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20730 Jorgecarvano (1999 XC151)
Classification: Main-belt Asteroid          SPK-ID: 2020730
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2503102487765992 3.9496e-08  
a 2.532207975627429 9.7651e-09 au
q 1.898370367294038 1.007e-07 au
i 9.215584239299684 6.4205e-06 deg
node 137.6959496038375 4.5287e-05 deg
peri 124.3806725014819 5.3097e-05 deg
M 137.648939093276 2.7929e-05 deg
tp 2458437.746955650236
(2018-Nov-15.24695565)
0.00011306 TDB
period 1471.795549609226
4.03
8.5137e-06
2.331e-08
d
yr
n .2445991904891837 1.4149e-09 deg/d
Q 3.166045583960819 1.2209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1725  
   data-arc span      14034 days (38.42 yr)  
   first obs. used      1982-05-22  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:01:02  

Additional Information
 Earth MOID = .900479 au 
 Jupiter MOID = 1.99261 au 
 T_jup = 3.388 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456853.5 (2014-Jul-15.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2498803345377518 3.9305e-08  
q 1.899382855541669 1e-07 au
tp 2456966.685130178357
(2014-Nov-05.18513018)
0.00011124 TDB
node 137.7362267679212 4.5289e-05 deg
peri 124.4744072075377 5.3165e-05 deg
i 9.215044227743112 6.4234e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1725  
   data-arc span      14034 days (38.42 yr)  
   first obs. used      1982-05-22  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:01:02  

Additional Information
 Jupiter MOID = 1.99261 au 
 T_jup = 3.388 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.544886444180761E-15 -3.920053872638937E-15 -3.174279100243224E-12 2.769759516088265E-14 -8.151966258793848E-13 4.289908375972157E-15
q -3.920053872638937E-15 1.000010505421998E-14 8.219780419164411E-12 -5.98720845699072E-14 2.096502300064997E-12 -9.380865731008985E-15
tp -3.174279100243224E-12 8.219780419164411E-12 1.23738874883256E-8 -1.24388499212683E-10 3.194148382237282E-9 -1.782671136853527E-11
node 2.769759516088265E-14 -5.98720845699072E-14 -1.24388499212683E-10 2.051133496920421E-9 -2.053432569406694E-9 2.32159388983642E-10
peri -8.151966258793848E-13 2.096502300064997E-12 3.194148382237282E-9 -2.053432569406694E-9 2.826563599377396E-9 -2.333654804299967E-10
i 4.289908375972157E-15 -9.380865731008985E-15 -1.782671136853527E-11 2.32159388983642E-10 -2.333654804299967E-10 4.126038268529074E-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 13.8   n/a MPO449104  
diameter diameter 4.759 km 0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.537 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.312   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20730 Jorgecarvano           Discovered 1999 Dec. 9 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Jorge Carvano (b. 1971) is a planetary scientist working at Rio de Janeiro National Observatory. He studies small bodies and planetary satellites and is an expert on thermal modeling.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080718/MPCPages.arcLast Updated: 2008-07-18

[ show close-approach data ]
Alternate Designations
 1999 XC151 = 1982 KV1 = 1998 HL106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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