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 ]  
186021 (2001 QD184)
Classification: Main-belt Asteroid          SPK-ID: 2186021
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815682576467952 5.416e-08  
a 2.43237651926622 1.0029e-08 au
q 1.990734152722076 1.3021e-07 au
i 1.261168083025901 7.7006e-06 deg
node 174.5293837454844 0.00018805 deg
peri 113.3830285761328 0.0001898 deg
M 62.103009852446 2.0736e-05 deg
tp 2458961.468697170874
(2020-Apr-21.96869717)
8.0154e-05 TDB
period 1385.621553978452
3.79
8.5701e-06
2.346e-08
d
yr
n .259811200949028 1.6069e-09 deg/d
Q 2.874018885810364 1.1851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      7005 days (19.18 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51978  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:49:35  

Additional Information
 Earth MOID = .972853 au 
 Jupiter MOID = 2.29114 au 
 T_jup = 3.484 
[ 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 17.7   n/a MPO352141  

186021 (2001 QD184)          Discovered 2001-Aug-21 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2001 QD184 = 2005 SS25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-16 07:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin