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18036 (1999 ND26)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018036
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145352994973233 4.0972e-08  
a 3.975572595430115 4.2504e-08 au
q 3.397711211950838 1.6432e-07 au
i 3.910525763211838 5.0395e-06 deg
node 82.93246747594566 6.8578e-05 deg
peri 164.2778640122834 7.0757e-05 deg
M 268.9695049359324 1.8254e-05 deg
tp 2459732.620155178872
(2022-Jun-02.12015518)
0.00015216 TDB
period 2895.329259484934
7.93
4.6432e-05
1.271e-07
d
yr
n .1243381901456149 1.994e-09 deg/d
Q 4.553433978909392 4.8682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1096  
   data-arc span      15123 days (41.40 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53017  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:44:28  

Additional Information
 Earth MOID = 2.38429 au 
 Jupiter MOID = .484198 au 
 T_jup = 3.034 
[ 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 13.0   n/a MPO347665  
diameter diameter 16.545 km 0.625 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.049   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

18036 (1999 ND26)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 ND26 = 1978 WG10 = 1992 SM22 = 1998 KD19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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