Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
1222 Tina (1932 LA)
Classification: Main-belt Asteroid          SPK-ID: 2001222
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2485387459309836 4.4982e-08  
a 2.796327904553936 1.2632e-08 AU
q 2.101332073944285 1.2379e-07 AU
i 19.58152291807363 6.7182e-06 deg
node 245.8592879347053 1.5239e-05 deg
peri 59.6801591381003 1.9856e-05 deg
M 222.4756510207229 1.2638e-05 deg
tp 2457652.965674190476
(2016-Sep-21.46567419)
6.1744e-05 JED
period 1707.971311639988
4.68
1.1573e-05
3.169e-08
d
yr
n .21077637402137 1.4282e-09 deg/d
Q 3.491323735163586 1.5771e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1070  
   data-arc span      29792 days (81.57 yr)  
   first obs. used      1932-06-11  
   last obs. used      2014-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53246  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 11:58:18  

Additional Information
 Earth MOID = 1.15427 AU 
 T_jup = 3.199 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.2 mag n/a MPO256870  
diameter diameter 20.84 km 1.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 27
rotation period rot_per 13.395 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Warner, B.D. (2008) Minor Planet Bul. 35, 56-60.]
geometric albedo albedo 0.3086   0.059 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 27
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1222 Tina (1932 LA)          Discovered 1932-Jun-11 by Delporte, E. at Uccle (012)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1932 LA = 1955 HP 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-23 19:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin