Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
46025 (2001 DQ18)
Classification: Main-belt Asteroid          SPK-ID: 2046025
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06784675509851351 5.0139e-08  
a 2.589389421388127 1.5199e-08 au
q 2.413707751460525 1.2436e-07 au
i 10.39940299784134 4.041e-06 deg
node 109.777412720999 2.5974e-05 deg
peri 108.6438556720558 4.1858e-05 deg
M 173.8858387680663 3.2726e-05 deg
tp 2458265.383459339116
(2018-May-26.88345934)
0.00013714 TDB
period 1521.929310131487
4.17
1.34e-05
3.669e-08
d
yr
n .2365418666974078 2.0827e-09 deg/d
Q 2.765071091315729 1.6231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      10077 days (27.59 yr)  
   first obs. used      1993-03-22  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:49:14  

Additional Information
 Earth MOID = 1.42758 au 
 Jupiter MOID = 2.27693 au 
 T_jup = 3.394 
[ 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 14.9   n/a MPO502463  
diameter diameter 2.493 km 0.683 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.375   0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46025 (2001 DQ18)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
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
2198-Sep-12 05:04 00:04 Amphi 0.0254760653490872 0.0254741696545824 0.0254780074564032 5.13063512623243 5.13063508225098 2524117.710946398 4.29080892500664 1943.31343160842 44.8580145943907 -87.5084069718297 84851.8618761619 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:49:17 2020-Nov-12 23:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-24 16:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin