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70958 (1999 XC6)
Classification: Main-belt Asteroid          SPK-ID: 2070958
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073337592854118 4.5121e-08  
a 2.753400520619033 1.5535e-08 au
q 2.182527639860679 1.2425e-07 au
i 2.756505636513972 4.1844e-06 deg
node 70.65077449200555 0.00011297 deg
peri 255.0200912452747 0.00011355 deg
M 249.0710736507464 1.4621e-05 deg
tp 2459514.715094522909
(2021-Oct-27.21509452)
7.0062e-05 TDB
period 1668.793164421471
4.57
1.4123e-05
3.867e-08
d
yr
n .215724757073057 1.8257e-09 deg/d
Q 3.324273401377387 1.8756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      757  
   data-arc span      10289 days (28.17 yr)  
   first obs. used      1992-02-26  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57015  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:42:09  

Additional Information
 Earth MOID = 1.1727 au 
 Jupiter MOID = 2.02342 au 
 T_jup = 3.311 
[ 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 15.2   n/a MPO381746  
diameter diameter 4.718 km 1.576 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70958 (1999 XC6)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20031109/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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