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48585 (1994 PK37)
Classification: Main-belt Asteroid          SPK-ID: 2048585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1648701612080446 4.1608e-08  
a 2.374521993831093 1.05e-08 au
q 1.983034169916113 9.5711e-08 au
i 4.010578932465233 3.8842e-06 deg
node 296.5316018661536 5.8803e-05 deg
peri 254.2790964067589 6.0164e-05 deg
M 139.9972176038908 1.1469e-05 deg
tp 2458480.767798940350
(2018-Dec-28.26779894)
4.2238e-05 TDB
period 1336.48079286023
3.66
8.8651e-06
2.427e-08
d
yr
n .2693641404524464 1.7867e-09 deg/d
Q 2.766009817746072 1.2232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1281  
   data-arc span      9485 days (25.97 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:34:57  

Additional Information
 Earth MOID = .987849 au 
 Jupiter MOID = 2.21411 au 
 T_jup = 3.521 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456700.5 (2014-Feb-12.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1647337467286135 4.1601e-08  
q 1.983468160435074 9.5708e-08 au
tp 2457143.332619876957
(2015-Apr-30.83261988)
4.2684e-05 TDB
node 296.5823441126558 5.8825e-05 deg
peri 254.3290840738472 6.0189e-05 deg
i 4.0098496319114 3.8829e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1281  
   data-arc span      9485 days (25.97 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:34:57  

Additional Information
 Jupiter MOID = 2.21411 au 
 T_jup = 3.521 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.730668076546346E-15 -3.967575708624793E-15 -8.373973178655519E-14 1.126000229869986E-14 -2.346652818170244E-14 -2.293777289393301E-15
q -3.967575708624793E-15 9.160114261328862E-15 1.444927876743323E-13 -2.595189961332558E-14 3.550029761150484E-14 5.335760175175849E-15
tp -8.373973178655519E-14 1.444927876743323E-13 1.821888317518229E-9 -3.642468078174251E-12 5.584181669316222E-10 6.478529998738332E-13
node 1.126000229869986E-14 -2.595189961332558E-14 -3.642468078174251E-12 3.46040781312419E-9 -3.452618712928559E-9 1.419713019903012E-11
peri -2.346652818170244E-14 3.550029761150484E-14 5.584181669316222E-10 -3.452618712928559E-9 3.622710557422719E-9 -1.400438012488056E-11
i -2.293777289393301E-15 5.335760175175849E-15 6.478529998738332E-13 1.419713019903012E-11 -1.400438012488056E-11 1.507714801637969E-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 14.9   n/a MPO324745  
diameter diameter 6.103 km 1.324 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.052   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

48585 (1994 PK37)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1991-Dec-11 17:19 < 00:01 Thisb 0.0197450948469752 0.019743979754144 0.0197462100225036 4.84995309524415 4.84995302404448 2448602.221301106 0.463737935332671 154.786050021649 49.8909568993829 80.3692445992583 58434.2623962708 T 25 CATAB v2.0f-lin.ifort 2020-Aug-25 04:35:10 2020-Aug-25 04:35

Alternate Designations
 1994 PK37 = 1999 XC103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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