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226792 (2004 RH180)
Classification: Main-belt Asteroid          SPK-ID: 2226792
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09301931715355594 5.3139e-08  
a 2.733975091565206 2.7508e-08 au
q 2.47966259543298 1.4218e-07 au
i 4.356765823514261 4.97e-06 deg
node 280.4057438634743 7.455e-05 deg
peri 19.81069747397349 9.0629e-05 deg
M 216.5497835932065 5.7947e-05 deg
tp 2459658.444050492981
(2022-Mar-19.94405049)
0.00027079 TDB
period 1651.16417465548
4.52
2.492e-05
6.823e-08
d
yr
n .2180279862692121 3.2906e-09 deg/d
Q 2.988287587697432 3.0067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      7092 days (19.42 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:59  

Additional Information
 Earth MOID = 1.4645 au 
 Jupiter MOID = 2.18306 au 
 T_jup = 3.342 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457568.5 (2016-Jun-29.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09269976888953936 5.2804e-08  
q 2.481646344918675 1.4089e-07 au
tp 2458004.003002353564
(2017-Sep-07.50300235)
0.00025999 TDB
node 280.4590432734602 7.4581e-05 deg
peri 19.03792492057111 9.076e-05 deg
i 4.354966990036054 4.9691e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      7092 days (19.42 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:59  

Additional Information
 Jupiter MOID = 2.18306 au 
 T_jup = 3.342 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.788255624248142E-15 -7.325148210487806E-15 6.636302335175366E-12 -3.180283620907071E-14 1.320044287093653E-12 1.578987786719179E-15
q -7.325148210487806E-15 1.985127155404767E-14 -1.505239793295397E-11 7.496556532184079E-14 -3.018459779964062E-12 -3.972521716008031E-15
tp 6.636302335175366E-12 -1.505239793295397E-11 6.759530849901723E-8 -2.232656265325684E-10 1.349212218843867E-8 2.202212713284186E-12
node -3.180283620907071E-14 7.496556532184079E-14 -2.232656265325684E-10 5.562349671557716E-9 -5.589720726057322E-9 6.371877109831964E-11
peri 1.320044287093653E-12 -3.018459779964062E-12 1.349212218843867E-8 -5.589720726057322E-9 8.23739732826459E-9 -6.309976081493711E-11
i 1.578987786719179E-15 -3.972521716008031E-15 2.202212713284186E-12 6.371877109831964E-11 -6.309976081493711E-11 2.469175595641211E-11

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 15.8   n/a MPO454629  
diameter diameter 3.160 km 1.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.112   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226792 (2004 RH180)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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