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15694 (1985 RR3)
Classification: Main-belt Asteroid          SPK-ID: 2015694
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09712147416945101 1.833e-08  
a 2.999439053841316 1.3427e-08 au
q 2.708129111250825 5.7864e-08 au
i 10.96402086816572 6.2969e-07 deg
node 169.9655664189882 5.0261e-06 deg
peri 149.6700400677871 1.0916e-05 deg
M 306.2775136298579 8.2867e-06 deg
tp 2459483.647083908235
(2021-Sep-26.14708391)
4.3726e-05 TDB
period 1897.398223616412
5.19
1.274e-05
3.488e-08
d
yr
n .1897334969112839 1.274e-09 deg/d
Q 3.290748996431808 1.4731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2241  
   data-arc span      12757 days (34.93 yr)  
   first obs. used      1985-09-07  
   last obs. used      2020-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:05:51  

Additional Information
 Earth MOID = 1.70051 au 
 Jupiter MOID = 2.09881 au 
 T_jup = 3.218 
[ 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 13.00   n/a E2021B10  
diameter diameter 7.995 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 137.748 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.159   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15694 (1985 RR3)          Discovered 1985-Sep-07 by Debehogne, H. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1985 RR3 = 1988 CH6 = 1994 GU10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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