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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
2175 Andrea Doria (1977 TY)
Classification: Main-belt Asteroid          SPK-ID: 2002175
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2065276250612077 8.0371e-09  
a 2.216022684912048 4.4695e-09 au
q 1.758352782715402 1.8544e-08 au
i 3.703540283776797 8.8842e-07 deg
node 222.0600267459017 5.0101e-06 deg
peri 143.633043215841 6.7184e-06 deg
M 101.7071375599768 5.0865e-06 deg
tp 2459056.085021886709
(2020-Jul-25.58502189)
1.6781e-05 TDB
period 1204.92420749249
3.30
3.6453e-06
9.98e-09
d
yr
n .2987739791112494 9.0389e-10 deg/d
Q 2.673692587108694 5.3926e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2732  
   data-arc span      25867 days (70.82 yr)  
   first obs. used      1950-06-15  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43016  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:25:26  

Additional Information
 Earth MOID = .757778 au 
 Jupiter MOID = 2.79796 au 
 T_jup = 3.622 
[ 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 13.90   n/a MPCxxxxx  
diameter diameter 3.922 km 0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.880 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Megna, R. (2011) http://www.macastronomy.com/MacAstronomy.com/Asteroids.html]
geometric albedo albedo 0.417   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2175 Andrea Doria (1977 TY)          Discovered 1977-Oct-12 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1977 TY = 1964 VY1 = 1967 RS = 1967 TE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-25 01:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin