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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1769265064773277 8.2662e-08  
a 2.371590595618803 2.127e-08 au
q 1.951993356741484 1.9765e-07 au
i 2.725093959998773 8.6006e-06 deg
node 232.8316985507958 0.00020917 deg
peri 52.92888248854511 0.0002153 deg
M 289.4449674448615 4.5928e-05 deg
tp 2458861.946903148693
(2020-Jan-13.44690315)
0.00017141 TDB
period 1334.006685631878
3.65
1.7946e-05
4.913e-08
d
yr
n .2698637149854155 3.6304e-09 deg/d
Q 2.791187834496122 2.5033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      6526 days (17.87 yr)  
   first obs. used      2001-05-24  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66327  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:13:00  

Additional Information
 Earth MOID = .936454 au 
 Jupiter MOID = 2.36181 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 18.6   n/a MPO392229  

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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