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180977 (2005 NB1)
Classification: Main-belt Asteroid          SPK-ID: 2180977
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209910929743293 3.8757e-08  
a 2.778300633442994 1.638e-08 au
q 2.164320939847155 1.0895e-07 au
i 8.095788609754885 4.5572e-06 deg
node 176.4709870787132 3.1491e-05 deg
peri 151.6516737468313 3.3884e-05 deg
M 56.59621946350065 1.0111e-05 deg
tp 2458734.579263464719
(2019-Sep-08.07926346)
4.751e-05 TDB
period 1691.481622980828
4.63
1.4958e-05
4.095e-08
d
yr
n .2128311624016269 1.8821e-09 deg/d
Q 3.392280327038832 1.9999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      13589 days (37.20 yr)  
   first obs. used      1982-09-12  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 18:59:00  

Additional Information
 Earth MOID = 1.15747 au 
 Jupiter MOID = 2.01383 au 
 T_jup = 3.284 
[ 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 16.2   n/a MPO494004  
diameter diameter 3.558 km 0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180977 (2005 NB1)          Discovered 2005-Jul-04 by Lowe, A. at Mayhill
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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