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47310 (1999 XG7)
Classification: Main-belt Asteroid          SPK-ID: 2047310
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107338605711744 4.2773e-08  
a 2.532821450680897 1.048e-08 au
q 2.252352353309519 1.0968e-07 au
i 5.33280838878835 4.5699e-06 deg
node 36.307171922 3.6029e-05 deg
peri 159.8492391895852 3.9056e-05 deg
M 271.9691002695068 1.6317e-05 deg
tp 2459360.529369704691
(2021-May-26.02936970)
6.7657e-05 TDB
period 1472.330437272504
4.03
9.1376e-06
2.502e-08
d
yr
n .2445103292620242 1.5175e-09 deg/d
Q 2.813290548052275 1.164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1075  
   data-arc span      14089 days (38.57 yr)  
   first obs. used      1981-05-08  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55737  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:02:36  

Additional Information
 Earth MOID = 1.25131 au 
 Jupiter MOID = 2.14206 au 
 T_jup = 3.435 
[ 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 15.1   n/a MPO452816  

47310 (1999 XG7)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XG7 = 1981 JG4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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