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46642 (1995 FU4)
Classification: Main-belt Asteroid          SPK-ID: 2046642
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05657988691276516 4.1082e-08  
a 2.967204144747061 2.0003e-08 au
q 2.799320069790184 1.2765e-07 au
i 11.67815733489337 4.8605e-06 deg
node 159.9849272910462 2.2849e-05 deg
peri 318.3155543441621 5.2625e-05 deg
M 305.4924644430183 4.6971e-05 deg
tp 2458883.166026073718
(2020-Feb-03.66602607)
0.00024437 TDB
period 1866.893601897661
5.11
1.8878e-05
5.169e-08
d
yr
n .1928336995927711 1.9499e-09 deg/d
Q 3.135088219703937 2.1135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      8735 days (23.92 yr)  
   first obs. used      1995-02-24  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5897  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:38:37  

Additional Information
 Earth MOID = 1.82537 au 
 Jupiter MOID = 1.90497 au 
 T_jup = 3.230 
[ 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 14.7   n/a MPO417139  
diameter diameter 4.545 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.149   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46642 (1995 FU4)          Discovered 1995-Mar-23 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 FU4 = 2000 DM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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