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49935 (1999 XV179)
Classification: Main-belt Asteroid          SPK-ID: 2049935
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .181274297572676 3.45e-08  
a 2.35488974330069 9.7527e-09 au
q 1.928008759222758 8.0888e-08 au
i 7.57873380491106 4.1891e-06 deg
node 314.2429363921 3.1269e-05 deg
peri 294.1956827707275 3.3897e-05 deg
M 105.483084942428 1.5896e-05 deg
tp 2458613.746176469614
(2019-May-10.24617647)
5.731e-05 TDB
period 1319.940315994081
3.61
8.1997e-06
2.245e-08
d
yr
n .272739604691046 1.6943e-09 deg/d
Q 2.781770727378622 1.1521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1766  
   data-arc span      9566 days (26.19 yr)  
   first obs. used      1994-09-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44845  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:28:56  

Additional Information
 Earth MOID = .928757 au 
 Jupiter MOID = 2.31331 au 
 T_jup = 3.521 
[ 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 14.6   n/a MPO493213  
diameter diameter 3.261 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.6595 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.317   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49935 (1999 XV179)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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