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227397 (2005 UO377)
Classification: Main-belt Asteroid          SPK-ID: 2227397
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08286801688436593 5.1368e-08  
a 2.372017748803368 1.313e-08 au
q 2.175453341945515 1.1942e-07 au
i 2.422535605698862 6.0139e-06 deg
node 180.4794677940576 0.00010804 deg
peri 15.25968808548243 0.00011293 deg
M 254.2865920272417 3.3803e-05 deg
tp 2459592.334707117470
(2022-Jan-12.83470712)
0.00012585 TDB
period 1334.367108840534
3.65
1.108e-05
3.034e-08
d
yr
n .2697908226416142 2.2401e-09 deg/d
Q 2.568582155661221 1.4218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      9611 days (26.31 yr)  
   first obs. used      1994-10-10  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60408  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:36  

Additional Information
 Earth MOID = 1.17325 au 
 Jupiter MOID = 2.3856 au 
 T_jup = 3.538 
[ 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 17.34   n/a MPCxxxxx  

227397 (2005 UO377)          Discovered 2005-Oct-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 UO377 = 2001 SJ331 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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