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27770 (1991 VF1)
Classification: Main-belt Asteroid          SPK-ID: 2027770
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1208177597982741 7.4223e-08  
a 2.252064709572235 1.2287e-08 AU
q 1.979975296440966 1.6969e-07 AU
i 3.627270616534169 7.4023e-06 deg
node 6.171700243809537 7.9192e-05 deg
peri 352.4369511432483 8.1613e-05 deg
M 276.9788748440042 2.1663e-05 deg
tp 2457085.179266870930
(2015-Mar-03.67926687)
7.508e-05 JED
period 1234.439257248893
3.38
1.0102e-05
2.766e-08
d
yr
n .2916303883613571 2.3866e-09 deg/d
Q 2.524154122703503 1.3771e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      7890 days (21.60 yr)  
   first obs. used      1991-11-04  
   last obs. used      2013-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5527  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 21:55:12  

Additional Information
 Earth MOID = .974861 AU 
 T_jup = 3.614 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO263584  

27770 (1991 VF1)          Discovered 1991-Nov-04 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 VF1 = 1998 XO17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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