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17446 Mopaku (1990 BC2)
Classification: Main-belt Asteroid          SPK-ID: 2017446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06678788146334561 3.1081e-08  
a 2.429399192330544 8.5819e-09 au
q 2.267144767046024 7.6873e-08 au
i 5.980416766514249 3.6387e-06 deg
node 203.6701479474894 3.1857e-05 deg
peri 313.7733742250831 4.1906e-05 deg
M 338.2480452197523 2.759e-05 deg
tp 2459084.068487502710
(2020-Aug-22.56848750)
0.00010603 TDB
period 1383.078247675215
3.79
7.3286e-06
2.006e-08
d
yr
n .2602889609500517 1.3792e-09 deg/d
Q 2.591653617615064 9.155e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2165  
   data-arc span      11049 days (30.25 yr)  
   first obs. used      1990-01-23  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:36:36  

Additional Information
 Earth MOID = 1.27977 au 
 Jupiter MOID = 2.3935 au 
 T_jup = 3.498 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456668.5 (2014-Jan-11.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06634723630912698 3.1208e-08  
q 2.268240360732938 7.7157e-08 au
tp 2456319.977077638957
(2013-Jan-27.47707764)
0.00010615 TDB
node 203.7008578570831 3.1867e-05 deg
peri 314.284558663195 4.1962e-05 deg
i 5.978630072614163 3.6385e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2165  
   data-arc span      11049 days (30.25 yr)  
   first obs. used      1990-01-23  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:36:36  

Additional Information
 Jupiter MOID = 2.3935 au 
 T_jup = 3.498 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.73968849038768E-16 -2.395182211385391E-15 3.935741953782006E-13 1.647904292508973E-15 9.776785703978381E-14 1.226612026712321E-15
q -2.395182211385391E-15 5.953239777408966E-15 -1.005100094076442E-12 -4.71289241515843E-15 -2.460230112345459E-13 -2.901370389274645E-15
tp 3.935741953782006E-13 -1.005100094076442E-12 1.126873712217825E-8 -1.604654469159222E-11 2.907565393201566E-9 -4.694331946861396E-14
node 1.647904292508973E-15 -4.71289241515843E-15 -1.604654469159222E-11 1.015502640085271E-9 -1.013881476369211E-9 2.083671195784203E-12
peri 9.776785703978381E-14 -2.460230112345459E-13 2.907565393201566E-9 -1.013881476369211E-9 1.760774485474437E-9 -2.07334762739308E-12
i 1.226612026712321E-15 -2.901370389274645E-15 -4.694331946861396E-14 2.083671195784203E-12 -2.07334762739308E-12 1.323858080096195E-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 13.5   n/a MPO266048  
diameter diameter 4.820 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.252   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17446 Mopaku           Discovered 1990 Jan. 23 by R. Rajamohan at Kavalur.
The name Mopaku honors three assistants involved with the observations of minor planets at Kavular: Venkatachala Moorthy, Arvind Paranjpye and Kamatchiappan Kuppuswamy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090409/MPCPages.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 1990 BC2 = 1996 VC30 = 1998 FP62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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