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101387 (1998 UE28)
Classification: Main-belt Asteroid          SPK-ID: 2101387
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2946765179562093 3.2738e-08  
a 2.562322422338812 1.2498e-08 au
q 1.807266173042892 8.1831e-08 au
i 12.69783931399071 3.8388e-06 deg
node 225.0926977362494 2.3622e-05 deg
peri 183.9226271912823 2.6867e-05 deg
M 135.7664293643934 1.6119e-05 deg
tp 2458635.512306833836
(2019-Jun-01.01230683)
6.3797e-05 TDB
period 1498.128591081311
4.10
1.0961e-05
3.001e-08
d
yr
n .2402997994585773 1.7581e-09 deg/d
Q 3.317378671634733 1.618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      8183 days (22.40 yr)  
   first obs. used      1998-10-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52379  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:32  

Additional Information
 Earth MOID = .816747 au 
 Jupiter MOID = 2.08338 au 
 T_jup = 3.339 
[ 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 15.25   n/a E2021B55  
diameter diameter 4.285 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101387 (1998 UE28)          Discovered 1998-Oct-29 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 UE28 = 2002 TJ114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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