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102990 (1999 XF88)
Classification: Main-belt Asteroid          SPK-ID: 2102990
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1759407207995949 3.7834e-08  
a 2.241563374975665 7.6654e-09 au
q 1.847181099064474 8.4394e-08 au
i 4.738109630024385 4.1119e-06 deg
node 93.37634605950818 4.4625e-05 deg
peri 312.644630858537 4.6146e-05 deg
M 125.4155136152377 1.0258e-05 deg
tp 2458773.454922446271
(2019-Oct-16.95492245)
3.5238e-05 TDB
period 1225.815080509018
3.36
6.2879e-06
1.722e-08
d
yr
n .2936821431912149 1.5065e-09 deg/d
Q 2.635945650886856 9.0141e-09 au
  Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      8374 days (22.93 yr)  
   first obs. used      1997-03-12  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51004  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:20  

Additional Information
 Earth MOID = .859987 au 
 Jupiter MOID = 2.7455 au 
 T_jup = 3.609 
[ 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 16.54   n/a E2021B55  

102990 (1999 XF88)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2077-Feb-14 14:16 < 00:01 Iris 0.0417537041644271 0.0417401856323525 0.0417672228658189 4.2800453501164 4.28004531794798 2479714.094654065 0.567371415590722 686.759472986842 23.4475922976079 11.1466806437965 52238.0681095059 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 19:51:21 2020-Nov-12 19:51
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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