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2839 Annette (1929 TP)
Classification: Main-belt Asteroid          SPK-ID: 2002839
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505172883835413 3.4341e-08  
a 2.216070751038726 5.4487e-09 au
q 1.882513790726299 7.6794e-08 au
i 4.808229284704737 3.8551e-06 deg
node 44.561320843902 3.6326e-05 deg
peri 6.728382639344477 3.8138e-05 deg
M 139.3746094695932 1.19e-05 deg
tp 2458533.996375695748
(2019-Feb-19.49637570)
3.908e-05 TDB
period 1204.963410399149
3.30
4.444e-06
1.217e-08
d
yr
n .2987642586431306 1.1019e-09 deg/d
Q 2.549627711351152 6.2688e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3998  
   data-arc span      33196 days (90.89 yr)  
   first obs. used      1929-09-29  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35562  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:05:35  

Additional Information
 Earth MOID = .893222 au 
 Jupiter MOID = 2.80117 au 
 T_jup = 3.634 
[ 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 12.9   n/a MPO358655  
diameter diameter 7.313 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.4595 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2006) Minor Planet Bull. 33, 58-62.]
[Buchheim, R.K. (2007) Minor Planet Bull. 34, 68-71.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.060   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2839 Annette (1929 TP)          Discovered 1929-Oct-05 by Tombaugh, C. W. at Flagstaff (LO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1929 TP = 1937 AB1 = 1939 UL = 1962 TE = 1970 BB = 1972 XF1 = 1982 VP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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