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90927 (1997 SU4)
Classification: Main-belt Asteroid          SPK-ID: 2090927
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139127721102532 4.0648e-08  
a 2.279965972643947 8.289e-09 au
q 1.962759502678677 9.4572e-08 au
i 5.521957204681666 4.5098e-06 deg
node 345.5375079244494 3.2518e-05 deg
peri 341.4699757569099 3.4586e-05 deg
M 351.42585982177 1.2264e-05 deg
tp 2459426.448774355988
(2021-Jul-30.94877436)
4.2907e-05 TDB
period 1257.450723225929
3.44
6.8574e-06
1.877e-08
d
yr
n .2862935249473931 1.5613e-09 deg/d
Q 2.597172442609217 9.4422e-09 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      10784 days (29.52 yr)  
   first obs. used      1992-01-29  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57607  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:17  

Additional Information
 Earth MOID = .951587 au 
 Jupiter MOID = 2.72004 au 
 T_jup = 3.587 
[ 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 16.23   n/a E2021B10  

90927 (1997 SU4)          Discovered 1997-Sep-25 by Lai, L. at Dossobuono
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1997 SU4 = 2001 YE126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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