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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205678693452172 5.719e-08  
a 2.251760378598967 1.0548e-08 au
q 1.98027042747531 1.2943e-07 au
i 3.627447156581636 5.8412e-06 deg
node 6.166416191089281 7.5886e-05 deg
peri 352.4071211314006 7.816e-05 deg
M 92.00626578059533 2.1293e-05 deg
tp 2457085.074652397453
(2015-Mar-03.57465240)
7.2138e-05 JED
period 1234.189043251727
3.38
8.6719e-06
2.374e-08
d
yr
n .2916895122091712 2.0495e-09 deg/d
Q 2.523250329722624 1.182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1062  
   data-arc span      8810 days (24.12 yr)  
   first obs. used      1991-11-04  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52049  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:04:50  

Additional Information
 Earth MOID = .974602 au 
 Jupiter MOID = 2.88933 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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