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97048 (1999 US42)
Classification: Main-belt Asteroid          SPK-ID: 2097048
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599379566088126 5.3488e-08  
a 2.658145934206574 1.8186e-08 au
q 2.233007505121551 1.4013e-07 au
i 11.02307565475556 5.5635e-06 deg
node 245.2203363891966 3.6287e-05 deg
peri 215.9688341613073 4.4491e-05 deg
M 126.1037613993522 2.4149e-05 deg
tp 2458046.011941665925
(2017-Oct-19.51194167)
0.00010531 TDB
period 1582.948032518341
4.33
1.6245e-05
4.448e-08
d
yr
n .2274237641442148 2.3339e-09 deg/d
Q 3.083284363291597 2.1094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      6801 days (18.62 yr)  
   first obs. used      1999-10-03  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5842  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 03:43:03  

Additional Information
 Earth MOID = 1.25953 au 
 Jupiter MOID = 2.15989 au 
 T_jup = 3.343 
[ 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 15.0   n/a MPO395862  
diameter diameter 2.838 km 0.666 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.182   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97048 (1999 US42)          Discovered 1999-Oct-28 by CSS at Catalina
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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