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 ]  
2999 Dante (1981 CY)
Classification: Main-belt Asteroid          SPK-ID: 2002999
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054010048071449 1.4492e-08  
a 2.270448650285316 6.2911e-09 au
q 2.031141081182218 3.3717e-08 au
i 6.764146153307112 6.9819e-07 deg
node 74.91389642012678 4.0786e-06 deg
peri 39.68782004979919 6.7031e-06 deg
M 258.388728420659 6.2627e-06 deg
tp 2459553.199901587487
(2021-Dec-04.69990159)
2.2775e-05 TDB
period 1249.585430808745
3.42
5.1936e-06
1.422e-08
d
yr
n .2880955484308138 1.1974e-09 deg/d
Q 2.509756219388415 6.9542e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2566  
   data-arc span      24925 days (68.24 yr)  
   first obs. used      1952-11-16  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43767  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:33:21  

Additional Information
 Earth MOID = 1.05265 au 
 Jupiter MOID = 2.57959 au 
 T_jup = 3.596 
[ 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 13.64   n/a E2021B10  
diameter diameter 6.887 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.128   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2999 Dante (1981 CY)          Discovered 1981-Feb-06 by Thomas, N. G. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 CY = 1978 GT4 = 1978 JT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-24 01:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin