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227130 (2005 OT9)
Classification: Main-belt Asteroid          SPK-ID: 2227130
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128063742780622 4.3319e-08  
a 2.24713513970698 1.2923e-08 au
q 1.993643972083809 9.9126e-08 au
i 3.936635963149687 5.3697e-06 deg
node 11.55640714222393 7.0426e-05 deg
peri 298.5233086449536 7.5576e-05 deg
M 209.673867436061 2.863e-05 deg
tp 2459714.276454333512
(2022-May-14.77645433)
0.00010011 TDB
period 1230.388358999356
3.37
1.0614e-05
2.906e-08
d
yr
n .2925905445763312 2.5239e-09 deg/d
Q 2.500626307330152 1.4381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      7323 days (20.05 yr)  
   first obs. used      2001-02-23  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55302  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:33  

Additional Information
 Earth MOID = .981006 au 
 Jupiter MOID = 2.71376 au 
 T_jup = 3.618 
[ 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 17.1   n/a MPO450052  

227130 (2005 OT9)          Discovered 2005-Jul-27 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 OT9 = 2001 DQ84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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