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22413 Haifu (1995 UB13)
Classification: Main-belt Asteroid          SPK-ID: 2022413
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1922457037230847 3.0946e-08  
a 2.404896941723669 8.9728e-09 au
q 1.942565836780508 7.6654e-08 au
i 9.119411070626175 5.5243e-06 deg
node 21.69527172775479 2.6261e-05 deg
peri 236.9061291750262 3.1131e-05 deg
M 14.39818419334972 1.6499e-05 deg
tp 2459146.018587797758
(2020-Oct-23.51858780)
6.2407e-05 TDB
period 1362.207076213561
3.73
7.6237e-06
2.087e-08
d
yr
n .2642770003813728 1.479e-09 deg/d
Q 2.86722804666683 1.0698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      930  
   data-arc span      15060 days (41.23 yr)  
   first obs. used      1979-04-01  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53358  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:05:45  

Additional Information
 Earth MOID = .94406 au 
 Jupiter MOID = 2.23376 au 
 T_jup = 3.481 
[ 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 15.45   n/a E2021B10  
diameter diameter 2.299 km 0.606 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.192   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22413 Haifu           Discovered 1995 Oct. 17 by Spacewatch at Kitt Peak.
Hai Fu (b. 1982) received his Ph.D. from the University of Hawaii and then worked at the University of Iowa, researching how galaxies evolve. Name suggested by R. and P. Jedicke.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-07-09Last Updated: 2017-07-11

[ show close-approach data ]
Alternate Designations
 1995 UB13 = 1979 GM = 1994 GV3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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