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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 ]

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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343496825758662 5.4511e-08  
a 2.613009598970701 1.2855e-08 au
q 2.261952588781295 1.4675e-07 au
i 10.5176158512985 5.0056e-06 deg
node 275.38025517 2.3644e-05 deg
peri 217.5382634705678 2.9526e-05 deg
M 352.1128590116247 1.7224e-05 deg
tp 2459034.300804568463
(2020-Jul-03.80080457)
7.3867e-05 TDB
period 1542.801081225903
4.22
1.1385e-05
3.117e-08
d
yr
n .2333418120979962 1.722e-09 deg/d
Q 2.964066609160106 1.4582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1201  
   data-arc span      7771 days (21.28 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:38:17  

Additional Information
 Earth MOID = 1.28657 au 
 Jupiter MOID = 2.15802 au 
 T_jup = 3.372 
[ 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 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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