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227115 (2005 NW61)
Classification: Main-belt Asteroid          SPK-ID: 2227115
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828653293619253 7.6276e-08  
a 2.343133828342817 2.0413e-08 au
q 1.914655889083839 1.7127e-07 au
i 3.25295702994638 8.0777e-06 deg
node 122.6166044811803 0.00013572 deg
peri 270.5703618999095 0.00013877 deg
M 42.74502801716425 2.3029e-05 deg
tp 2459044.947436270402
(2020-Jul-14.44743627)
8.401e-05 TDB
period 1310.068691969713
3.59
1.712e-05
4.687e-08
d
yr
n .274794750997929 3.591e-09 deg/d
Q 2.771611767601795 2.4146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      5678 days (15.55 yr)  
   first obs. used      2005-07-03  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:29  

Additional Information
 Earth MOID = .922999 au 
 Jupiter MOID = 2.66352 au 
 T_jup = 3.538 
[ 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 17.6   n/a MPO437075  

227115 (2005 NW61)          Discovered 2005-Jul-11 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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