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101394 (1998 UL38)
Classification: Main-belt Asteroid          SPK-ID: 2101394
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1666809142389343 3.3324e-08  
a 2.395033673733765 9.304e-09 au
q 1.995827271362787 8.3139e-08 au
i 3.753101440414541 3.3882e-06 deg
node 77.97338637775154 6.098e-05 deg
peri 346.072359683712 6.221e-05 deg
M 273.2089324318046 1.302e-05 deg
tp 2459326.891163439573
(2021-Apr-22.39116344)
4.972e-05 TDB
period 1353.835390328862
3.71
7.8889e-06
2.16e-08
d
yr
n .2659112049896641 1.5495e-09 deg/d
Q 2.794240076104742 1.0855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      8045 days (22.03 yr)  
   first obs. used      1998-10-11  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:51  

Additional Information
 Earth MOID = 1.00949 au 
 Jupiter MOID = 2.50933 au 
 T_jup = 3.508 
[ 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 16.0   n/a MPO280448  

101394 (1998 UL38)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 UL38 = 1998 VD8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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