
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863904920832005 4.4559e-08  
a 3.170183933304019 2.4958e-08 au
q 2.579291789981227 1.3656e-07 au
i 15.78315442056865 4.798e-06 deg
node 155.2143293329177 1.8665e-05 deg
peri 98.82200008458481 2.2437e-05 deg
M 187.2020652298837 1.3604e-05 deg
tp 2459590.103367856206
(2022-Jan-10.60336786)
8.25e-05 TDB
period 2061.698323548744
5.64
2.4347e-05
6.666e-08
d
yr
n .174613325280462 2.0621e-09 deg/d
Q 3.761076076626811 2.961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      8912 days (24.40 yr)  
   first obs. used      1994-09-01  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55362  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:17:38  

Additional Information
 Earth MOID = 1.62361 au 
 Jupiter MOID = 1.66252 au 
 T_jup = 3.117 
[ 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 MPO468758  
diameter diameter 4.614 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80074 (1999 JS99)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 JS99 = 2000 QW229 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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