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469738 (2005 NH55)
Classification: Main-belt Asteroid          SPK-ID: 2469738
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766225754932755 6.5926e-08  
a 2.371852793385951 2.0719e-08 au
q 1.952930044327205 1.5477e-07 au
i 2.724202811138186 8.5612e-06 deg
node 232.8150012089805 0.00019456 deg
peri 52.7952067202062 0.00019955 deg
M 144.3646715074549 4.3019e-05 deg
tp 2458861.457291012088
(2020-Jan-12.95729101)
0.00015552 TDB
period 1334.22791895247
3.65
1.7483e-05
4.787e-08
d
yr
n .2698189678736774 3.5355e-09 deg/d
Q 2.790775542444698 2.4379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      7105 days (19.45 yr)  
   first obs. used      2001-05-24  
   last obs. used      2020-11-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66844  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:20:11  

Additional Information
 Earth MOID = .937708 au 
 Jupiter MOID = 2.36069 au 
 T_jup = 3.521 
[ 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 18.4   n/a MPO472614  

469738 (2005 NH55)          Discovered 2005-Jul-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 2005 NH55 = 2009 SA121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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