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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411965946723205 3.7427e-08  
a 2.425293366178515 7.1561e-09 au
q 2.082850201792739 8.9865e-08 au
i 4.991255863548772 4.1325e-06 deg
node 4.5825395218449 3.1497e-05 deg
peri 188.6906978053412 3.3882e-05 deg
M 72.85852097876177 1.051e-05 deg
tp 2458921.295318947872
(2020-Mar-12.79531895)
4.0517e-05 TDB
period 1379.573505315402
3.78
6.1058e-06
1.672e-08
d
yr
n .2609502129556306 1.1549e-09 deg/d
Q 2.767736530564291 8.1665e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1468  
   data-arc span      10537 days (28.85 yr)  
   first obs. used      1991-09-15  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53717  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:57:37  

Additional Information
 Earth MOID = 1.08185 au 
 Jupiter MOID = 2.18964 au 
 T_jup = 3.492 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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

[ show close-approach data ]
Alternate Designations
 1997 BO2 = 1999 TD195 = 2001 FJ225 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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