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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1336533395923587 3.2642e-08  
a 2.287681444805628 1.0078e-08 au
q 1.981925179783883 7.5166e-08 au
i 6.439791006802051 4.2234e-06 deg
node 69.00403829390167 3.2516e-05 deg
peri 251.7647641759419 3.63e-05 deg
M 198.6467798850026 1.6533e-05 deg
tp 2459766.956921286256
(2022-Jul-06.45692129)
5.944e-05 TDB
period 1263.838995699707
3.46
8.3515e-06
2.287e-08
d
yr
n .2848464094120557 1.8823e-09 deg/d
Q 2.593437709827372 1.1425e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      8162 days (22.35 yr)  
   first obs. used      1998-09-20  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55721  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:32  

Additional Information
 Earth MOID = .978329 au 
 Jupiter MOID = 2.68339 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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