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67031 (1999 XX166)
Classification: Main-belt Asteroid          SPK-ID: 2067031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121550601794384 4.7812e-08  
a 2.742454942361038 1.4796e-08 au
q 2.434874743261138 1.3378e-07 au
i 12.0133485941945 5.4275e-06 deg
node 46.61104589872095 1.8395e-05 deg
peri 326.3619600697419 2.6174e-05 deg
M 314.240891918785 2.0293e-05 deg
tp 2459607.354429265054
(2022-Jan-27.85442927)
9.419e-05 TDB
period 1658.85214372395
4.54
1.3424e-05
3.675e-08
d
yr
n .2170175330948047 1.7562e-09 deg/d
Q 3.050035141460939 1.6455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1276  
   data-arc span      7972 days (21.83 yr)  
   first obs. used      1999-10-12  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:34:55  

Additional Information
 Earth MOID = 1.44583 au 
 Jupiter MOID = 2.42258 au 
 T_jup = 3.309 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457325.5 (2015-Oct-30.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121550052758961 4.7847e-08  
q 2.432392337298058 1.3356e-07 au
tp 2457955.269023780201
(2017-Jul-20.76902378)
8.9344e-05 TDB
node 46.68020725254232 1.8382e-05 deg
peri 327.4406153361234 2.611e-05 deg
i 12.02148039148672 5.4303e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1276  
   data-arc span      7972 days (21.83 yr)  
   first obs. used      1999-10-12  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:34:55  

Additional Information
 Jupiter MOID = 2.42258 au 
 T_jup = 3.309 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.289367555700758E-15 -6.360760931164466E-15 1.083135542729266E-12 4.909815997335148E-15 2.096619394118285E-13 -1.443675184899471E-15
q -6.360760931164466E-15 1.783880102453655E-14 -2.662723616385495E-12 -1.422614228621994E-14 -5.233646231634528E-13 4.753124050820151E-15
tp 1.083135542729266E-12 -2.662723616385495E-12 7.982335980762636E-9 5.152553960981825E-12 1.666433725099469E-9 -5.739095656934824E-12
node 4.909815997335148E-15 -1.422614228621994E-14 5.152553960981825E-12 3.378992650121854E-10 -3.289729080787878E-10 -1.207395473367634E-11
peri 2.096619394118285E-13 -5.233646231634528E-13 1.666433725099469E-9 -3.289729080787878E-10 6.817388498958659E-10 1.062349271690811E-11
i -1.443675184899471E-15 4.753124050820151E-15 -5.739095656934824E-12 -1.207395473367634E-11 1.062349271690811E-11 2.948804604707844E-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 14.31   n/a E2021B10  
diameter diameter 3.915 km 1.435 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.289   0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

67031 (1999 XX166)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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