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21005 (1988 BF5)
Classification: Main-belt Asteroid          SPK-ID: 2021005
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1351141090611943 4.0424e-08  
a 2.662587384309589 1.2444e-08 au
q 2.302834262081023 1.0339e-07 au
i 10.69444097233796 3.7682e-06 deg
node 243.8234866153634 1.957e-05 deg
peri 330.6812657728925 2.3411e-05 deg
M 199.7956786562613 1.3344e-05 deg
tp 2460102.697145113918
(2023-Jun-07.19714511)
6.0386e-05 TDB
period 1586.917070080312
4.34
1.1125e-05
3.046e-08
d
yr
n .2268549546711857 1.5903e-09 deg/d
Q 3.022340506538155 1.4125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1309  
   data-arc span      12067 days (33.04 yr)  
   first obs. used      1988-01-28  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4757  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:29:23  

Additional Information
 Earth MOID = 1.30179 au 
 Jupiter MOID = 1.99189 au 
 T_jup = 3.347 
[ 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 14.35   n/a MPCxxxxx  
diameter diameter 8.219 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21005 (1988 BF5)          Discovered 1988-Jan-28 by McNaught, R. H. at Siding Spring
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 BF5 = 1998 QP82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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