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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157105829133054 1.9047e-08  
a 2.283397510187378 5.9876e-09 au
q 1.924662451109039 4.4118e-08 au
i 4.360214481378745 1.0569e-06 deg
node 272.5336603392253 5.0892e-06 deg
peri 138.3212998934594 8.3488e-06 deg
M 121.1030954963313 6.1939e-06 deg
tp 2458972.541394424806
(2020-May-03.04139442)
2.1087e-05 TDB
period 1260.290642295709
3.45
4.9572e-06
1.357e-08
d
yr
n .2856483956305781 1.1236e-09 deg/d
Q 2.642132569265717 6.9283e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2230  
   data-arc span      9430 days (25.82 yr)  
   first obs. used      1995-08-17  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49375  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:40:54  

Additional Information
 Earth MOID = .937639 au 
 Jupiter MOID = 2.7108 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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