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JPL Small-Body Database Browser
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423657 (2005 YK77)
Classification: Main-belt Asteroid          SPK-ID: 2423657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .008422412826455228 6.6661e-08  
a 2.700346304571841 3.5991e-08 au
q 2.677602873220344 1.722e-07 au
i 6.527703390342197 6.6434e-06 deg
node 93.7219215960973 7.051e-05 deg
peri 59.79173268256871 0.0004619 deg
M 41.33444546871805 0.00045624 deg
tp 2458814.403914828101
(2019-Nov-26.90391483)
0.0020538 TDB
period 1620.793260976134
4.44
3.2404e-05
8.872e-08
d
yr
n .2221134605305475 4.4406e-09 deg/d
Q 2.723089735923337 3.6294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      5155 days (14.11 yr)  
   first obs. used      2005-12-24  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 08:06:18  

Additional Information
 Earth MOID = 1.68966 au 
 Jupiter MOID = 2.26088 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457368.5 (2015-Dec-12.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009653713618330366 6.7068e-08  
q 2.675312015211051 1.7385e-07 au
tp 2457200.063580457263
(2015-Jun-26.56358046)
0.0017789 TDB
node 93.74298739775938 7.0514e-05 deg
peri 61.35286691565098 0.00040183 deg
i 6.527023899870257 6.6423e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      5155 days (14.11 yr)  
   first obs. used      2005-12-24  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 08:06:18  

Additional Information
 Jupiter MOID = 2.26088 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.49809676409916E-15 -1.143657969819748E-14 2.852777481244533E-11 -1.007061618632672E-14 6.391596193542445E-12 4.385939330545194E-15
q -1.143657969819748E-14 3.022346394758162E-14 -7.433290895740562E-11 2.571472728295946E-14 -1.663896313261299E-11 -1.017755273774098E-14
tp 2.852777481244533E-11 -7.433290895740562E-11 3.164423438720536E-6 -4.50318240532986E-10 7.037994279551728E-7 -1.493069787573947E-11
node -1.007061618632672E-14 2.571472728295946E-14 -4.50318240532986E-10 4.97215821303929E-9 -5.039733833949027E-9 -6.137891526983477E-11
peri 6.391596193542445E-12 -1.663896313261299E-11 7.037994279551728E-7 -5.039733833949027E-9 1.61466304027642E-7 5.787311095147277E-11
i 4.385939330545194E-15 -1.017755273774098E-14 -1.493069787573947E-11 -6.137891526983477E-11 5.787311095147277E-11 4.412054395938185E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO419087  
diameter diameter 2.704 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

423657 (2005 YK77)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

Alternate Designations
 2005 YK77 = 2009 VL48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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