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1906 Naef (1972 RC)
Classification: Main-belt Asteroid          SPK-ID: 2001906
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1340130931232691 3.7802e-08  
a 2.373341876042026 6.479e-09 au
q 2.055282990194651 8.9801e-08 au
i 6.47194031425732 4.1312e-06 deg
node 354.7492079697163 2.9838e-05 deg
peri 14.68396145807243 3.2291e-05 deg
M 4.191925599452595 1.3115e-05 deg
tp 2458984.949299924608
(2020-May-15.44929992)
4.8632e-05 TDB
period 1335.484586814234
3.66
5.4686e-06
1.497e-08
d
yr
n .2695650728989475 1.1038e-09 deg/d
Q 2.691400761889399 7.3473e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2748  
   data-arc span      20078 days (54.97 yr)  
   first obs. used      1965-11-20  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40959  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:03:22  

Additional Information
 Earth MOID = 1.05492 au 
 Jupiter MOID = 2.77193 au 
 T_jup = 3.522 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5   n/a MPO250216  
diameter diameter 7.923 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.009 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2005) http://www.asu.cas.cz/~ppravec/neo.htm]
[Durkee, R.I.; Pravec, P. (2007) Minor Planet Bull. 34, 49.]
[Polishook, D. (2010) Minor Planet Bull. 37, 65-69.]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.234   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1906 Naef (1972 RC)          Discovered 1972-Sep-05 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1972 RC = 1943 VF = 1952 DG1 = 1965 WF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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