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JPL Small-Body Database Browser
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74590 (1999 OG2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2074590
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1180180001779582 4.293e-08  
a 1.935727835601315 6.0311e-09 au
q 1.707277107554841 8.1193e-08 au
i 22.31148451245055 5.4548e-06 deg
node 184.926400522469 1.0037e-05 deg
peri 122.9768466885629 2.3351e-05 deg
M 147.6033251677821 2.326e-05 deg
tp 2458197.171872416588
(2018-Mar-19.67187242)
6.2766e-05 TDB
period 983.7049793084284
2.69
4.5973e-06
1.259e-08
d
yr
n .3659633808635287 1.7103e-09 deg/d
Q 2.16417856364779 6.7429e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1397  
   data-arc span      7443 days (20.38 yr)  
   first obs. used      1999-07-22  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:26:55  

Additional Information
 Earth MOID = .756384 au 
 Jupiter MOID = 3.11436 au 
 T_jup = 3.809 
[ 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 14.7   n/a MPO400702  
rotation period rot_per 33.409 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2008) Minor Planet Bull. 35, 56-60.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Stephens, R.D. (2016) Minor Planet Bull. 43, 52-56.]

74590 (1999 OG2)          Discovered 1999-Jul-22 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 OG2 = 2001 BG66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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