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JPL Small-Body Database Browser
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193772 (2001 NK4)
Classification: Main-belt Asteroid          SPK-ID: 2193772
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06375637610485102 4.4461e-08  
a 3.173660274043935 3.9154e-08 au
q 2.971319195982966 1.5121e-07 au
i 23.81823633052349 4.9167e-06 deg
node 114.85967750 1.3213e-05 deg
peri 343.8424586476755 4.5245e-05 deg
M 324.8635697857812 4.4243e-05 deg
tp 2459202.055296731263
(2020-Dec-18.55529673)
0.00025504 TDB
period 2065.090459698767
5.65
3.8216e-05
1.046e-07
d
yr
n .1743265038629412 3.226e-09 deg/d
Q 3.376001352104905 4.165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      6729 days (18.42 yr)  
   first obs. used      2001-06-26  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55422  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:37:14  

Additional Information
 Earth MOID = 1.99213 au 
 Jupiter MOID = 1.76483 au 
 T_jup = 3.066 
[ 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 14.2   n/a MPO413019  
diameter diameter 5.434 km 0.363 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193772 (2001 NK4)          Discovered 2001-Jul-13 by NEAT at Palomar
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 2001 NK4 = 2005 ER153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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