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30699 (2356 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2030699
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08278518949554951 2.9144e-08  
a 2.278944774003271 6.5298e-09 au
q 2.090281899037518 6.5784e-08 au
i 2.246429985134225 3.1527e-06 deg
node 223.0737674267069 7.9878e-05 deg
peri 273.0077045895512 8.2539e-05 deg
M 148.5472405328214 1.9692e-05 deg
tp 2458877.985129330782
(2020-Jan-29.48512933)
6.8792e-05 TDB
period 1256.60599800691
3.44
5.4008e-06
1.479e-08
d
yr
n .2864859793531085 1.2313e-09 deg/d
Q 2.467607648969024 7.0703e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1890  
   data-arc span      15970 days (43.72 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 06:45:29  

Additional Information
 Earth MOID = 1.10604 au 
 Jupiter MOID = 2.54562 au 
 T_jup = 3.601 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457435.5 (2016-Feb-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08291753602036288 2.9271e-08  
q 2.089437667243792 6.6172e-08 au
tp 2457623.182722635802
(2016-Aug-22.68272264)
6.8941e-05 TDB
node 223.1173694216705 7.993e-05 deg
peri 273.3691882639059 8.256e-05 deg
i 2.245442615092866 3.1526e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1890  
   data-arc span      15970 days (43.72 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 06:45:29  

Additional Information
 Jupiter MOID = 2.54562 au 
 T_jup = 3.601 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.567985963980731E-16 -1.928929016577551E-15 3.513128771267469E-13 2.154197832217362E-15 1.103893545745404E-13 -6.435165170642742E-16
q -1.928929016577551E-15 4.378748872472949E-15 -8.612950431952373E-13 -4.59782879266383E-15 -2.712908173911271E-13 1.45862442835995E-15
tp 3.513128771267469E-13 -8.612950431952373E-13 4.752825205022449E-9 -2.675695020536506E-12 1.433278887514685E-9 -1.057700189711051E-13
node 2.154197832217362E-15 -4.59782879266383E-15 -2.675695020536506E-12 6.388866877306515E-9 -6.384570105826527E-9 -3.534417232272222E-11
peri 1.103893545745404E-13 -2.712908173911271E-13 1.433278887514685E-9 -6.384570105826527E-9 6.816195535546372E-9 3.528428480310189E-11
i -6.435165170642742E-16 1.45862442835995E-15 -1.057700189711051E-13 -3.534417232272222E-11 3.528428480310189E-11 9.938796151726597E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.94   n/a E2021B10  
diameter diameter 2.489 km 0.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.312   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30699 (2356 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2356 T-3 = 1998 XS78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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