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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1344425657287452 5.7012e-08  
a 2.612565517879803 1.4412e-08 au
q 2.261325506521594 1.5152e-07 au
i 10.51751734960195 5.1513e-06 deg
node 275.38118759 2.8863e-05 deg
peri 217.6508231742059 3.3904e-05 deg
M 258.6728921495342 1.8391e-05 deg
tp 2459034.632559517879
(2020-Jul-04.13255952)
8.0002e-05 TDB
period 1542.407799274001
4.22
1.2763e-05
3.494e-08
d
yr
n .2334013094134049 1.9313e-09 deg/d
Q 2.963805529238011 1.635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      7654 days (20.96 yr)  
   first obs. used      1998-12-14  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50818  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:33:31  

Additional Information
 Earth MOID = 1.28634 au 
 Jupiter MOID = 2.15956 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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