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277170 (2005 NJ101)
Classification: Main-belt Asteroid          SPK-ID: 2277170
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .100645538434833 4.8376e-08  
a 2.164019927215693 1.5525e-08 au
q 1.946220976457361 1.1346e-07 au
i 5.16222001979103 5.6905e-06 deg
node 145.5170067192291 4.369e-05 deg
peri 89.3134896814434 5.8514e-05 deg
M 298.9049933249493 4.3409e-05 deg
tp 2459197.830186400436
(2020-Dec-14.33018640)
0.00014182 TDB
period 1162.760607949439
3.18
1.2513e-05
3.426e-08
d
yr
n .3096080117771361 3.3317e-09 deg/d
Q 2.381818877974025 1.7087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      6976 days (19.10 yr)  
   first obs. used      2001-02-16  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:20:18  

Additional Information
 Earth MOID = .943157 au 
 Jupiter MOID = 2.61384 au 
 T_jup = 3.683 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457555.5 (2016-Jun-16.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010561814165633 4.8305e-08  
q 1.94511574079131 1.1327e-07 au
tp 2458035.065635088496
(2017-Oct-08.56563509)
0.00013226 TDB
node 145.5439245222619 4.3684e-05 deg
peri 89.34633523385385 5.8466e-05 deg
i 5.162728175585602 5.6916e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      6976 days (19.10 yr)  
   first obs. used      2001-02-16  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:20:18  

Additional Information
 Jupiter MOID = 2.61384 au 
 T_jup = 3.683 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.333404441535389E-15 -5.444694147098699E-15 -3.767035244002336E-12 7.524226491061226E-15 -1.0413557616666E-12 -6.531738347670057E-15
q -5.444694147098699E-15 1.283087849586826E-14 9.476984644981172E-12 -1.692996630541065E-14 2.625851264930001E-12 1.599767112036232E-14
tp -3.767035244002336E-12 9.476984644981172E-12 1.749309630672847E-8 -2.800275120086289E-12 5.141703338342446E-9 2.057002571118582E-11
node 7.524226491061226E-15 -1.692996630541065E-14 -2.800275120086289E-12 1.908324332419027E-9 -1.900545460744339E-9 5.315627433439662E-11
peri -1.0413557616666E-12 2.625851264930001E-12 5.141703338342446E-9 -1.900545460744339E-9 3.418271145684748E-9 -4.702849604595153E-11
i -6.531738347670057E-15 1.599767112036232E-14 2.057002571118582E-11 5.315627433439662E-11 -4.702849604595153E-11 3.239462305167917E-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 17.5   n/a MPO455057  

277170 (2005 NJ101)          Discovered 2005-Jul-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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