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16277 Mallada (2000 JW74)
Classification: Main-belt Asteroid          SPK-ID: 2016277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07567248593444369 3.6593e-08  
a 2.75386838452352 1.273e-08 au
q 2.545476317930355 1.0275e-07 au
i 8.477557781082814 3.8762e-06 deg
node 93.09591546576989 2.9822e-05 deg
peri 330.5495078731082 4.1989e-05 deg
M 308.798638905266 2.8411e-05 deg
tp 2459237.906279727521
(2021-Jan-23.40627973)
0.00013172 TDB
period 1669.218530026491
4.57
1.1574e-05
3.169e-08
d
yr
n .2156697841080681 1.4954e-09 deg/d
Q 2.962260451116686 1.3693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1854  
   data-arc span      14956 days (40.95 yr)  
   first obs. used      1979-11-16  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:28:13  

Additional Information
 Earth MOID = 1.56314 au 
 Jupiter MOID = 2.27243 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456996.5 (2014-Dec-05.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07589262447220235 3.6678e-08  
q 2.546322725484294 1.0295e-07 au
tp 2457556.178492835926
(2016-Jun-16.67849284)
0.00013172 TDB
node 93.18387813106578 2.9892e-05 deg
peri 328.1606279685988 4.1938e-05 deg
i 8.467456888699237 3.871e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1854  
   data-arc span      14956 days (40.95 yr)  
   first obs. used      1979-11-16  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:28:13  

Additional Information
 Jupiter MOID = 2.27243 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.345306166192947E-15 -3.751622184842775E-15 -5.050189590167582E-13 -4.778837257382522E-15 -1.041204721991022E-13 -1.642211338960927E-15
q -3.751622184842775E-15 1.059850362593925E-14 1.309771953271869E-12 1.443491597355431E-14 2.571613431568004E-13 4.705212764318434E-15
tp -5.050189590167582E-13 1.309771953271869E-12 1.734885592759552E-8 -2.389705531689281E-12 3.898373462415602E-9 3.814433289101441E-12
node -4.778837257382522E-15 1.443491597355431E-14 -2.389705531689281E-12 8.935144196848526E-10 -8.838163030116645E-10 -6.434660418263446E-12
peri -1.041204721991022E-13 2.571613431568004E-13 3.898373462415602E-9 -8.838163030116645E-10 1.758790865118866E-9 7.218286423781913E-12
i -1.642211338960927E-15 4.705212764318434E-15 3.814433289101441E-12 -6.434660418263446E-12 7.218286423781913E-12 1.498462803380412E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5   n/a MPO358789  
diameter diameter 13.297 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16277 Mallada           Discovered 2000 May 4 by Spacewatch at Kitt Peak.
Uruguayan astronomer Esmeralda H. Mallada (b. 1937) is a professor at the Universidad de la República, who studies minor bodies and teaches cosmography and mathematics. In 1952 she was one of the founders of the Asociación de Aficionados a la Astronomía, the oldest amateur astronomer association in Uruguay.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-03-05Last Updated: 2015-03-09

Alternate Designations
 2000 JW74 = 1979 WH3 = 1990 DH7 = 1991 LT3 = 1999 CD40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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