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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2210161866679635 3.8581e-08  
a 2.77898468691201 1.6278e-08 au
q 2.164784088602053 1.0838e-07 au
i 8.095479152910592 4.5062e-06 deg
node 176.4639843114093 3.1465e-05 deg
peri 151.7184862075665 3.3799e-05 deg
M 99.09014209201537 1.0054e-05 deg
tp 2458734.747056993357
(2019-Sep-08.24705699)
4.7142e-05 TDB
period 1692.106358336754
4.63
1.4868e-05
4.071e-08
d
yr
n .212752583917869 1.8693e-09 deg/d
Q 3.393185285221967 1.9876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      13995 days (38.32 yr)  
   first obs. used      1982-09-12  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52931  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:43  

Additional Information
 Earth MOID = 1.15602 au 
 Jupiter MOID = 2.01335 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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