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101368 (1998 UW2)
Classification: Main-belt Asteroid          SPK-ID: 2101368
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812797129297572 5.664e-08  
a 2.543831427063498 9.0104e-09 au
q 2.082686396223733 1.467e-07 au
i 5.633597185351748 4.5722e-06 deg
node 22.33501707999477 3.6975e-05 deg
peri 327.5148736545427 3.8185e-05 deg
M 148.2822178314883 9.4409e-06 deg
tp 2458390.095830132679
(2018-Sep-28.59583013)
3.7354e-05 TDB
period 1481.941020075381
4.06
7.8737e-06
2.156e-08
d
yr
n .2429246475556011 1.2907e-09 deg/d
Q 3.004976457903264 1.0644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      8827 days (24.17 yr)  
   first obs. used      1996-02-18  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:59  

Additional Information
 Earth MOID = 1.0796 au 
 Jupiter MOID = 2.42927 au 
 T_jup = 3.414 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO309887  
diameter diameter 1.777 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.387   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101368 (1998 UW2)          Discovered 1998-Oct-20 by ODAS at Caussols
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 UW2 = 2002 PY49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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