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 ]  
18351 (1990 QN5)
Classification: Main-belt Asteroid          SPK-ID: 2018351
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175434204292751 3.7191e-08  
a 2.790246877221948 1.2085e-08 au
q 2.300742136536182 1.0235e-07 au
i 8.63017613572304 5.1442e-06 deg
node 345.1163094851426 2.4968e-05 deg
peri 41.026922877364 2.9168e-05 deg
M 142.5330072476957 1.4239e-05 deg
tp 2458526.476062505168
(2019-Feb-11.97606251)
6.7299e-05 TDB
period 1702.402988498389
4.66
1.106e-05
3.028e-08
d
yr
n .2114657941933827 1.3738e-09 deg/d
Q 3.279751617907714 1.4205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2023  
   data-arc span      11105 days (30.40 yr)  
   first obs. used      1990-08-22  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:37:52  

Additional Information
 Earth MOID = 1.3107 au 
 Jupiter MOID = 2.23383 au 
 T_jup = 3.290 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.32   n/a E2021B10  
diameter diameter 5.753 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.339 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.194   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18351 (1990 QN5)          Discovered 1990-Aug-29 by Holt, H. E. at Palomar
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QN5 = 1997 DV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-11 15:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin