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 ]  
1016 Anitra (A924 CG)
Classification: Main-belt Asteroid          SPK-ID: 2001016
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284046802300558 1.1972e-08  
a 2.218824883860574 4.4976e-09 au
q 1.933917384161967 2.6554e-08 au
i 6.034925532805365 1.2146e-07 deg
node 8.839170242907095 9.4198e-06 deg
peri 53.16520872662527 1.1062e-05 deg
M 173.9701124145017 4.3517e-06 deg
tp 2458617.115196729453
(2019-May-13.61519673)
1.4278e-05 TDB
period 1207.210401042945
3.31
3.6706e-06
1.005e-08
d
yr
n .2982081662724123 9.0671e-10 deg/d
Q 2.503732383559182 5.0751e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3085  
   data-arc span      35259 days (96.53 yr)  
   first obs. used      1924-02-01  
   last obs. used      2020-08-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:48:58  

Additional Information
 Earth MOID = .952394 au 
 Jupiter MOID = 2.79069 au 
 T_jup = 3.633 
[ 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 11.95   n/a E2021B10  
diameter diameter 9.539 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.92951 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Menke, J. (2005) Minor Planet Bull. 32, 64-66.]
[Pray, D.P.; Galad, A.; Gajdos, S.; Vilagi, J.; et al. (2006) Minor Planet Bull. 33, 92-95.]
[Menke, J. (2011) http://menkescientific.com/lightcrv.html]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
[Alkema, M.S. (2013) Minor Planet Bull. 40, 133-137.]
[Pilcher, F.; Benishek, V.; Jacobsen, J.; Kristensen, L.H.; et al. (2016) Minor Planet Bull. 43, 274-277.]
[Schmidt, R.E. (2016) Minor Planet Bull. 43, 129-131.]
[Klinglesmith III, D.K. (2017) Minor Planet Bull. 44, 345-348.]
[Lang, K. (2020) Minor Planet Bull. 47, 322-323.]
geometric albedo albedo 0.308   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   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)

1016 Anitra (A924 CG)          Discovered 1924-Jan-31 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A924 CG = 1929 TE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-11 14:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin