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JPL Small-Body Database Browser
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390850 (2004 RH181)
Classification: Main-belt Asteroid          SPK-ID: 2390850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036398695265285 6.1904e-08  
a 2.418360327931139 1.354e-08 au
q 1.925885746283109 1.5152e-07 au
i 3.658600799678111 5.0953e-06 deg
node 254.9189292181961 0.0001133 deg
peri 110.0487494392054 0.00011452 deg
M 312.8749354511233 1.437e-05 deg
tp 2458780.316441517411
(2019-Oct-23.81644152)
5.4903e-05 TDB
period 1373.662180963762
3.76
1.1537e-05
3.159e-08
d
yr
n .2620731683443624 2.201e-09 deg/d
Q 2.910834909579169 1.6298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      6047 days (16.56 yr)  
   first obs. used      2003-04-28  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54462  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:24:53  

Additional Information
 Earth MOID = .927026 au 
 Jupiter MOID = 2.56607 au 
 T_jup = 3.484 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO494982  

390850 (2004 RH181)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2004 RH181 = 2008 US67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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