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243580 (1997 PG1)
Classification: Main-belt Asteroid          SPK-ID: 2243580
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3086428938857561 8.044e-08  
a 2.6250083487563 2.5965e-08 au
q 1.814818175521886 2.1243e-07 au
i 29.00101177316695 1.7105e-05 deg
node 318.8396422724995 1.0085e-05 deg
peri 68.49796754746286 3.0623e-05 deg
M 2.054663823845714 2.5379e-05 deg
tp 2458591.633897781171
(2019-Apr-18.13389778)		 0.00010947 TDB
period 1553.439916416343
4.25		 2.3049e-05
6.31e-08		 d
yr
n .231743755388036 3.4384e-09 deg/d
Q 3.435198521990714 3.3979e-08 au
   Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      8150 days (22.31 yr)  
   first obs. used      1997-08-05  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52855  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:27:21  

Additional Information
 Earth MOID = .963502 au 
 Jupiter MOID = 2.52708 au 
 T_jup = 3.164 
[ 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 15.8   n/a MPO454788  
diameter diameter 1.480 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.464   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243580 (1997 PG1)          Discovered 1997-Aug-05 by Lopez, A., Pacheco, R. at Mallorca
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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