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48243 (2001 PE7)
Classification: Main-belt Asteroid          SPK-ID: 2048243
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343496821241117 5.4537e-08  
a 2.613009598263702 1.2893e-08 au
q 2.261952589349721 1.4679e-07 au
i 10.5176159382042 5.006e-06 deg
node 275.3802539788855 2.3802e-05 deg
peri 217.5382639811372 2.9653e-05 deg
M 352.1128599895884 1.7269e-05 deg
tp 2459034.300800363624
(2020-Jul-03.80080036)
7.4062e-05 TDB
period 1542.801080599752
4.22
1.1419e-05
3.126e-08
d
yr
n .2333418121926988 1.7271e-09 deg/d
Q 2.964066607177683 1.4626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1174  
   data-arc span      7720 days (21.14 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48138  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:02:53  

Additional Information
 Earth MOID = 1.28657 au 
 Jupiter MOID = 2.15802 au 
 T_jup = 3.372 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456910.5 (2014-Sep-10.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338285120016576 5.481e-08  
q 2.263358738717512 1.4746e-07 au
tp 2457493.712972885933
(2016-Apr-15.21297289)
7.2626e-05 TDB
node 275.4576815756406 2.381e-05 deg
peri 217.8944542549374 2.9664e-05 deg
i 10.51507021080939 5.0052e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1174  
   data-arc span      7720 days (21.14 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48138  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:02:53  

Additional Information
 Jupiter MOID = 2.15802 au 
 T_jup = 3.372 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.004111362431258E-15 -8.062141516908265E-15 -3.166816195469274E-13 -1.224631196498978E-15 9.242593112920257E-14 3.217309003759849E-16
q -8.062141516908265E-15 2.174567654977102E-14 8.732257163084107E-13 2.477491508947652E-15 -2.533406838922897E-13 -3.431468462273831E-16
tp -3.166816195469274E-13 8.732257163084107E-13 5.274599521983482E-9 -4.253819223997994E-12 1.281384796003212E-9 2.739897161872708E-12
node -1.224631196498978E-15 2.477491508947652E-15 -4.253819223997994E-12 5.668971032882698E-10 -5.577433197128473E-10 3.084415884357525E-12
peri 9.242593112920257E-14 -2.533406838922897E-13 1.281384796003212E-9 -5.577433197128473E-10 8.79961693818238E-10 -2.353797524985928E-12
i 3.217309003759849E-16 -3.431468462273831E-16 2.739897161872708E-12 3.084415884357525E-12 -2.353797524985928E-12 2.50520357891292E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO412505  
diameter diameter 6.766 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48243 (2001 PE7)          Discovered 2001-Aug-11 by Kusnirak, P. at Ondrejov
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 PE7 = 1998 XD39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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