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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203566665581372 5.508e-08  
a 2.252430716003455 1.0155e-08 au
q 1.981335663372121 1.2406e-07 au
i 3.627354522377491 5.5619e-06 deg
node 6.167421444435083 7.519e-05 deg
peri 352.5246584351562 7.7458e-05 deg
M 150.2131319862788 2.1307e-05 deg
tp 2457085.293908607624
(2015-Mar-03.79390861)
7.1693e-05 JED
period 1234.740201796721
3.38
8.3501e-06
2.286e-08
d
yr
n .2915593089754017 1.9717e-09 deg/d
Q 2.523525768634789 1.1377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1125  
   data-arc span      8931 days (24.45 yr)  
   first obs. used      1991-11-04  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51074  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:50:07  

Additional Information
 Earth MOID = .976566 au 
 Jupiter MOID = 2.89028 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 14.6 mag n/a MPO351018  

27770 (1991 VF1)          Discovered 1991-Nov-04 by Ueda, S., Kaneda, H. at Kushiro
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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