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(1998 UQ1)
Classification: Outer Main-belt Asteroid          SPK-ID: 3015830
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .509845084915717 2.4946e-07  
a 3.229962865139492 2.3185e-07 au
q 1.583182173887835 8.0618e-07 au
i 64.01299425391908 7.9987e-05 deg
node 222.4157326320923 1.678e-05 deg
peri 183.6600255550729 0.00022943 deg
M 302.9463806497025 0.0001182 deg
tp 2459536.527963791698
(2021-Nov-18.02796379)
0.00073166 TDB
period 2120.287342723689
5.81
0.00022829
6.25e-07
d
yr
n .1697883078137652 1.8281e-08 deg/d
Q 4.876743556391149 3.5006e-07 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6284 days (17.20 yr)  
   first obs. used      1998-10-19  
   last obs. used      2016-01-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:49:05  

Additional Information
 Earth MOID = .592153 au 
 Jupiter MOID = .553305 au 
 T_jup = 2.205 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO71974  
diameter diameter 1.907 km 0.460 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.124   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

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