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257945 (2000 YC12)
Classification: Main-belt Asteroid          SPK-ID: 2257945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01357381651633877 4.4349e-08  
a 3.098538004346448 3.0976e-08 au
q 3.056479018006547 1.4104e-07 au
i 9.751451629652623 5.0805e-06 deg
node 70.40822000117319 2.528e-05 deg
peri 166.3337733530061 0.0001883 deg
M 118.7784637709005 0.00018346 deg
tp 2458739.192071240883
(2019-Sep-12.69207124)
0.001018 TDB
period 1992.203357754272
5.45
2.9874e-05
8.179e-08
d
yr
n .180704443950849 2.7097e-09 deg/d
Q 3.140596990686349 3.1396e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      2000-12-22  
   last obs. used      2020-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58887  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:42:18  

Additional Information
 Earth MOID = 2.04381 au 
 Jupiter MOID = 1.85729 au 
 T_jup = 3.200 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457522.5 (2016-May-14.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009845810158845062 4.4391e-08  
q 3.068893967920435 1.4187e-07 au
tp 2456809.739441057356
(2014-Jun-01.23944106)
0.0014248 TDB
node 70.56688220761178 2.5176e-05 deg
peri 177.9267623828138 0.00025948 deg
i 9.772064574517364 5.0903e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      2000-12-22  
   last obs. used      2020-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58887  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:42:18  

Additional Information
 Jupiter MOID = 1.85729 au 
 T_jup = 3.200 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.970542219010428E-15 -6.154280936029287E-15 -4.18450738470086E-12 -1.30317701358949E-15 -7.462842243626627E-13 -1.990499893608874E-15
q -6.154280936029287E-15 2.012575256914442E-14 -7.909718314027375E-13 3.801363755821857E-15 -1.311281931489314E-13 7.772194831502697E-15
tp -4.18450738470086E-12 -7.909718314027375E-13 2.030027546442339E-6 2.062597476838963E-10 3.67972405671193E-7 -3.871748113455426E-12
node -1.30317701358949E-15 3.801363755821857E-15 2.062597476838963E-10 6.338489707839995E-10 -5.869823042204091E-10 -1.189673831867852E-11
peri -7.462842243626627E-13 -1.311281931489314E-13 3.67972405671193E-7 -5.869823042204091E-10 6.732966363708083E-8 1.113480388840643E-11
i -1.990499893608874E-15 7.772194831502697E-15 -3.871748113455426E-12 -1.189673831867852E-11 1.113480388840643E-11 2.591070162452627E-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 15.26   n/a E2021B55  

257945 (2000 YC12)          Discovered 2000-Dec-22 by Kusnirak, P. at Ondrejov
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

[ show close-approach data ]
Alternate Designations
 2000 YC12 = 2005 UR479 = 2008 GY87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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