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5485 Kaula (1991 RQ21)
Classification: Main-belt Asteroid          SPK-ID: 2005485
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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141655507057534 1.2081e-08  
a 2.734637432693385 9.0069e-09 au
q 2.422436044209377 3.2447e-08 au
i 3.295420799741431 5.9598e-07 deg
node 50.923003633131 1.4145e-05 deg
peri 65.54845442063558 1.8854e-05 deg
M 91.32261906604107 9.2314e-06 deg
tp 2458977.490455479248
(2020-May-07.99045548)
4.2054e-05 TDB
period 1651.764235083823
4.52
8.1604e-06
2.234e-08
d
yr
n .2179487800701357 1.0768e-09 deg/d
Q 3.046838821177394 1.0035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2749  
   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      .47275  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:55:52  

Additional Information
 Earth MOID = 1.44144 au 
 Jupiter MOID = 2.03505 au 
 T_jup = 3.341 
[ 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 13.22   n/a MPCxxxxx  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5485 Kaula (1991 RQ21)          Discovered 1991-Sep-11 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1991 RQ21 = 1976 JM6 = 1980 DG5 = 1989 EA2 = 2081 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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