Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
102015 (1999 RK87)
Classification: Main-belt Asteroid          SPK-ID: 2102015
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2241861451907995 5.2714e-08  
a 2.250869496771399 8.3677e-09 au
q 1.746255740962664 1.1761e-07 au
i .6216414295428287 5.6143e-06 deg
node 336.8331737973431 0.00042583 deg
peri 338.5770789289315 0.000426 deg
M 132.182823506252 1.6036e-05 deg
tp 2458747.606149082748
(2019-Sep-21.10614908)
5.3529e-05 TDB
period 1233.456677693824
3.38
6.8781e-06
1.883e-08
d
yr
n .2918627030120644 1.6275e-09 deg/d
Q 2.755483252580134 1.0244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      7822 days (21.42 yr)  
   first obs. used      1999-09-04  
   last obs. used      2021-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57405  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:54  

Additional Information
 Earth MOID = .730598 au 
 Jupiter MOID = 2.53814 au 
 T_jup = 3.594 
[ 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 16.9   n/a MPO436477  

102015 (1999 RK87)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2005-Jan-09 14:19 < 00:01 Amphi 0.0420171664075918 0.0420156988208129 0.0420186340050514 4.35937079997488 4.35937076858986 2453380.096713117 0.434784330023266 86.2982439935484 50.0650833483888 -40.6481545902769 98661.4722723656 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 15:39:56 2021-Apr-13 15:39
2133-Mar-31 05:30 < 00:01 Juno 0.0258136365536968 0.0258095140095917 0.0258177703296765 8.02031670567825 8.02031664691507 2500211.729405598 0.293493749972429 897.906357739039 48.9867912075796 77.1182582877466 76831.767141032 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 15:39:56 2021-Apr-13 15:39
2163-Jan-25 17:01 00:09 Europ 0.030046241054771 0.0300316574854078 0.0300608256105034 3.91126933649524 3.91126924605455 2511104.209040670 9.43802832926885 775.84617935853 31.550161592208 20.5072622624991 50164.7718381818 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 15:39:56 2021-Apr-13 15:39
2180-Aug-12 01:32 00:03 Amphi 0.0265481017669416 0.0265260085703996 0.0265702005415576 4.42492710734898 4.42492705841242 2517512.563975134 2.77728054949594 1257.59835617828 50.5538480230977 -28.891923914837 38039.9828543642 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 15:39:56 2021-Apr-13 15:39

Alternate Designations
 1999 RK87 = 1999 TY50 = 1999 VB155 = 2002 LZ21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 04:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin