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14861 (1990 DA2)
Classification: Main-belt Asteroid          SPK-ID: 2014861
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05448122935895418 4.013e-08  
a 2.756773986349995 1.069e-08 au
q 2.606581550508863 1.1004e-07 au
i 6.136358778721337 3.7605e-06 deg
node 164.8270981412689 3.3865e-05 deg
peri 234.9727323775687 4.5772e-05 deg
M 3.931356399731552 2.9139e-05 deg
tp 2459182.242551428571
(2020-Nov-28.74255143)
0.00013536 TDB
period 1671.86101116736
4.58
9.7241e-06
2.662e-08
d
yr
n .2153289044934625 1.2524e-09 deg/d
Q 2.906966422191128 1.1272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2033  
   data-arc span      11808 days (32.33 yr)  
   first obs. used      1988-11-03  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5011  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:40:57  

Additional Information
 Earth MOID = 1.61764 au 
 Jupiter MOID = 2.31591 au 
 T_jup = 3.333 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457167.5 (2015-May-25.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05617342332779929 4.0568e-08  
q 2.602813440446738 1.1141e-07 au
tp 2457498.114869574945
(2016-Apr-19.61486958)
0.00013238 TDB
node 164.9922331746053 3.3842e-05 deg
peri 232.4387806672876 4.4826e-05 deg
i 6.137878476117995 3.7651e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2033  
   data-arc span      11808 days (32.33 yr)  
   first obs. used      1988-11-03  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5011  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:40:57  

Additional Information
 Jupiter MOID = 2.31591 au 
 T_jup = 3.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.645745917619841E-15 -4.501547706237267E-15 -7.920214949472719E-13 1.486490724503559E-14 -1.625487152155717E-13 -1.691704380441471E-16
q -4.501547706237267E-15 1.241216579606817E-14 1.701540894600834E-12 -4.022269150373136E-14 3.372820089095667E-13 7.158055610203213E-16
tp -7.920214949472719E-13 1.701540894600834E-12 1.752487039436073E-8 -1.348191892103487E-11 3.907754303872211E-9 1.482791867727417E-12
node 1.486490724503559E-14 -4.022269150373136E-14 -1.348191892103487E-11 1.145307425296896E-9 -1.141337998995784E-9 5.144565458520321E-11
peri -1.625487152155717E-13 3.372820089095667E-13 3.907754303872211E-9 -1.141337998995784E-9 2.009382985785733E-9 -5.086776624207119E-11
i -1.691704380441471E-16 7.158055610203213E-16 1.482791867727417E-12 5.144565458520321E-11 -5.086776624207119E-11 1.417627191185754E-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 13.76   n/a MPCxxxxx  
diameter diameter 9.370 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14861 (1990 DA2)          Discovered 1990-Feb-24 by Debehogne, H. at La Silla
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 DA2 = 1988 VW11 = 1999 CB60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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