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3670 Northcott (1983 BN)
Classification: Main-belt Asteroid          SPK-ID: 2003670
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0164571214365529 1.3775e-08  
a 2.742233513171184 1.0292e-08 au
q 2.697104243237541 3.839e-08 au
i 6.448214915636101 2.2694e-07 deg
node 107.0040438419777 5.0714e-06 deg
peri 147.102075311686 5.7906e-05 deg
M 13.39172898584469 5.5984e-05 deg
tp 2459138.799422490922
(2020-Oct-16.29942249)
0.000258 TDB
period 1658.651241131495
4.54
9.3377e-06
2.557e-08
d
yr
n .2170438191421218 1.2219e-09 deg/d
Q 2.787362783104828 1.0461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2863  
   data-arc span      18384 days (50.33 yr)  
   first obs. used      1970-05-08  
   last obs. used      2020-09-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40337  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:24:26  

Additional Information
 Earth MOID = 1.68169 au 
 Jupiter MOID = 2.2121 au 
 T_jup = 3.340 
[ 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 12.37   n/a E2021B10  
diameter diameter 18.894 km 0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.992 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Carreno, A.; Arce, E.; Fornas, G.; Mas, V. (2019) Minor Planet Bull. 46, 200-203.]
geometric albedo albedo 0.065   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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)

3670 Northcott (1983 BN)          Discovered 1983-Jan-22 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1983 BN = 1970 JE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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