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150255 (1999 NH2)
Classification: Main-belt Asteroid          SPK-ID: 2150255
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961680319707865 3.9602e-08  
a 2.64681153141394 1.4249e-08 au
q 2.127591722298884 1.1046e-07 au
i 13.0590879483011 4.1157e-06 deg
node 173.7606052489259 1.9667e-05 deg
peri 108.66852827 2.3302e-05 deg
M .6390964544103604 1.2621e-05 deg
tp 2459197.707797822871
(2020-Dec-14.20779782)
5.5129e-05 TDB
period 1572.834236255768
4.31
1.2701e-05
3.477e-08
d
yr
n .2288861672142914 1.8483e-09 deg/d
Q 3.166031340528997 1.7044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      9021 days (24.70 yr)  
   first obs. used      1995-09-17  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:52:05  

Additional Information
 Earth MOID = 1.15205 au 
 Jupiter MOID = 2.16714 au 
 T_jup = 3.328 
[ 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 15.56   n/a E2021B55  

150255 (1999 NH2)          Discovered 1999-Jul-12 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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