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 ]  
201187 (2002 PK70)
Classification: Main-belt Asteroid          SPK-ID: 2201187
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 .2422783826288295 4.5123e-08  
a 3.019999645194752 2.4393e-08 au
q 2.288319015617328 1.3384e-07 au
i 11.13756861705424 5.9068e-06 deg
node 208.4819779176543 2.5935e-05 deg
peri 202.2850351685211 2.9294e-05 deg
M 81.47234518476262 1.2102e-05 deg
tp 2458566.673095832164
(2019-Mar-24.17309583)
6.4206e-05 TDB
period 1916.94108161784
5.25
2.3225e-05
6.359e-08
d
yr
n .1877991991783967 2.2753e-09 deg/d
Q 3.751680274772175 3.0303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      577  
   data-arc span      7330 days (20.07 yr)  
   first obs. used      2000-03-29  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47374  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 07:03:25  

Additional Information
 Earth MOID = 1.30251 au 
 Jupiter MOID = 1.67138 au 
 T_jup = 3.173 
[ 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 15.2   n/a MPO454423  
diameter diameter 6.892 km 0.538 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 107.127 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.045   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201187 (2002 PK70)          Discovered 2002-Aug-11 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ 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
1911-Feb-26 02:05 00:04 Jupiter 1.71918105464 1.71917982844312 1.71918228087606 2.84321666540905 2.66430139714156 2419093.586669605 3.71398343292671 477.904341547991 22.5093260595729 83.5877060204171 1893456.71083354 T 25 CATAB v2.0f-lin.ifort 2020-May-21 07:03:45 2020-May-21 07:03
1958-May-23 23:47 00:02 Jupiter 1.7727272916248 1.77272629638826 1.77272828686929 2.88146526839136 2.7105768679548 2436347.491145299 2.08144255918192 254.28543856417 25.8447241474506 80.650939413306 1914731.0770562 T 25 CATAB v2.0f-lin.ifort 2020-May-21 07:03:45 2020-May-21 07:03
2005-Aug-08 20:01 < 00:01 Jupiter 1.84538162330749 1.84538090688252 1.84538233973245 2.93329652408788 2.77240631733942 2453591.333947248 0.452714648644141 86.165148890476 31.0980845247636 78.6614746121644 2197883.4511144 T 25 CATAB v2.0f-lin.ifort 2020-May-21 07:03:45 2020-May-21 07:03
2043-Aug-08 02:39 00:01 Jupiter 1.92267724282751 1.92267624896105 1.92267823669506 1.99188456860608 1.75684876944733 2467469.610747238 1.28209197214448 210.406039802183 52.268502363695 80.0037739760766 2391143.87364026 T 25 CATAB v2.0f-lin.ifort 2020-May-21 07:03:45 2020-May-21 07:03
2052-Oct-20 04:15 00:01 Jupiter 1.92836042392678 1.92835908034682 1.92836176750795 3.00308889680728 2.8530778269472 2470830.676899578 1.43655306479935 124.64321518998 35.5753387539412 64.7125262380182 1748762.55931529 T 25 CATAB v2.0f-lin.ifort 2020-May-21 07:03:45 2020-May-21 07:03
2090-Oct-07 21:46 00:03 Jupiter 1.83759764072839 1.83759605636803 1.83759922509314 2.03963588499145 1.79950945013843 2484697.406897516 3.11485968116145 267.582621262495 85.0117451835176 67.5832944560861 2692109.61496865 T 25 CATAB v2.0f-lin.ifort 2020-May-21 07:03:45 2020-May-21 07:03
2137-Dec-19 10:11 00:05 Jupiter 1.77373950599783 1.77373759876683 1.77374141323205 2.15351712674664 1.91900135936274 2501935.923974963 4.69739971511185 193.478428855207 153.145689932839 -56.6465971499448 1293795.21946902 T 25 CATAB v2.0f-lin.ifort 2020-May-21 07:03:45 2020-May-21 07:03
2185-Mar-13 22:34 00:06 Jupiter 1.73080608353825 1.73080419772282 1.73080796938196 2.260496074631 2.03250627798974 2519187.440095046 6.17303158752743 414.823509796272 79.9365311305863 -68.0704411108683 1342614.45825027 T 25 CATAB v2.0f-lin.ifort 2020-May-21 07:03:45 2020-May-21 07:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-15 06:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin