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JPL Small-Body Database Browser
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154892 (2004 RH179)
Classification: Main-belt Asteroid          SPK-ID: 2154892
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1311208460523331 4.7567e-08  
a 2.60673764781315 2.9447e-08 au
q 2.264940001995421 1.3655e-07 au
i 10.63631055848325 7.0546e-06 deg
node 321.1727378602221 2.1389e-05 deg
peri 272.4698809897785 4.8603e-05 deg
M 8.357469412837421 5.3969e-05 deg
tp 2458964.812452113070
(2020-Apr-25.31245211)
0.00023 TDB
period 1537.249687035726
4.21
2.6048e-05
7.132e-08
d
yr
n .2341844679078693 3.9681e-09 deg/d
Q 2.948535293630879 3.3308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      577  
   data-arc span      10105 days (27.67 yr)  
   first obs. used      1991-08-02  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52996  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:55:10  

Additional Information
 Earth MOID = 1.28447 au 
 Jupiter MOID = 2.18112 au 
 T_jup = 3.375 
[ 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 15.5   n/a MPO432989  
diameter diameter 4.892 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154892 (2004 RH179)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 RH179 = 1991 PY22 = 2001 YB150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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