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85648 (1998 PF1)
Classification: Main-belt Asteroid          SPK-ID: 2085648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872134740773519 5.7468e-08  
a 3.162753713565306 3.0455e-08 au
q 2.570643603197699 1.8643e-07 au
i 16.82062608323162 7.2473e-06 deg
node 317.1447130537377 1.6835e-05 deg
peri 331.2463535689997 2.3882e-05 deg
M 265.1683774025234 1.7777e-05 deg
tp 2459141.686767464057
(2020-Oct-19.18676746)
0.00010394 TDB
period 2054.454315455789
5.62
2.9675e-05
8.125e-08
d
yr
n .1752290120504006 2.531e-09 deg/d
Q 3.754863823932913 3.6157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      8451 days (23.14 yr)  
   first obs. used      1996-02-10  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58421  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:10:01  

Additional Information
 Earth MOID = 1.5667 au 
 Jupiter MOID = 1.56845 au 
 T_jup = 3.111 
[ 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 14.3   n/a MPO436374  
diameter diameter 7.193 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85648 (1998 PF1)          Discovered 1998-Aug-11 by Lopez, A. at Mallorca
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 PF1 = 1996 DX7 = 2002 CQ242 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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