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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1207656368017037 6.5343e-08  
a 2.252086843976451 1.2008e-08 AU
q 1.980112142130896 1.5023e-07 AU
i 3.62732492399477 6.6298e-06 deg
node 6.167194218319948 7.656e-05 deg
peri 352.4170510461892 7.8814e-05 deg
M 335.3210651197451 2.1219e-05 deg
tp 2457085.125264379889
(2015-Mar-03.62526438)
7.3029e-05 JED
period 1234.457456311639
3.38
9.8734e-06
2.703e-08
d
yr
n .2916260889829466 2.3325e-09 deg/d
Q 2.524061545822006 1.3459e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      8277 days (22.66 yr)  
   first obs. used      1991-11-04  
   last obs. used      2014-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5352  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:57:43  

Additional Information
 Earth MOID = .976549 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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