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43889 Osawatakaomi (1995 QH)
Classification: Main-belt Asteroid          SPK-ID: 2043889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570057923962282 1.9359e-08  
a 2.283610420190089 6.0322e-09 au
q 1.925070356643861 4.4943e-08 au
i 4.36037772101906 1.0598e-06 deg
node 272.5394440680004 5.0966e-06 deg
peri 138.348002796345 8.3632e-06 deg
M 65.09649688569843 6.1484e-06 deg
tp 2458972.577831532551
(2020-May-03.07783153)
2.1212e-05 TDB
period 1260.466915636873
3.45
4.9944e-06
1.367e-08
d
yr
n .2856084483725648 1.1317e-09 deg/d
Q 2.642150483736318 6.9793e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2135  
   data-arc span      9348 days (25.59 yr)  
   first obs. used      1995-08-17  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49071  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:27:42  

Additional Information
 Earth MOID = .93771 au 
 Jupiter MOID = 2.70979 au 
 T_jup = 3.583 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.25   n/a MPCxxxxx  
diameter diameter 3.412 km 0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.349   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43889 Osawatakaomi           Discovered 1995 Aug. 17 by T. Okuni at Nanyo.
Pharmacist Osawa Takaomi (b. 1957) is a Japanese amateur astronomer. He has hunted comets from the town of Kawachi in Tochigi prefecture since 1974 and made an independent discovery of comet C/1996 B1.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

Alternate Designations
 1995 QH = 1999 XU84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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