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JPL Small-Body Database Browser
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27950 (1997 OF1)
Classification: Main-belt Asteroid          SPK-ID: 2027950
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109897025311385 4.265e-08  
a 2.40275295732783 8.9836e-09 au
q 1.895796825605418 1.033e-07 au
i 1.589746020513923 3.5951e-06 deg
node 294.8172128086314 0.00016833 deg
peri 67.80007287712232 0.00016854 deg
M 272.1640081962314 9.0627e-06 deg
tp 2458932.419002227374
(2020-Mar-23.91900223)
3.5316e-05 TDB
period 1360.385854910194
3.72
7.6295e-06
2.089e-08
d
yr
n .2646308021364757 1.4841e-09 deg/d
Q 2.909709089050242 1.0879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      9534 days (26.10 yr)  
   first obs. used      1992-03-26  
   last obs. used      2018-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53014  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:06:24  

Additional Information
 Earth MOID = .893039 au 
 Jupiter MOID = 2.54908 au 
 T_jup = 3.494 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a PDS3 (MPO 15209)  
rotation period rot_per 5.804 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

27950 (1997 OF1)          Discovered 1997-Jul-30 by Viscome, G. R. at Rand
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 OF1 = 1994 WZ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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