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227116 (2005 NM64)
Classification: Main-belt Asteroid          SPK-ID: 2227116
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .08512353390754884 3.8677e-08  
a 2.24206340699292 1.0254e-08 au
q 2.051211046544883 8.7942e-08 au
i 3.054555232047115 3.9129e-06 deg
node 201.3183952719348 7.1633e-05 deg
peri 350.7742275885525 7.5487e-05 deg
M 318.0102461166389 2.2478e-05 deg
tp 2459343.524714999706
(2021-May-09.02471500)
7.6321e-05 TDB
period 1226.2252725491
3.36
8.4125e-06
2.303e-08
d
yr
n .293583901799402 2.0141e-09 deg/d
Q 2.432915767440956 1.1127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      373  
   data-arc span      7867 days (21.54 yr)  
   first obs. used      1999-10-03  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:50:28  

Additional Information
 Earth MOID = 1.04988 au 
 Jupiter MOID = 2.52294 au 
 T_jup = 3.627 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457433.5 (2016-Feb-15.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08502227372066798 3.8718e-08  
q 2.051431885421632 8.8049e-08 au
tp 2456892.409403321395
(2014-Aug-22.90940332)
8.2074e-05 TDB
node 201.3347541526265 7.1608e-05 deg
peri 351.0976882265074 7.5466e-05 deg
i 3.054626247566278 3.9143e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      373  
   data-arc span      7867 days (21.54 yr)  
   first obs. used      1999-10-03  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:50:28  

Additional Information
 Jupiter MOID = 2.52294 au 
 T_jup = 3.627 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.499118175040311E-15 -3.389785977495007E-15 -3.844014563438476E-13 7.099756679934929E-15 -1.647179127956792E-13 6.140064876469646E-17
q -3.389785977495007E-15 7.752589913281512E-15 5.275383156488256E-13 -1.708810397589898E-14 2.831154528505623E-13 1.548878837165336E-16
tp -3.844014563438476E-13 5.275383156488256E-13 6.736190881333997E-9 1.373270597957957E-11 1.962993907288068E-9 -3.67230194386702E-12
node 7.099756679934929E-15 -1.708810397589898E-14 1.373270597957957E-11 5.12775167503532E-9 -5.116284784424065E-9 -3.591963985149665E-11
peri -1.647179127956792E-13 2.831154528505623E-13 1.962993907288068E-9 -5.116284784424065E-9 5.695125636169056E-9 3.483658946535983E-11
i 6.140064876469646E-17 1.548878837165336E-16 -3.67230194386702E-12 -3.591963985149665E-11 3.483658946535983E-11 1.532175268705298E-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 17.45   n/a MPCxxxxx  
diameter diameter 2.095 km 0.923 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227116 (2005 NM64)          Discovered 2005-Jul-01 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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