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15468 Mondriaan (1999 AT31)
Classification: Main-belt Asteroid          SPK-ID: 2015468
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01710543296287317 3.4845e-08  
a 2.911917242975037 1.3371e-08 au
q 2.862107637781893 1.0591e-07 au
i 1.814174998636568 3.6765e-06 deg
node 356.1929386502146 0.0001222 deg
peri 305.4639430812165 0.00016591 deg
M 347.1553967379506 0.0001125 deg
tp 2459265.256767665116
(2021-Feb-19.75676767)
0.00056718 TDB
period 1814.959628089129
4.97
1.2501e-05
3.423e-08
d
yr
n .1983515194654903 1.3662e-09 deg/d
Q 2.961726848168182 1.36e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1962  
   data-arc span      13797 days (37.77 yr)  
   first obs. used      1982-11-09  
   last obs. used      2020-08-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52704  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:59:31  

Additional Information
 Earth MOID = 1.84503 au 
 Jupiter MOID = 2.05816 au 
 T_jup = 3.282 
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Orbital Elements at Epoch 2456686.5 (2014-Jan-29.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01462664583857552 3.4703e-08  
q 2.866973011819367 1.0489e-07 au
tp 2457474.424695009530
(2016-Mar-26.92469501)
0.00066586 TDB
node 356.2680391429803 0.00012225 deg
peri 309.7010814684713 0.00017982 deg
i 1.814419006954814 3.6759e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1962  
   data-arc span      13797 days (37.77 yr)  
   first obs. used      1982-11-09  
   last obs. used      2020-08-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52704  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:59:31  

Additional Information
 Jupiter MOID = 2.05816 au 
 T_jup = 3.282 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.204267703509053E-15 -3.612121286771367E-15 -1.67933574200014E-12 3.135553034351061E-15 -3.134661890069314E-13 -9.318627132674966E-17
q -3.612121286771367E-15 1.10019207641937E-14 4.61995900626674E-12 -8.182731213972063E-15 8.420219288955975E-13 3.648196798765195E-16
tp -1.67933574200014E-12 4.61995900626674E-12 4.433726300716936E-7 -2.727864314694015E-12 8.782441342356553E-8 2.184269704157741E-12
node 3.135553034351061E-15 -8.182731213972063E-15 -2.727864314694015E-12 1.494540970273631E-8 -1.493790861831767E-8 3.11580660179122E-12
peri -3.134661890069314E-13 8.420219288955975E-13 8.782441342356553E-8 -1.493790861831767E-8 3.23348217267661E-8 -2.687067698126518E-12
i -9.318627132674966E-17 3.648196798765195E-16 2.184269704157741E-12 3.11580660179122E-12 -2.687067698126518E-12 1.351227938293384E-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 13.72   n/a E2021B10  
diameter diameter 5.335 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.64 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.247   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15468 Mondriaan           Discovered 1999 Jan. 14 by Spacewatch at Kitt Peak.
Pieter C. Mondriaan (1872-1944) was a Dutch Neo-plasticist painter. He developed Neo-plasticism painting, which consisted of a grid of vertical and horizontal black lines and the use of three primary colours. Name suggested and citation provided by W. A. Fröger.
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 2014-01-16Last Updated: 2014-01-21

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Alternate Designations
 1999 AT31 = 1982 VV7 = 1991 PN12 = 1994 FA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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