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190661 (2000 YT84)
Classification: Main-belt Asteroid          SPK-ID: 2190661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721696615724739 4.2775e-08  
a 2.694802270687462 1.97e-08 au
q 2.230839075738468 1.1865e-07 au
i 2.937294934499053 4.7444e-06 deg
node 133.196473161258 0.00011561 deg
peri 309.0065103040611 0.00011709 deg
M 194.1135380690693 2.0489e-05 deg
tp 2459945.055759646879
(2022-Dec-31.55575965)
9.7164e-05 TDB
period 1615.804390261086
4.42
1.7719e-05
4.851e-08
d
yr
n .2227992461029459 2.4432e-09 deg/d
Q 3.158765465636457 2.3092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      9125 days (24.98 yr)  
   first obs. used      1995-07-25  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53573  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:36  

Additional Information
 Earth MOID = 1.24783 au 
 Jupiter MOID = 2.07711 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457460.5 (2016-Mar-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736691016837679 4.2724e-08  
q 2.225001842636543 1.1844e-07 au
tp 2456716.784649683556
(2014-Feb-28.28464968)
7.8056e-05 TDB
node 133.2194155732321 0.0001157 deg
peri 309.1795050903511 0.00011716 deg
i 2.936913921313394 4.7442e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      9125 days (24.98 yr)  
   first obs. used      1995-07-25  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53573  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:36  

Additional Information
 Jupiter MOID = 2.07711 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.825381275821924E-15 -5.012705737561757E-15 -8.670223341986345E-13 5.26476270226626E-15 -2.303288945667524E-13 -5.147244884559342E-17
q -5.012705737561757E-15 1.402747188662363E-14 2.765086722993482E-12 -1.789381339443919E-14 7.458448958453822E-13 3.904517353303291E-16
tp -8.670223341986345E-13 2.765086722993482E-12 6.092792133971331E-9 -4.775938204471212E-11 1.482146967737878E-9 5.500561773836033E-13
node 5.26476270226626E-15 -1.789381339443919E-14 -4.775938204471212E-11 1.338643171630831E-8 -1.337946559744456E-8 1.005959581342814E-10
peri -2.303288945667524E-13 7.458448958453822E-13 1.482146967737878E-9 -1.337946559744456E-8 1.372601276332621E-8 -1.003177158681789E-10
i -5.147244884559342E-17 3.904517353303291E-16 5.500561773836033E-13 1.005959581342814E-10 -1.003177158681789E-10 2.250765442224277E-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 16.27   n/a E2021B55  
diameter diameter 3.635 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190661 (2000 YT84)          Discovered 2000-Dec-30 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2000 YT84 = 2002 HR7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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