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19975 (1989 GX2)
Classification: Main-belt Asteroid          SPK-ID: 2019975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03026628349915862 2.4544e-08  
a 2.159423334448245 6.2816e-09 au
q 2.094065615613136 5.453e-08 au
i 3.51252174837201 8.8525e-07 deg
node 219.0057362815735 1.0644e-05 deg
peri 208.3205817501056 4.6938e-05 deg
M 129.5691486795059 4.7247e-05 deg
tp 2458783.338503855511
(2019-Oct-26.83850386)
0.00015151 TDB
period 1159.057847817518
3.17
5.0574e-06
1.385e-08
d
yr
n .3105970945952978 1.3553e-09 deg/d
Q 2.224781053283354 6.4717e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1775  
   data-arc span      11660 days (31.92 yr)  
   first obs. used      1989-04-03  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .513  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:10:30  

Additional Information
 Earth MOID = 1.1068 au 
 Jupiter MOID = 2.83346 au 
 T_jup = 3.695 
[ 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 14.48   n/a E2021B10  

19975 (1989 GX2)          Discovered 1989-Apr-03 by Elst, E. W. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1989 GX2 = 1990 SV1 = 2000 UR81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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