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72321 (2001 BJ48)
Classification: Main-belt Asteroid          SPK-ID: 2072321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1658273576894407 3.4813e-08  
a 2.62035105336392 1.1609e-08 au
q 2.185825161965839 8.9297e-08 au
i 10.61738513592909 4.2286e-06 deg
node 203.6466953951568 1.8836e-05 deg
peri 64.62877454923022 2.2346e-05 deg
M 124.4085106366521 1.3475e-05 deg
tp 2458665.091533174632
(2019-Jun-30.59153317)
5.6575e-05 TDB
period 1549.307576071465
4.24
1.0296e-05
2.819e-08
d
yr
n .2323618663976599 1.5442e-09 deg/d
Q 3.054876944762002 1.3534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1402  
   data-arc span      7771 days (21.28 yr)  
   first obs. used      1999-10-10  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49948  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:01:25  

Additional Information
 Earth MOID = 1.1936 au 
 Jupiter MOID = 2.07328 au 
 T_jup = 3.361 
[ 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 14.55   n/a E2021B10  
diameter diameter 3.966 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.123   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72321 (2001 BJ48)          Discovered 2001-Jan-21 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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