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91930 (1999 VT48)
Classification: Main-belt Asteroid          SPK-ID: 2091930
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543722750787911 3.5992e-08  
a 2.887464306003082 1.4732e-08 au
q 2.441719871876584 1.0413e-07 au
i 10.11571285084602 7.1318e-06 deg
node 5.68544306888544 2.1781e-05 deg
peri 94.34481305988338 3.1488e-05 deg
M 106.1637024563171 2.3611e-05 deg
tp 2458867.997654930874
(2020-Jan-19.49765493)
0.00011603 TDB
period 1792.14590130908
4.91
1.3716e-05
3.755e-08
d
yr
n .2008765021514357 1.5373e-09 deg/d
Q 3.33320874012958 1.7006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1192  
   data-arc span      7916 days (21.67 yr)  
   first obs. used      1999-10-12  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49011  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:17:58  

Additional Information
 Earth MOID = 1.48401 au 
 Jupiter MOID = 1.89891 au 
 T_jup = 3.251 
[ 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 14.28   n/a MPO637247  
diameter diameter 4.180 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.52511 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 0.176   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91930 (1999 VT48)          Discovered 1999-Nov-03 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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Alternate Designations
 1999 VT48 = 2000 YA106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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