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120250 (2004 GU4)
Classification: Main-belt Asteroid          SPK-ID: 2120250
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 .1335848552463015 3.3169e-08  
a 2.2877700070178 1.0231e-08 au
q 1.982158581793497 7.6095e-08 au
i 6.440116372870005 4.4341e-06 deg
node 69.00998569838022 3.2516e-05 deg
peri 251.7166052244604 3.6603e-05 deg
M 141.7352917607868 1.6727e-05 deg
tp 2458502.886136598226
(2019-Jan-19.38613660)
5.7879e-05 TDB
period 1263.912386245928
3.46
8.4781e-06
2.321e-08
d
yr
n .2848298694732093 1.9106e-09 deg/d
Q 2.593381432242102 1.1597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      7796 days (21.34 yr)  
   first obs. used      1998-09-20  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55133  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:17:13  

Additional Information
 Earth MOID = .980491 au 
 Jupiter MOID = 2.68383 au 
 T_jup = 3.580 
[ 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 16.2   n/a MPO449699  

120250 (2004 GU4)          Discovered 2004-Apr-11 by NEAT at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2004 GU4 = 1998 SL66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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