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277301 (2005 SZ140)
Classification: Main-belt Asteroid          SPK-ID: 2277301
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04385024456333503 7.1274e-08  
a 2.387010909214319 1.7636e-08 au
q 2.282339897069922 1.6775e-07 au
i 6.549631569717059 9.1189e-06 deg
node 174.9983622206685 4.5025e-05 deg
peri 310.2142529749325 0.00010278 deg
M 242.8315883245358 8.9134e-05 deg
tp 2459438.917695158528
(2021-Aug-12.41769516)
0.0003326 TDB
period 1347.038574647851
3.69
1.4929e-05
4.087e-08
d
yr
n .2672529256217572 2.9619e-09 deg/d
Q 2.491681921358716 1.841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      4561 days (12.49 yr)  
   first obs. used      2005-09-25  
   last obs. used      2018-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:46:22  

Additional Information
 Earth MOID = 1.30245 au 
 Jupiter MOID = 2.51457 au 
 T_jup = 3.524 
[ show covariance matrix ]

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 17.2   n/a MPO437262  

277301 (2005 SZ140)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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