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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283963857646417 3.1097e-08  
a 2.218965821327104 5.076e-09 au
q 1.934058629733433 6.8573e-08 au
i 6.03477144727124 4.1693e-06 deg
node 8.839215357220134 2.8867e-05 deg
peri 53.2151718485355 3.3276e-05 deg
M 114.2704761047893 1.6329e-05 deg
tp 2458617.273191625696
(2019-May-13.77319163)
5.4392e-05 TDB
period 1207.325424007464
3.31
4.1427e-06
1.134e-08
d
yr
n .2981797557157833 1.0231e-09 deg/d
Q 2.503873012920773 5.7277e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2983  
   data-arc span      35200 days (96.37 yr)  
   first obs. used      1924-02-01  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38557  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:24:49  

Additional Information
 Earth MOID = .953264 au 
 Jupiter MOID = 2.79038 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 11.9   n/a MPO448921  
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. 2019-August); 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.]
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 ]
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