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19206 (1992 PH4)
Classification: Main-belt Asteroid          SPK-ID: 2019206
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2270503958409857 3.297e-08  
a 2.354836693415869 8.0899e-09 au
q 1.820170090034918 7.9506e-08 au
i 2.112849933318888 3.7986e-06 deg
node 323.8041261969925 9.3335e-05 deg
peri 331.8407847176251 9.3693e-05 deg
M 320.4136241307269 1.0823e-05 deg
tp 2459345.638577310209
(2021-May-11.13857731)
4.0095e-05 TDB
period 1319.895713722846
3.61
6.8016e-06
1.862e-08
d
yr
n .2727488211811812 1.4055e-09 deg/d
Q 2.88950329679682 9.9267e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1970  
   data-arc span      16693 days (45.70 yr)  
   first obs. used      1974-09-11  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54994  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:48:56  

Additional Information
 Earth MOID = .802587 au 
 Jupiter MOID = 2.32233 au 
 T_jup = 3.519 
[ 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 14.56   n/a E2021B10  
diameter diameter 3.404 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.220   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19206 (1992 PH4)          Discovered 1992-Aug-02 by Holt, H. E. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 PH4 = 1974 RP = 1985 SW6 = 1999 LT22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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