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15505 (1999 RF56)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015505
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172340712254198 1.9692e-08  
a 3.950125084478431 2.723e-08 au
q 3.487035838975369 8.597e-08 au
i 7.980950529818569 1.1568e-06 deg
node 1.488346950180308 8.8108e-06 deg
peri 215.4272549258018 1.3202e-05 deg
M 19.86493436203401 9.28e-06 deg
tp 2459238.266172691009
(2021-Jan-23.76617269)
7.336e-05 TDB
period 2867.574430052344
7.85
2.9651e-05
8.118e-08
d
yr
n .1255416411260958 1.2981e-09 deg/d
Q 4.413214329981494 3.0422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2533  
   data-arc span      11813 days (32.34 yr)  
   first obs. used      1989-04-06  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44676  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 21:27:29  

Additional Information
 Earth MOID = 2.48548 au 
 Jupiter MOID = .634035 au 
 T_jup = 3.031 
[ 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 11.59   n/a MPO614063  
diameter diameter 24.788 km 0.344 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 15.11 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:
[Warner, B.D.; Stephens, R.D.; Coley, D.R. (2017) Minor Planet Bull. 44, 130-137.]
geometric albedo albedo 0.079   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

15505 (1999 RF56)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1912-Sep-15 10:49 00:01 Jupiter 1.90811395531655 1.90811337024897 1.90811454038412 4.00174529542112 3.88923567896412 2419660.950423991 1.15541477504316 26.092761853303 13.5311367584776 -12.0286549803279 3580331.70995042 T 40 CATAB v2.0g-lin.ifort 2021-Aug-24 21:28:24 2021-Aug-24 21:28
1981-Jun-27 07:28 00:01 Jupiter 1.98253067236755 1.98253028548938 1.98253105924573 4.78948044815947 4.69942941247387 2444782.811165141 1.01493395901944 20.6793469915219 14.1060297844741 -39.418381983641 6876654.24758898 T 40 CATAB v2.0g-lin.ifort 2021-Aug-24 21:28:24 2021-Aug-24 21:28
2004-Jul-09 14:07 < 00:01 Jupiter 1.8504867315521 1.85048633619561 1.85048712690858 4.41361422029982 4.30865771780474 2453196.088349662 0.466955611997887 18.3044749138906 13.5318260919248 -3.95397613094861 5732468.39892575 T 40 CATAB v2.0g-lin.ifort 2021-Aug-24 21:28:24 2021-Aug-24 21:28
2027-Dec-06 02:26 < 00:01 Jupiter 1.757485655481 1.75748533514291 1.75748597581908 4.1352233100726 4.01698508926713 2461745.601551251 0.464180762374349 14.6551635583381 13.3365599940546 17.8469001430663 6638406.28763467 T 40 CATAB v2.0g-lin.ifort 2021-Aug-24 21:28:24 2021-Aug-24 21:28
2051-Oct-27 17:54 00:01 Jupiter 1.7533649906713 1.75336456543032 1.75336541591228 4.1705882682227 4.05310233941666 2470472.246056726 1.12956509187404 21.264170437461 13.9550848603071 -33.1413841795844 5142250.7775185 T 40 CATAB v2.0g-lin.ifort 2021-Aug-24 21:28:24 2021-Aug-24 21:28
2076-Feb-06 07:22 00:01 Jupiter 1.8119242290816 1.81192381252208 1.81192464564112 4.33113151463417 4.22181923670517 2479339.807062084 1.42280661133504 26.8602266934934 14.1209434168816 -54.0069292835361 6396606.55959336 T 40 CATAB v2.0g-lin.ifort 2021-Aug-24 21:28:24 2021-Aug-24 21:28
2100-Jul-15 11:57 00:01 Jupiter 1.8410898268753 1.84108949975769 1.84109015399291 4.2478362918338 4.13811327915296 2488264.997716054 1.3518887596053 22.2674688228861 14.3707888019651 -71.9243651227146 7000920.97944551 T 40 CATAB v2.0g-lin.ifort 2021-Aug-24 21:28:24 2021-Aug-24 21:28
2124-Nov-22 09:27 < 00:01 Jupiter 1.83099839668572 1.83099808635617 1.83099870701528 3.94692750343822 3.82792813669715 2497160.893448241 0.957867832710577 18.4720100753416 13.856823983777 86.7604379066222 6033125.31988334 T 40 CATAB v2.0g-lin.ifort 2021-Aug-24 21:28:24 2021-Aug-24 21:28
2148-Dec-02 03:02 < 00:01 Jupiter 1.82039805377774 1.82039767105909 1.8203984364964 3.73987498827706 3.61331904070304 2505936.626455751 0.521622019649068 17.7945739680915 16.258675024567 -70.470929675353 4928577.6696796 T 40 CATAB v2.0g-lin.ifort 2021-Aug-24 21:28:24 2021-Aug-24 21:28
2172-May-29 20:31 < 00:01 Jupiter 1.88942074684419 1.88942026322284 1.88942123046554 4.04769990011484 3.93538810952096 2514516.354816789 0.85199936117798 20.9095526985988 17.2835534441093 -6.3139309148589 3581740.62447975 T 40 CATAB v2.0g-lin.ifort 2021-Aug-24 21:28:24 2021-Aug-24 21:28
2195-Jun-26 21:41 00:01 Jupiter 1.98989765646131 1.98989729098918 1.98989802193345 4.66196367607511 4.56974645125792 2522944.403641098 1.09732751326518 20.865432211822 15.7311027772623 69.1226727636518 4984213.52732434 T 40 CATAB v2.0g-lin.ifort 2021-Aug-24 21:28:24 2021-Aug-24 21:28

Alternate Designations
 1999 RF56 = 1989 GG5 = 1997 EV46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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