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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457661.5 (2016-Sep-30.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .270076517939913 4.222e-08  
q 2.238009236802961 1.3082e-07 au
tp 2456840.885811195229
(2014-Jul-02.38581120)
5.8842e-05 TDB
node 141.2348881901241 2.9577e-05 deg
peri 336.5441314063751 3.1987e-05 deg
i 9.707946754056284 5.9283e-06 deg
  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
 Jupiter MOID = 1.23718 au 
 T_jup = 3.154 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.782520918998103E-15 -5.492408363817407E-15 9.323236027177704E-13 -1.166571435679004E-14 1.527250886891929E-13 -2.334370662828859E-15
q -5.492408363817407E-15 1.711292305626879E-14 -3.135211962672033E-12 3.455929092905162E-14 -5.033051849479662E-13 7.554488342017653E-15
tp 9.323236027177704E-13 -3.135211962672033E-12 3.462356679305708E-9 -1.449914431085798E-11 7.374592950052962E-10 -4.889098810416239E-12
node -1.166571435679004E-14 3.455929092905162E-14 -1.449914431085798E-11 8.747887816445513E-10 -8.644929747137369E-10 7.34247731212502E-11
peri 1.527250886891929E-13 -5.033051849479662E-13 7.374592950052962E-10 -8.644929747137369E-10 1.023188626660889E-9 -7.331276433385048E-11
i -2.334370662828859E-15 7.554488342017653E-15 -4.889098810416239E-12 7.34247731212502E-11 -7.331276433385048E-11 3.514475351897794E-11

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

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