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14415 (1991 RQ7)
Classification: Main-belt Asteroid          SPK-ID: 2014415
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2831900789000925 3.8935e-08  
a 2.981383836443979 1.4685e-08 au
q 2.137085512569948 1.1595e-07 au
i 9.708125313787592 4.3167e-06 deg
node 305.1519947075043 2.5961e-05 deg
peri 9.225767158927308 2.7314e-05 deg
M 226.0395542818519 1.1584e-05 deg
tp 2459700.179820991081
(2022-Apr-30.67982099)
6.3537e-05 TDB
period 1880.291859335502
5.15
1.3892e-05
3.803e-08
d
yr
n .1914596386792977 1.4145e-09 deg/d
Q 3.82568216031801 1.8843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1373  
   data-arc span      12255 days (33.55 yr)  
   first obs. used      1986-10-02  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54288  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:00:59  

Additional Information
 Earth MOID = 1.12374 au 
 Jupiter MOID = 1.48671 au 
 T_jup = 3.176 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3   n/a MPO337380  
diameter diameter 7.824 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.200   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14415 (1991 RQ7)          Discovered 1991-Sep-13 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RQ7 = 1986 TN9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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