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JPL Small-Body Database Browser
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154722 (2004 NA)
Classification: Main-belt Asteroid          SPK-ID: 2154722
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2227120837383911 4.0216e-08  
a 2.41276519024141 1.436e-08 au
q 1.87541322715129 1.0256e-07 au
i 1.279391396793852 5.8712e-06 deg
node 256.1133546644235 0.00019352 deg
peri 93.81051530584182 0.00019413 deg
M 48.00195785191831 1.3601e-05 deg
tp 2458817.972853180343
(2019-Nov-30.47285318)
5.1251e-05 TDB
period 1368.897765749163
3.75
1.2221e-05
3.346e-08
d
yr
n .2629853076010985 2.3478e-09 deg/d
Q 2.95011715333153 1.7558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      9579 days (26.23 yr)  
   first obs. used      1993-09-14  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49684  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:04:41  

Additional Information
 Earth MOID = .869876 au 
 Jupiter MOID = 2.48475 au 
 T_jup = 3.484 
[ 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 16.5   n/a MPO439921  

154722 (2004 NA)          Discovered 2004-Jul-06 by CINEOS at Campo Imperatore
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2004 NA = 1993 RF12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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