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JPL Small-Body Database Browser
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15849 Billharper (1995 YM10)
Classification: Main-belt Asteroid          SPK-ID: 2015849
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07098760164254604 3.7805e-08  
a 2.951844778632011 1.7089e-08 au
q 2.742300397375852 1.0677e-07 au
i 2.379409269485272 5.4164e-06 deg
node 162.8203930528544 0.00010966 deg
peri 102.6720156408402 0.0001177 deg
M 148.9228682232953 4.3941e-05 deg
tp 2458234.202174769913
(2018-Apr-25.70217477)
0.00022538 TDB
period 1852.416760260052
5.07
1.6086e-05
4.404e-08
d
yr
n .1943407162594779 1.6877e-09 deg/d
Q 3.16138915988817 1.8302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1143  
   data-arc span      15102 days (41.35 yr)  
   first obs. used      1978-09-02  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54065  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:56:49  

Additional Information
 Earth MOID = 1.72773 au 
 Jupiter MOID = 1.88534 au 
 T_jup = 3.264 
[ 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 14.3   n/a MPO309277  

15849 Billharper           Discovered 1995 Dec. 18 by Spacewatch at Kitt Peak.
William Leonard Harper (b. 1943) specializes in the philosophy of science. He earned a Ph.D. at the University of Rochester and has been in the department of philosophy at the University of Western Ontario since 1970. The name was suggested by R. Jedicke and P. Jedicke.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050523/MPCPages.arcLast Updated: 2005-07-21

[ 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
1928-Sep-16 08:28 00:02 Jupiter 1.8998285989466 1.89982808653821 1.89982911135509 3.06344572759639 2.91427806463512 2425505.852588447 2.29329301337872 116.200445886239 15.3879045228739 -88.4923595490146 2592295.84780036 T 25 CATAB v2.0f-lin.ifort 2020-Jan-28 23:57:05 2020-Jan-28 23:57
1964-Mar-06 00:47 00:01 Jupiter 1.91149050396282 1.9114900009853 1.91149100694033 3.13179749368332 2.98695707469557 2438460.532912093 1.34198779628451 74.396395654924 16.2215404080214 -88.6670020900075 2581836.68971328 T 25 CATAB v2.0f-lin.ifort 2020-Jan-28 23:57:05 2020-Jan-28 23:57
1999-Aug-20 01:23 < 00:01 Jupiter 1.92346770613174 1.9234672014135 1.92346821084987 3.20779416934644 3.06744502574867 2451410.557394302 0.419858945280096 36.9833763359051 17.0758917014034 89.4094879164058 2569876.52932241 T 25 CATAB v2.0f-lin.ifort 2020-Jan-28 23:57:05 2020-Jan-28 23:57
2035-Feb-02 08:44 < 00:01 Jupiter 1.94162032587228 1.94161978200576 1.94162086973881 3.30348639767694 3.16867985321349 2464360.863690057 0.550165615891251 40.0470872667837 18.2532604889972 -80.6932674391133 2553385.85088087 T 25 CATAB v2.0f-lin.ifort 2020-Jan-28 23:57:05 2020-Jan-28 23:57
2070-Jul-15 08:14 00:01 Jupiter 1.95649284818993 1.95649219336703 1.95649350301328 3.39699787672826 3.26706849491067 2477307.843271903 1.45400015356096 82.5819274283355 18.7290008878684 -79.343222253181 2589114.12249443 T 25 CATAB v2.0f-lin.ifort 2020-Jan-28 23:57:05 2020-Jan-28 23:57
2105-Dec-24 17:03 00:02 Jupiter 1.98481154032537 1.9848106954148 1.98481238523774 3.52926243951311 3.40619863541631 2490253.210613652 2.34010484792759 130.084130459713 19.3352367459076 -78.3147327070686 2657892.96670095 T 25 CATAB v2.0f-lin.ifort 2020-Jan-28 23:57:05 2020-Jan-28 23:57

Alternate Designations
 1995 YM10 = 1978 RR9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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