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101587 (1999 BE12)
Classification: Main-belt Asteroid          SPK-ID: 2101587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2041294675526442 3.7799e-08  
a 2.440572876129916 8.0639e-09 au
q 1.942380034402091 9.3433e-08 au
i 7.644607863335966 4.328e-06 deg
node 16.99325381072913 3.0673e-05 deg
peri 83.60594942947493 3.2467e-05 deg
M 235.1643477052688 1.0716e-05 deg
tp 2459483.416708077155
(2021-Sep-25.91670808)
4.208e-05 TDB
period 1392.631125099775
3.81
6.9021e-06
1.89e-08
d
yr
n .2585034856047813 1.2812e-09 deg/d
Q 2.938765717857741 9.7099e-09 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      7942 days (21.74 yr)  
   first obs. used      1999-01-22  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51872  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:41  

Additional Information
 Earth MOID = .976561 au 
 Jupiter MOID = 2.26897 au 
 T_jup = 3.461 
[ 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 16.1   n/a MPO436475  
diameter diameter 3.486 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101587 (1999 BE12)          Discovered 1999-Jan-22 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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