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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543999097488383 3.9483e-08  
a 2.888610075477335 1.6598e-08 au
q 2.44260894052405 1.1699e-07 au
i 10.11386902775382 7.6728e-06 deg
node 5.687065061254102 2.4826e-05 deg
peri 94.49370445581411 3.4324e-05 deg
M 26.4972131485988 2.3716e-05 deg
tp 2458868.513501351658
(2020-Jan-20.01350135)
0.00011783 TDB
period 1793.212714368633
4.91
1.5456e-05
4.232e-08
d
yr
n .2007569972683086 1.7304e-09 deg/d
Q 3.334611210430621 1.9161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      7500 days (20.53 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:44:04  

Additional Information
 Earth MOID = 1.48467 au 
 Jupiter MOID = 1.89731 au 
 T_jup = 3.251 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456678.5 (2014-Jan-21.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1531963512073332 3.9712e-08  
q 2.445823671409343 1.1744e-07 au
tp 2457079.066204704222
(2015-Feb-25.56620470)
0.00011545 TDB
node 5.727160835174286 2.484e-05 deg
peri 95.18761508353222 3.4382e-05 deg
i 10.11147980508035 7.6694e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      7500 days (20.53 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:44:04  

Additional Information
 Jupiter MOID = 1.89731 au 
 T_jup = 3.251 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.577070045514807E-15 -4.631458575466848E-15 1.979387934848822E-13 5.254012208596658E-15 5.706680688780757E-15 -5.991628451836255E-15
q -4.631458575466848E-15 1.379253319733698E-14 -4.145743860763585E-13 -1.399245112530885E-14 4.85219918526028E-15 2.04303662932298E-14
tp 1.979387934848822E-13 -4.145743860763585E-13 1.332777385255835E-8 1.88200194077414E-11 2.752635022573367E-9 7.014899550272837E-12
node 5.254012208596658E-15 -1.399245112530885E-14 1.88200194077414E-11 6.170016632856249E-10 -6.032332528315182E-10 -1.913388812747064E-12
peri 5.706680688780757E-15 4.85219918526028E-15 2.752635022573367E-9 -6.032332528315182E-10 1.182155271737813E-9 3.562854257483726E-12
i -5.991628451836255E-15 2.04303662932298E-14 7.014899550272837E-12 -1.913388812747064E-12 3.562854257483726E-12 5.882024378474699E-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 14.3   n/a MPO379201  
diameter diameter 4.180 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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

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