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15283 (1991 RB8)
Classification: Main-belt Asteroid          SPK-ID: 2015283
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 .1213687565071374 1.794e-08  
a 2.23966740151849 6.2617e-09 au
q 1.96784175400662 3.9626e-08 au
i 5.300980698583576 3.0827e-07 deg
node 37.33471227698898 9.9983e-06 deg
peri 59.02731092166062 1.242e-05 deg
M 245.548571113598 6.416e-06 deg
tp 2459785.717571404576
(2022-Jul-25.21757140)
2.2395e-05 TDB
period 1224.260169304839
3.35
5.1342e-06
1.406e-08
d
yr
n .2940551436909163 1.2332e-09 deg/d
Q 2.511493049030361 7.0217e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2310  
   data-arc span      25410 days (69.57 yr)  
   first obs. used      1951-12-01  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:47:29  

Additional Information
 Earth MOID = .990726 au 
 Jupiter MOID = 2.63622 au 
 T_jup = 3.620 
[ 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 14.16   n/a E2021B10  
diameter diameter 3.488 km 0.308 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.438   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15283 (1991 RB8)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RB8 = 1969 AJ = 1998 XM66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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