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12265 (1990 FG)
Classification: Inner Main-belt Asteroid          SPK-ID: 2012265
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03040802587067682 8.9097e-09  
a 1.910952614023549 4.2087e-09 au
q 1.852844317498684 1.5994e-08 au
i 25.73640907562267 7.4988e-07 deg
node 356.9424245557006 2.35e-06 deg
peri 2.633695441656548 3.2495e-05 deg
M 125.9953635342322 3.1251e-05 deg
tp 2459058.804427249021
(2020-Jul-28.30442725)
8.3846e-05 TDB
period 964.8799985986975
2.64
3.1876e-06
8.727e-09
d
yr
n .3731033916371266 1.2326e-09 deg/d
Q 1.969060910548415 4.3367e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2447  
   data-arc span      14344 days (39.27 yr)  
   first obs. used      1982-02-20  
   last obs. used      2021-05-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:56:31  

Additional Information
 Earth MOID = .848147 au 
 Jupiter MOID = 3.10859 au 
 T_jup = 3.814 
[ 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 13.99   n/a MPO614063  
rotation period rot_per 56.6 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2011) Minor Planet Bull. 38, 142-149.]

12265 (1990 FG)          Discovered 1990-Mar-23 by Helin, E. F. at Palomar
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 FG = 1982 DO4 = 1996 RV5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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