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74670 (1999 RO100)
Classification: Main-belt Asteroid          SPK-ID: 2074670
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354250961718724 5.4429e-08  
a 2.288609860869657 9.2844e-09 au
q 1.978674650361488 1.2264e-07 au
i 10.70294616788705 4.6091e-06 deg
node 238.2695063927062 2.9265e-05 deg
peri 85.45145445713473 3.5511e-05 deg
M 5.653496247947966 1.9592e-05 deg
tp 2458980.640391554472
(2020-May-11.14039155)
6.8811e-05 TDB
period 1264.60843464524
3.46
7.6953e-06
2.107e-08
d
yr
n .2846730973299183 1.7323e-09 deg/d
Q 2.598545071377825 1.0542e-08 au
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      7718 days (21.13 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:50  

Additional Information
 Earth MOID = 1.00102 au 
 Jupiter MOID = 2.70927 au 
 T_jup = 3.565 
[ 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 16.0   n/a MPO432299  

74670 (1999 RO100)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RO100 = 2001 BN80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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