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JPL Small-Body Database Browser
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80049 (1999 JV54)
Classification: Main-belt Asteroid          SPK-ID: 2080049
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2366152051005962 3.9053e-08  
a 3.089959228121552 2.1113e-08 au
q 2.358827891607091 1.22e-07 au
i 1.466836614106804 5.3461e-06 deg
node 49.6816506464236 0.00021232 deg
peri 220.048894588318 0.00021256 deg
M 289.1399950914335 1.2758e-05 deg
tp 2459391.004666143339
(2021-Jun-25.50466614)
7.1406e-05 TDB
period 1983.935507667548
5.43
2.0333e-05
5.567e-08
d
yr
n .1814575114002777 1.8598e-09 deg/d
Q 3.821090564636013 2.6108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      812  
   data-arc span      10273 days (28.13 yr)  
   first obs. used      1990-11-23  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57815  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:51:41  

Additional Information
 Earth MOID = 1.34295 au 
 Jupiter MOID = 1.29729 au 
 T_jup = 3.181 
[ 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 14.5   n/a MPO432349  
diameter diameter 6.693 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.389 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.075   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80049 (1999 JV54)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 JV54 = 2000 SH79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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