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18040 (1999 NC60)
Classification: Main-belt Asteroid          SPK-ID: 2018040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514004897663905 3.9248e-08  
a 2.706619234322584 1.4361e-08 au
q 2.296835756635012 1.0784e-07 au
i 12.25179986162114 4.7016e-06 deg
node 217.9879917363289 1.8094e-05 deg
peri 185.9131631224577 2.3575e-05 deg
M 204.7111990625777 1.7803e-05 deg
tp 2459902.079367140573
(2022-Nov-18.57936714)
8.3685e-05 TDB
period 1626.444216491732
4.45
1.2944e-05
3.544e-08
d
yr
n .2213417443707515 1.7616e-09 deg/d
Q 3.116402712010157 1.6535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1489  
   data-arc span      12317 days (33.72 yr)  
   first obs. used      1986-10-04  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50168  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:20:56  

Additional Information
 Earth MOID = 1.30492 au 
 Jupiter MOID = 2.29299 au 
 T_jup = 3.316 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.84   n/a E2021B10  
diameter diameter 5.316 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.207   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18040 (1999 NC60)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NC60 = 1986 TV = 1998 HL101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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