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181001 (2005 ND40)
Classification: Main-belt Asteroid          SPK-ID: 2181001
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05845612236733315 5.4956e-08  
a 2.791172754896412 1.8121e-08 au
q 2.628011618787821 1.5742e-07 au
i 3.260906062841988 4.1104e-06 deg
node 283.5335386475376 0.00010296 deg
peri 136.6298338488413 0.0001235 deg
M 351.986336794615 6.1845e-05 deg
tp 2459238.414653217466
(2021-Jan-23.91465322)
0.0002925 TDB
period 1703.250412260371
4.66
1.6587e-05
4.541e-08
d
yr
n .2113605829234743 2.0583e-09 deg/d
Q 2.954333891005003 1.918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      7055 days (19.32 yr)  
   first obs. used      2001-09-16  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:49  

Additional Information
 Earth MOID = 1.64109 au 
 Jupiter MOID = 2.24125 au 
 T_jup = 3.324 
[ 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 16.18   n/a E2021B55  
diameter diameter 3.710 km 1.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181001 (2005 ND40)          Discovered 2005-Jul-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 ND40 = 2001 SR145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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