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JPL Small-Body Database Browser
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29737 Norihiro (1999 BG7)
Classification: Main-belt Asteroid          SPK-ID: 2029737
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09546645210487378 3.6959e-08  
a 2.758174941061656 1.3212e-08 au
q 2.49486176515393 9.9738e-08 au
i 9.598170268775862 3.9327e-06 deg
node 150.2932184191405 2.1839e-05 deg
peri 53.78548033420468 2.9346e-05 deg
M 188.5744890865953 2.0747e-05 deg
tp 2459797.217013239854
(2022-Aug-05.71701324)
9.8101e-05 TDB
period 1673.135598302129
4.58
1.2021e-05
3.291e-08
d
yr
n .215164867907492 1.5459e-09 deg/d
Q 3.021488116969381 1.4473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1260  
   data-arc span      8977 days (24.58 yr)  
   first obs. used      1995-04-29  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51458  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:27:43  

Additional Information
 Earth MOID = 1.50679 au 
 Jupiter MOID = 1.96998 au 
 T_jup = 3.316 
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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 14.3   n/a MPO431838  
diameter diameter 3.491 km 0.618 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.303   0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

29737 Norihiro           Discovered 1999 Jan. 21 by A. Nakamura at Kuma Kogen.
Norihiro Nakamura (b. 1973), born in Osaka prefecture, has been a baseball player for the Kintetsu Buffaloes since 1992. A slugger well known for his powerful bat swing, Nakamura won the Pacific League home-run title in 2000, and the runs-batted-in title in 2000 and 2001.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1999 BG7 = 1995 HL5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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