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JPL Small-Body Database Browser
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154837 (2004 RW29)
Classification: Main-belt Asteroid          SPK-ID: 2154837
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05096616042213113 4.2919e-08  
a 2.445257919644784 2.0274e-08 au
q 2.320632512238681 1.0754e-07 au
i 4.93377127534174 6.22e-06 deg
node 20.02919622073951 5.3444e-05 deg
peri 237.0264815905694 0.00010196 deg
M 107.6614628158639 9.4104e-05 deg
tp 2458582.820448650348
(2019-Apr-09.32044865)
0.00036226 TDB
period 1396.643093574228
3.82
1.7369e-05
4.755e-08
d
yr
n .257760913762659 3.2056e-09 deg/d
Q 2.569883327050887 2.1307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      7489 days (20.50 yr)  
   first obs. used      1997-11-06  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57315  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:18:16  

Additional Information
 Earth MOID = 1.31039 au 
 Jupiter MOID = 2.44086 au 
 T_jup = 3.492 
[ 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 16.1   n/a MPO436783  
rotation period rot_per 7.21 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]

154837 (2004 RW29)          Discovered 2004-Sep-07 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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