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277308 (2005 SF169)
Classification: Main-belt Asteroid          SPK-ID: 2277308
[ 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .198080565850213 6.6103e-08  
a 2.610893411649162 1.7469e-08 au
q 2.093726167295103 1.7246e-07 au
i 3.234274436542605 7.5973e-06 deg
node 265.4909255781137 0.00010727 deg
peri 171.135103323152 0.00010958 deg
M 123.8733411353024 1.7707e-05 deg
tp 2458470.278308030016
(2018-Dec-17.77830803)		 7.5454e-05 TDB
period 1540.927267802546
4.22		 1.5465e-05
4.234e-08		 d
yr
n .2336255626869277 2.3448e-09 deg/d
Q 3.128060656003221 2.093e-08 au
   Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      6742 days (18.46 yr)  
   first obs. used      2001-11-10  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48381  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:25:50  

Additional Information
 Earth MOID = 1.10913 au 
 Jupiter MOID = 2.13786 au 
 T_jup = 3.379 
[ 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 17.5   n/a MPO418474  

277308 (2005 SF169)          Discovered 2005-Sep-29 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2051-May-13 05:05 00:04 Hygie 0.0321850068208891 0.0321769829916411 0.0321930515589584 4.45705531064727 4.4570550413073 2470304.711466293 3.8405111426696 1454.90107491209 153.580458089719 75.2134713693294 30279.3709079446 T 10 CATAB v2.0f-lin.ifort 2020-May-21 16:26:06 2020-May-21 16:26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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