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49779 (1999 XG3)
Classification: Main-belt Asteroid          SPK-ID: 2049779
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079769438249995 3.5468e-08  
a 2.290350310912613 8.2078e-09 au
q 2.043045284051632 8.0514e-08 au
i 6.718778023376212 3.868e-06 deg
node 95.02885115360058 3.403e-05 deg
peri 27.56604110204545 3.9112e-05 deg
M 275.6012414560907 2.0996e-05 deg
tp 2459297.314322931843
(2021-Mar-23.81432293)
7.4578e-05 TDB
period 1266.0512796509
3.47
6.8056e-06
1.863e-08
d
yr
n .2843486719584266 1.5285e-09 deg/d
Q 2.537655337773594 9.0941e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1225  
   data-arc span      8696 days (23.81 yr)  
   first obs. used      1997-01-11  
   last obs. used      2020-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52642  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:51:00  

Additional Information
 Earth MOID = 1.06158 au 
 Jupiter MOID = 2.52644 au 
 T_jup = 3.582 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO439430  

49779 (1999 XG3)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XG3 = 2001 HN53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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