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101493 (1998 XB3)
Classification: Main-belt Asteroid          SPK-ID: 2101493
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839687089688209 4.3597e-08  
a 2.355940051774088 9.7676e-09 au
q 1.922520802041272 1.0461e-07 au
i 7.488025026438794 4.3228e-06 deg
node 125.1732079181231 3.9525e-05 deg
peri 248.6567194477364 4.1625e-05 deg
M 26.00500105711251 1.523e-05 deg
tp 2458905.088844623310
(2020-Feb-25.58884462)
5.5535e-05 TDB
period 1320.823477767708
3.62
8.2141e-06
2.249e-08
d
yr
n .2725572387677627 1.695e-09 deg/d
Q 2.789359301506904 1.1565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      10492 days (28.73 yr)  
   first obs. used      1992-02-01  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:17  

Additional Information
 Earth MOID = .937377 au 
 Jupiter MOID = 2.70046 au 
 T_jup = 3.520 
[ 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 16.2   n/a MPO432542  

101493 (1998 XB3)          Discovered 1998-Dec-07 by Tombelli, M., Boattini, A. at San Marcello
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 XB3 = 2001 MV7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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