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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231917881896843 5.1615e-08  
a 3.05693849857973 3.4639e-08 au
q 2.680348778553804 1.4575e-07 au
i 2.753817455900757 5.3884e-06 deg
node 78.66767400746228 0.00010442 deg
peri 253.0538111069141 0.00010702 deg
M 126.5839182474172 2.5474e-05 deg
tp 2458514.056949210144
(2019-Jan-30.55694921)
0.0001339 TDB
period 1952.218747102895
5.34
3.3181e-05
9.084e-08
d
yr
n .1844055644554394 3.1343e-09 deg/d
Q 3.433528218605656 3.8906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7238 days (19.82 yr)  
   first obs. used      2001-03-26  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:14:47  

Additional Information
 Earth MOID = 1.66948 au 
 Jupiter MOID = 1.90856 au 
 T_jup = 3.222 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457608.5 (2016-Aug-08.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1251349220473146 5.2298e-08  
q 2.675348121584952 1.4839e-07 au
tp 2458506.155524282648
(2019-Jan-22.65552428)
0.00013138 TDB
node 78.79401513137994 0.00010469 deg
peri 251.6037408424632 0.00010716 deg
i 2.751506688972966 5.3764e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7238 days (19.82 yr)  
   first obs. used      2001-03-26  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:14:47  

Additional Information
 Jupiter MOID = 1.90856 au 
 T_jup = 3.222 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.735048863227702E-15 -7.632821288502414E-15 2.253099505329201E-12 -3.005576735010713E-15 2.500636071137196E-13 -4.63534445515142E-16
q -7.632821288502414E-15 2.202018073744762E-14 -5.412871692963611E-12 9.96736368207821E-15 -6.076715563845415E-13 1.390374165263065E-15
tp 2.253099505329201E-12 -5.412871692963611E-12 1.726044534111204E-8 -2.605756075180166E-11 2.997516710389868E-9 -1.044398849952694E-12
node -3.005576735010713E-15 9.96736368207821E-15 -2.605756075180166E-11 1.096085761865099E-8 -1.09528504770173E-8 -1.107333754627349E-10
peri 2.500636071137196E-13 -6.076715563845415E-13 2.997516710389868E-9 -1.09528504770173E-8 1.148388067816286E-8 1.104018885189236E-10
i -4.63534445515142E-16 1.390374165263065E-15 -1.044398849952694E-12 -1.107333754627349E-10 1.104018885189236E-10 2.890592016852874E-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 16.16   n/a MPCxxxxx  

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 1.90154378949481 1.90154297669012 1.90154460230306 2.38932847200921 2.19499698436948 2422329.015893426 4.86546046021204 172.135439726303 8.33503376812272 -79.6844647417766 2669854.94541944 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 05:14:48 2021-Apr-14 05:14
1968-Jul-31 14:18 00:02 Jupiter 1.99902689911406 1.99902591077224 1.9990278874569 2.57073245989242 2.4002563507722 2440069.096178772 2.35661723704726 114.65015537513 13.9096418415658 -78.6734411390085 2058452.67275266 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 05:14:48 2021-Apr-14 05:14
1978-Feb-11 12:58 00:02 Jupiter 1.92108164603493 1.92108117655171 1.92108211551804 2.86173665222836 2.70327918087514 2443551.040176918 1.93283925550428 47.8692293846 12.5618580572698 -86.9644472205543 2306035.89544552 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 05:14:48 2021-Apr-14 05:14
2026-Sep-09 21:14 < 00:01 Jupiter 1.90419481887435 1.9041943428854 1.9041952948632 2.42085627945466 2.22955301032147 2461293.384991490 0.592432584625511 58.4113832642915 5.90864878615729 -87.8755666347844 2462544.47437682 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 05:14:48 2021-Apr-14 05:14
2075-Apr-06 09:29 00:03 Jupiter 1.98369964410081 1.98369911190622 1.98370017629619 2.5153178222871 2.3394104226609 2479033.894976879 2.99471649570348 148.16408619183 8.35616234813205 -85.7451951695556 2671617.2278391 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 05:14:48 2021-Apr-14 05:14
2084-Oct-17 17:35 00:03 Jupiter 1.942385188838 1.94238444274303 1.94238593493276 2.99022946512083 2.84065581449437 2482516.232566860 3.44809248481616 47.8815411715486 17.6192639869209 87.8765890753048 1374964.72829785 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 05:14:48 2021-Apr-14 05:14
2133-May-16 12:37 00:06 Jupiter 1.9073507193793 1.90735029133554 1.90735114742327 2.45980000907888 2.27210245800102 2500258.025781048 5.94728631181705 183.677458142993 6.71713005263353 -83.4580820888353 2636623.11156113 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 05:14:48 2021-Apr-14 05:14
2181-Dec-11 04:23 00:08 Jupiter 1.96763120459867 1.96762995112543 1.96763245809361 2.46355548555533 2.28213694936813 2517998.682850439 8.34418506773168 372.613096019895 7.7295595014196 -83.9026428112273 2579018.26296081 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 05:14:48 2021-Apr-14 05:14
2191-Jun-26 09:34 00:09 Jupiter 1.96038735378031 1.96038582223324 1.96038888532626 3.11361604693421 2.97161016656366 2521482.898803195 8.76177432413505 50.544364365773 31.309625041557 70.8521143506217 628026.049853126 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 05:14:48 2021-Apr-14 05:14

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-May-13 13:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin