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8599 Riparia (2277 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2008599
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09679536818293588 4.9536e-08  
a 2.714301271015906 1.1938e-08 au
q 2.451569480128511 1.3403e-07 au
i 3.463058039941409 4.7122e-06 deg
node 29.76151020128672 7.031e-05 deg
peri 319.8030238450067 7.2901e-05 deg
M 214.4086580697325 2.1054e-05 deg
tp 2459861.069549780697
(2022-Oct-08.56954978)
9.6947e-05 TDB
period 1633.373487517892
4.47
1.0776e-05
2.95e-08
d
yr
n .2204027448413304 1.4541e-09 deg/d
Q 2.977033061903302 1.3094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1413  
   data-arc span      17352 days (47.51 yr)  
   first obs. used      1973-09-20  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49325  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:00:53  

Additional Information
 Earth MOID = 1.44492 au 
 Jupiter MOID = 2.40492 au 
 T_jup = 3.352 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.35   n/a E2021B10  
diameter diameter 5.425 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.151   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8599 Riparia           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Named for riparia riparia, or sand martin.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990202/MPCPages.arcLast Updated: 2010-06-11

Alternate Designations
 2277 T-2 = 1978 VA10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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