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JPL Small-Body Database Browser
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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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06678788211283923 3.1331e-08  
a 2.429399192456628 8.635e-09 au
q 2.267144765585808 7.7366e-08 au
i 5.98041716308511 3.6813e-06 deg
node 203.6701473738924 3.1864e-05 deg
peri 313.7733755266119 4.1986e-05 deg
M 338.2480443686997 2.7769e-05 deg
tp 2459084.068490778861
(2020-Aug-22.56849078)
0.00010673 TDB
period 1383.078247782886
3.79
7.374e-06
2.019e-08
d
yr
n .2602889609297885 1.3877e-09 deg/d
Q 2.591653619327448 9.2117e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2103  
   data-arc span      10964 days (30.02 yr)  
   first obs. used      1990-01-23  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:04:47  

Additional Information
 Earth MOID = 1.27977 au 
 Jupiter MOID = 2.3935 au 
 T_jup = 3.498 
[ 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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1948-Jul-12 23:41 < 00:01 Iris 0.0376640399576566 0.0376607582434357 0.0376673235886094 5.30019754704519 5.30019751824774 2432745.486653939 0.880894348637144 466.458644259498 40.0215281817876 -70.0382612160383 132348.633059358 T 36 CATAB v2.0f-lin.ifort 2020-Feb-22 22:05:00 2020-Feb-22 22:05
2088-Aug-11 11:03 00:01 Iris 0.0304142579088305 0.0304107540813814 0.0304177660052886 5.33845071739299 5.33845068198668 2483909.960510975 1.20620369581706 608.923911160912 39.7403916478646 -73.7353476047021 109892.873070759 T 36 CATAB v2.0f-lin.ifort 2020-Feb-22 22:05:00 2020-Feb-22 22:05

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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