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213992 (2004 BN44)
Classification: Main-belt Asteroid          SPK-ID: 2213992
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2691856374866737 4.2188e-08  
a 3.066841923367139 1.8924e-08 au
q 2.241292125154699 1.3064e-07 au
i 9.705496060425549 5.9268e-06 deg
node 141.2229516296252 2.9582e-05 deg
peri 336.3684314832285 3.2012e-05 deg
M 73.17059867258817 1.0222e-05 deg
tp 2458801.778530215113
(2019-Nov-14.27853021)
5.5696e-05 TDB
period 1961.71319801342
5.37
1.8157e-05
4.971e-08
d
yr
n .1835130641750096 1.6985e-09 deg/d
Q 3.892391721579579 2.4018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      10793 days (29.55 yr)  
   first obs. used      1991-09-29  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50299  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:39:47  

Additional Information
 Earth MOID = 1.2609 au 
 Jupiter MOID = 1.23718 au 
 T_jup = 3.154 
[ 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 15.54   n/a E2021B55  
diameter diameter 3.388 km 0.518 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213992 (2004 BN44)          Discovered 2004-Jan-22 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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