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 ]  
295507 (2008 RO64)
Classification: Main-belt Asteroid          SPK-ID: 2295507
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231662564548747 5.175e-08  
a 3.056352049122539 3.6449e-08 au
q 2.67991260882393 1.4738e-07 au
i 2.754076755914805 5.8225e-06 deg
node 78.66923413970129 0.00011826 deg
peri 252.9535909284391 0.00012109 deg
M 89.81011165600557 2.659e-05 deg
tp 2458513.615186507621
(2019-Jan-30.11518651)
0.00014229 TDB
period 1951.656997472797
5.34
3.4912e-05
9.558e-08
d
yr
n .1844586423055714 3.2997e-09 deg/d
Q 3.432791489421148 4.0938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      2001-03-26  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5929  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:49:08  

Additional Information
 Earth MOID = 1.67094 au 
 Jupiter MOID = 1.90901 au 
 T_jup = 3.222 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457386.5 (2015-Dec-30.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126286833467215 5.253e-08  
q 2.669056143798258 1.5015e-07 au
tp 2456553.403826802163
(2013-Sep-17.90382680)
0.00013389 TDB
node 78.84192748017526 0.00011849 deg
peri 251.4064379961296 0.00012111 deg
i 2.75237241102146 5.8103e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      2001-03-26  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5929  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:49:08  

Additional Information
 Jupiter MOID = 1.90901 au 
 T_jup = 3.222 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.759407219120949E-15 -7.743370674367159E-15 1.660974239504031E-12 2.555589270826544E-15 2.84402134447417E-13 -8.017326000933784E-16
q -7.743370674367159E-15 2.254433801175875E-14 -5.188327200385013E-12 -8.509346334327521E-15 -8.260632877741596E-13 2.838517224921847E-15
tp 1.660974239504031E-12 -5.188327200385013E-12 1.792566123705889E-8 -4.070077577666122E-11 3.38611667646179E-9 -7.982388665705682E-13
node 2.555589270826544E-15 -8.509346334327521E-15 -4.070077577666122E-11 1.403958440613946E-8 -1.403069097574004E-8 -2.318846355867923E-10
peri 2.84402134447417E-13 -8.260632877741596E-13 3.38611667646179E-9 -1.403069097574004E-8 1.466734303068569E-8 2.31478354092269E-10
i -8.017326000933784E-16 2.838517224921847E-15 -7.982388665705682E-13 -2.318846355867923E-10 2.31478354092269E-10 3.375988700971771E-11

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 16.0   n/a MPO455184  

295507 (2008 RO64)          Discovered 2008-Sep-04 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
1920-Jan-05 12:23 00:05 Jupiter 1.90154372185996 1.90154287987127 1.90154456385277 2.38932841638397 2.19499691548043 2422329.015689408 5.12209665788103 182.382834413076 9.15592725516581 -79.7562461911884 2664012.78031924 T 17 CATAB v2.0f-lin.ifort 2020-Nov-11 19:49:09 2020-Nov-11 19:49
1968-Jul-31 14:18 00:02 Jupiter 1.99902688336207 1.99902588967276 1.99902787705241 2.57073248894399 2.40025637952089 2440069.096134783 2.46301185232777 121.485978530013 14.587572030953 -79.3457417592232 2000494.21655257 T 17 CATAB v2.0f-lin.ifort 2020-Nov-11 19:49:09 2020-Nov-11 19:49
1978-Feb-11 12:58 00:02 Jupiter 1.9210815909653 1.92108109708291 1.92108208484758 2.8617363457375 2.70327885084229 2443551.040145473 2.01233297190976 53.9206461768611 13.997732400031 -86.8025525927749 2270168.84610239 T 17 CATAB v2.0f-lin.ifort 2020-Nov-11 19:49:09 2020-Nov-11 19:49
2026-Sep-09 21:15 < 00:01 Jupiter 1.90419477919544 1.90419429331197 1.90419526507879 2.42085607905967 2.22955278747242 2461293.385091656 0.677258539065196 68.3160309996229 6.13647193441929 -87.6099992975163 2416054.27214505 T 17 CATAB v2.0f-lin.ifort 2020-Nov-11 19:49:09 2020-Nov-11 19:49
2075-Apr-06 09:29 00:03 Jupiter 1.9836997318035 1.98369912513242 1.98370033847605 2.51531816822046 2.33941080166729 2479033.895293054 3.22236491514204 160.555157337405 9.09116994737225 -85.3399726651153 2500838.92109679 T 17 CATAB v2.0f-lin.ifort 2020-Nov-11 19:49:09 2020-Nov-11 19:49
2084-Oct-17 17:35 00:04 Jupiter 1.94238504732954 1.94238418705037 1.94238590760838 2.99022833617866 2.84065461407634 2482516.232913726 3.70347641390011 53.9365844677513 20.4933367858079 87.2993858735989 1208717.05392308 T 17 CATAB v2.0f-lin.ifort 2020-Nov-11 19:49:09 2020-Nov-11 19:49
2133-May-16 12:38 00:06 Jupiter 1.90735067383739 1.90735023689428 1.90735111078081 2.45979939129041 2.27210178343074 2500258.026298616 6.3605273846969 199.047268448385 6.8885607515074 -83.608592174607 2552550.61633798 T 17 CATAB v2.0f-lin.ifort 2020-Nov-11 19:49:09 2020-Nov-11 19:49
2181-Dec-11 04:24 00:09 Jupiter 1.96763136328215 1.96762998185977 1.9676327447297 2.46355591430878 2.28213742637569 2517998.683558903 8.90204100626184 398.526330826533 8.23645491771995 -83.7965413034091 2472811.86103418 T 17 CATAB v2.0f-lin.ifort 2020-Nov-11 19:49:09 2020-Nov-11 19:49
2191-Jun-26 09:35 00:09 Jupiter 1.96038708082148 1.96038537214006 1.96038878950145 3.11361380789841 2.97160779948163 2521482.899542111 9.34220622085433 56.640528102422 35.9552313850563 70.9099288653683 567062.435447519 T 17 CATAB v2.0f-lin.ifort 2020-Nov-11 19:49:09 2020-Nov-11 19:49

Alternate Designations
 2008 RO64 = 2006 DB173 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-17 10:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin