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216494 (2000 AH51)
Classification: Main-belt Asteroid          SPK-ID: 2216494
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637324983320012 5.506e-08  
a 3.041122455127701 2.2295e-08 au
q 2.543191877816093 1.7716e-07 au
i 21.57826576307508 4.5892e-06 deg
node 242.8847333134515 1.5594e-05 deg
peri 167.0943509668669 2.6337e-05 deg
M 17.20881754824171 1.8495e-05 deg
tp 2459303.902807733166
(2021-Mar-30.40280773)
9.9446e-05 TDB
period 1937.087723930594
5.30
2.1301e-05
5.832e-08
d
yr
n .1858459973457035 2.0437e-09 deg/d
Q 3.539053032439308 2.5945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1031  
   data-arc span      7791 days (21.33 yr)  
   first obs. used      1999-10-14  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:33:48  

Additional Information
 Earth MOID = 1.55798 au 
 Jupiter MOID = 1.84127 au 
 T_jup = 3.114 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458267.5 (2018-May-29.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637972031522324 5.6075e-08  
q 2.547945912001493 1.8031e-07 au
tp 2457352.890094009617
(2015-Nov-26.39009401)
9.8069e-05 TDB
node 242.9400837571085 1.5569e-05 deg
peri 165.5095747733792 2.6186e-05 deg
i 21.58479441528835 4.6185e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1031  
   data-arc span      7791 days (21.33 yr)  
   first obs. used      1999-10-14  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:33:48  

Additional Information
 Jupiter MOID = 1.84127 au 
 T_jup = 3.114 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.144356773311231E-15 -1.007081527620854E-14 -2.049380680049483E-12 2.548285048294383E-14 -3.936709072452862E-13 -3.553541508163564E-14
q -1.007081527620854E-14 3.251318705405445E-14 6.229234115566311E-12 -8.214298023261801E-14 1.220171591346473E-12 1.138172201341138E-13
tp -2.049380680049483E-12 6.229234115566311E-12 9.617463673660184E-9 -1.34976889019561E-11 2.108334737021807E-9 4.815011691249843E-11
node 2.548285048294383E-14 -8.214298023261801E-14 -1.34976889019561E-11 2.423975265136199E-10 -2.278864466262894E-10 -4.348874584352557E-11
peri -3.936709072452862E-13 1.220171591346473E-12 2.108334737021807E-9 -2.278864466262894E-10 6.85687019885974E-10 5.045121618509115E-11
i -3.553541508163564E-14 1.138172201341138E-13 4.815011691249843E-11 -4.348874584352557E-11 5.045121618509115E-11 2.133059343246988E-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 14.51   n/a E2021B55  
diameter diameter 9.036 km 2.808 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.045   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

216494 (2000 AH51)          Discovered 2000-Jan-04 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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