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21334 (1997 BO2)
Classification: Main-belt Asteroid          SPK-ID: 2021334
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416183900617787 3.7429e-08  
a 2.426143882686547 7.3482e-09 au
q 2.082557291962245 9.0056e-08 au
i 4.993439638834555 4.1267e-06 deg
node 4.545434781011945 3.1434e-05 deg
peri 188.9102934032861 3.3777e-05 deg
M 123.7446512399453 1.0365e-05 deg
tp 2458922.042635795229
(2020-Mar-13.54263580)
4.0185e-05 TDB
period 1380.299264673033
3.78
6.2709e-06
1.717e-08
d
yr
n .2608130057109587 1.1849e-09 deg/d
Q 2.769730473410849 8.3888e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1476  
   data-arc span      10862 days (29.74 yr)  
   first obs. used      1991-09-15  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53604  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:32:38  

Additional Information
 Earth MOID = 1.08295 au 
 Jupiter MOID = 2.18677 au 
 T_jup = 3.491 
[ 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 15.23   n/a E2021B10  
diameter diameter 3.159 km 0.908 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.177   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21334 (1997 BO2)          Discovered 1997-Jan-30 by Kobayashi, T. at Oizumi
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 BO2 = 1999 TD195 = 2001 FJ225 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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