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JPL Small-Body Database Browser
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66959 (1999 XO35)
Classification: Amor [NEO]          SPK-ID: 2066959
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 101 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5650609870849034 4.701e-08  
a 2.540227550265164 8.3179e-09 au
q 1.104844063292064 1.193e-07 au
i 20.60950582427294 1.3807e-05 deg
node 81.95067558095371 1.286e-05 deg
peri 293.4071467969219 2.7642e-05 deg
M 42.50246007517294 6.7231e-06 deg
tp 2458825.910176060797
(2019-Dec-08.41017606)
2.7472e-05 TDB
period 1478.792910032686
4.05
7.2634e-06
1.989e-08
d
yr
n .2434417946945952 1.1957e-09 deg/d
Q 3.975611037238264 1.3018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      7357 days (20.14 yr)  
   first obs. used      1999-12-06  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44945  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-27 05:41:42  

Additional Information
 Earth MOID = .277637 au 
 Jupiter MOID = 2.00822 au 
 T_jup = 3.128 
[ 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 16.6   n/a MPO219988  
SMASSII spectral type spec_B Sq   n/a Binzel et al. (2001) Icarus 151, 139-149  

66959 (1999 XO35)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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