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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .236615162786424 3.7634e-08  
a 3.089959234885628 1.9784e-08 au
q 2.358828027519751 1.1906e-07 au
i 1.466840177074399 5.0023e-06 deg
node 49.68169031422691 0.00021212 deg
peri 220.048860313627 0.00021234 deg
M 289.1399923083312 1.2756e-05 deg
tp 2459391.004682763078
(2021-Jun-25.50468276)
7.1383e-05 TDB
period 1983.93551418195
5.43
1.9054e-05
5.217e-08
d
yr
n .1814575108044483 1.7427e-09 deg/d
Q 3.821090442251505 2.4466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      10662 days (29.19 yr)  
   first obs. used      1990-11-23  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:51:46  

Additional Information
 Earth MOID = 1.34295 au 
 Jupiter MOID = 1.29729 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456441.5 (2013-May-29.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2327678065350794 3.7118e-08  
q 2.38340733378229 1.1617e-07 au
tp 2457400.681700127686
(2016-Jan-13.18170013)
7.0957e-05 TDB
node 50.24128275958255 0.00020929 deg
peri 217.9698295128249 0.00020959 deg
i 1.475010819568475 5.0171e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      10662 days (29.19 yr)  
   first obs. used      1990-11-23  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:51:46  

Additional Information
 Jupiter MOID = 1.29729 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.377781463947961E-15 -4.272796247184224E-15 1.42439619320011E-13 -1.228295221844306E-14 3.889647372948956E-14 2.642086844418481E-16
q -4.272796247184224E-15 1.349468545087117E-14 -3.503981400196729E-13 3.782897058071326E-14 -1.455803419999078E-13 -9.64678652451428E-16
tp 1.42439619320011E-13 -3.503981400196729E-13 5.034958112267741E-9 9.741014502145488E-11 8.052758264226894E-10 -8.993209983526587E-13
node -1.228295221844306E-14 3.782897058071326E-14 9.741014502145488E-11 4.380408856129024E-8 -4.377720814189639E-8 -2.675910562770428E-10
peri 3.889647372948956E-14 -1.455803419999078E-13 8.052758264226894E-10 -4.377720814189639E-8 4.392879215185783E-8 2.674411253089808E-10
i 2.642086844418481E-16 -9.64678652451428E-16 -8.993209983526587E-13 -2.675910562770428E-10 2.674411253089808E-10 2.517094591660891E-11

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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