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7899 Joya (1996 BV3)
Classification: Main-belt Asteroid          SPK-ID: 2007899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402939949517584 2.9379e-08  
a 2.34363930291275 7.2478e-09 au
q 2.014840782381166 6.795e-08 au
i 6.254723063181501 3.5235e-06 deg
node 83.3868959898485 3.6176e-05 deg
peri 217.7470836667759 3.946e-05 deg
M 130.7182087253134 1.5083e-05 deg
tp 2458524.652082674727
(2019-Feb-10.15208267)
5.4886e-05 TDB
period 1310.492638382713
3.59
6.0791e-06
1.664e-08
d
yr
n .2747058544672775 1.2743e-09 deg/d
Q 2.672437823444334 8.2646e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2136  
   data-arc span      20419 days (55.90 yr)  
   first obs. used      1964-03-11  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:40:56  

Additional Information
 Earth MOID = 1.00335 au 
 Jupiter MOID = 2.52401 au 
 T_jup = 3.541 
[ 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 13.5   n/a MPO299020  
diameter diameter 3.902 km 0.379 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 85.658 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.555   0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7899 Joya           Discovered 1996 Jan. 30 by T. Kobayashi at Oizumi.
Masanori Joya (1940-1967) was an early member of the Japan Lunar and Planetary Observers Network and played a vital role in its early development. He was the first discoverer in Japan of Jupiter's SEB Disturbance in 1962. He died tragically after losing his way in an unexpectedly heavy snowfall on Mt. Asama.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030910/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1996 BV3 = 1964 EO = 1986 KP = 1990 RQ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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