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175771 (1998 XO2)
Classification: Main-belt Asteroid          SPK-ID: 2175771
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590828945483306 3.4321e-08  
a 2.601147135899451 1.5027e-08 au
q 2.187349120374467 8.9079e-08 au
i 2.833515249360119 4.5838e-06 deg
node 249.1780334466172 0.00011563 deg
peri 153.688005470808 0.00011737 deg
M 115.5530986753217 2.1323e-05 deg
tp 2458708.658805265300
(2019-Aug-13.15880527)
8.9006e-05 TDB
period 1532.307070379816
4.20
1.3278e-05
3.635e-08
d
yr
n .2349398543927401 2.0359e-09 deg/d
Q 3.014945151424435 1.7418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      7739 days (21.19 yr)  
   first obs. used      1998-12-07  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:56:05  

Additional Information
 Earth MOID = 1.19562 au 
 Jupiter MOID = 2.3811 au 
 T_jup = 3.395 
[ 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 MPO454208  

175771 (1998 XO2)          Discovered 1998-Dec-07 by Tesi, L., Boattini, A. at San Marcello
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 1998 XO2 = 2002 VL10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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