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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
91017 (1998 DA16)
Classification: Main-belt Asteroid          SPK-ID: 2091017
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846062800047535 3.7693e-08  
a 2.56318566457912 1.3364e-08 au
q 2.090005494079657 9.8139e-08 au
i 10.88570155711771 4.7379e-06 deg
node 185.2329626237903 2.78e-05 deg
peri 294.5040297106822 3.1803e-05 deg
M 176.1093941224529 1.6613e-05 deg
tp 2458267.255950418154
(2018-May-28.75595042)
6.7832e-05 TDB
period 1498.885730456386
4.10
1.1722e-05
3.209e-08
d
yr
n .240178415662404 1.8783e-09 deg/d
Q 3.036365835078583 1.5831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      7777 days (21.29 yr)  
   first obs. used      1998-01-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57635  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:03:05  

Additional Information
 Earth MOID = 1.13169 au 
 Jupiter MOID = 2.12403 au 
 T_jup = 3.385 
[ 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 15.3   n/a MPO337937  
diameter diameter 4.969 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91017 (1998 DA16)          Discovered 1998-Feb-25 by NEAT at Haleakala
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-20 09:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin