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19177 (1991 PJ11)
Classification: Main-belt Asteroid          SPK-ID: 2019177
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049549798060015 4.2369e-08  
a 2.588458601073705 1.3274e-08 au
q 2.057941120761973 1.112e-07 au
i 2.884605561557928 4.0651e-06 deg
node 241.5092332794432 9.076e-05 deg
peri 86.97339769304189 9.1301e-05 deg
M 338.3868082661189 1.0938e-05 deg
tp 2459091.822263518682
(2020-Aug-30.32226352)
4.6406e-05 TDB
period 1521.108740972708
4.16
1.1701e-05
3.204e-08
d
yr
n .2366694703034773 1.8206e-09 deg/d
Q 3.118976081385437 1.5995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1770  
   data-arc span      10137 days (27.75 yr)  
   first obs. used      1991-08-09  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48588  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:40:54  

Additional Information
 Earth MOID = 1.04918 au 
 Jupiter MOID = 2.24496 au 
 T_jup = 3.389 
[ 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 14.1   n/a MPO384919  
diameter diameter 4.687 km 1.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.184   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19177 (1991 PJ11)          Discovered 1991-Aug-09 by Holt, H. E. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PJ11 = 1998 FD32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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