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34680 (2001 BR21)
Classification: Main-belt Asteroid          SPK-ID: 2034680
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03722601389294322 5.0744e-08  
a 2.757146819961489 1.5498e-08 au
q 2.654509234136718 1.3585e-07 au
i 4.942185372218171 4.3891e-06 deg
node 92.12235121226297 6.1548e-05 deg
peri 103.4185139227142 8.5404e-05 deg
M 250.9336643023093 5.9964e-05 deg
tp 2459107.113184812209
(2020-Sep-14.61318481)
0.00027982 TDB
period 1672.200183179499
4.58
1.4099e-05
3.86e-08
d
yr
n .2152852293769642 1.8152e-09 deg/d
Q 2.859784405786259 1.6075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1123  
   data-arc span      9425 days (25.80 yr)  
   first obs. used      1993-04-20  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53958  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:43:12  

Additional Information
 Earth MOID = 1.65748 au 
 Jupiter MOID = 2.10898 au 
 T_jup = 3.337 
[ 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 14.8   n/a MPO365661  
diameter diameter 5.823 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34680 (2001 BR21)          Discovered 2001-Jan-20 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 BR21 = 1993 HN7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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