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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0827937514697546 5.1399e-08  
a 2.372245832564331 1.3178e-08 au
q 2.175838700677839 1.1947e-07 au
i 2.422629430957955 6.0143e-06 deg
node 180.4715091074702 0.00010802 deg
peri 15.19207472537458 0.00011292 deg
M 307.2278199406962 3.3884e-05 deg
tp 2459592.132272695020
(2022-Jan-12.63227270)
0.0001259 TDB
period 1334.559574591434
3.65
1.112e-05
3.044e-08
d
yr
n .2697519143049207 2.2478e-09 deg/d
Q 2.568652964450823 1.4269e-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 = 1.17514 au 
 Jupiter MOID = 2.38456 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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