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JPL Small-Body Database Browser
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34694 (2001 MK18)
Classification: Main-belt Asteroid          SPK-ID: 2034694
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2922981160142778 4.5589e-08  
a 2.379538187922081 8.5685e-09 au
q 1.684003658608428 1.0954e-07 au
i 3.584614753395708 3.8684e-06 deg
node 285.6836895617013 8.9822e-05 deg
peri 116.6192021282355 9.0154e-05 deg
M 233.2234169712992 8.2835e-06 deg
tp 2459072.643469101486
(2020-Aug-11.14346910)
3.1922e-05 TDB
period 1340.718016023947
3.67
7.2417e-06
1.983e-08
d
yr
n .2685128384174483 1.4503e-09 deg/d
Q 3.075072717235733 1.1073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      886  
   data-arc span      9563 days (26.18 yr)  
   first obs. used      1992-03-02  
   last obs. used      2018-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55042  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 19:11:46  

Additional Information
 Earth MOID = .696012 au 
 Jupiter MOID = 2.35531 au 
 T_jup = 3.478 
[ 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 15.2   n/a MPO449213  
diameter diameter 2.211 km 0.505 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.4626 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2016) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.329   0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34694 (2001 MK18)          Discovered 2001-Jun-23 by JPL/GEODSS NEAT at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 MK18 = 1999 BE24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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