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48530 (1993 PF)
Classification: Main-belt Asteroid          SPK-ID: 2048530
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05900808176592851 3.2351e-08  
a 2.571096856551234 1.313e-08 au
q 2.419381363011737 8.5219e-08 au
i 13.9883382742364 4.9848e-06 deg
node 281.5688853949422 1.9298e-05 deg
peri 139.4977444033745 6.7813e-05 deg
M 73.17584502347378 6.2902e-05 deg
tp 2458694.415506460220
(2019-Jul-29.91550646)
0.00026284 TDB
period 1505.830477789128
4.12
1.1535e-05
3.158e-08
d
yr
n .2390707355907385 1.8313e-09 deg/d
Q 2.722812350090731 1.3905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1082  
   data-arc span      9672 days (26.48 yr)  
   first obs. used      1993-08-12  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:08:52  

Additional Information
 Earth MOID = 1.44832 au 
 Jupiter MOID = 2.49586 au 
 T_jup = 3.386 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457174.5 (2015-Jun-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05753105787781103 3.219e-08  
q 2.422689997655647 8.4613e-08 au
tp 2457187.050766496337
(2015-Jun-13.55076650)
0.00027031 TDB
node 281.6754517876944 1.9293e-05 deg
peri 139.0725445175164 6.9753e-05 deg
i 13.98788830165389 4.9876e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1082  
   data-arc span      9672 days (26.48 yr)  
   first obs. used      1993-08-12  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:08:52  

Additional Information
 Jupiter MOID = 2.49586 au 
 T_jup = 3.386 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.036164196934463E-15 -2.694766614329284E-15 1.610375397911585E-12 1.124165389869443E-15 3.991086499385224E-13 4.767789908574784E-16
q -2.694766614329284E-15 7.15932252819133E-15 -3.886500154617606E-12 -3.124079115838025E-15 -9.655690430337809E-13 -1.094476221614192E-16
tp 1.610375397911585E-12 -3.886500154617606E-12 7.306745505110936E-8 4.001065072335575E-12 1.81449664658224E-8 5.929029012044154E-11
node 1.124165389869443E-15 -3.124079115838025E-15 4.001065072335575E-12 3.722167797676927E-10 -3.597200360568867E-10 4.001505398889617E-11
peri 3.991086499385224E-13 -9.655690430337809E-13 1.81449664658224E-8 -3.597200360568867E-10 4.865547083531403E-9 -2.418264716362053E-11
i 4.767789908574784E-16 -1.094476221614192E-16 5.929029012044154E-11 4.001505398889617E-11 -2.418264716362053E-11 2.487592399881244E-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 14.5   n/a MPO359065  
diameter diameter 4.013 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.251   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48530 (1993 PF)          Discovered 1993-Aug-12 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 PF = 1995 AD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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