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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01651167052855712 3.4844e-08  
a 2.909528642242031 1.3409e-08 au
q 2.86148746390793 1.0567e-07 au
i 1.814103610994257 3.6784e-06 deg
node 356.2260167272648 0.00012265 deg
peri 307.4934771632272 0.00016925 deg
M 305.4179035315362 0.00011693 deg
tp 2459275.340097589394
0.00058877 TDB
period 1812.726911091595
n .1985958269815798 1.3729e-09 deg/d
Q 2.957569820576131 1.363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1945  
   data-arc span      13797 days (37.77 yr)  
   first obs. used      1982-11-09  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:33:28  

Additional Information
 Earth MOID = 1.84653 au 
 Jupiter MOID = 2.06305 au 
 T_jup = 3.283 
[ 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 13.72   n/a E2021B10  
diameter diameter 5.335 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
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] (  

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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
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
2070-May-09 17:35 00:01 Ceres 0.0355535825380238 0.0355463258925845 0.0355608420570476 3.55785667845202 3.55785333865516 2477241.232846351 1.34387982367189 616.182260281941 33.1193355980672 -54.5388624044772 129528.888295788 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 02:33:33 2020-Nov-13 02:33

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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