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 ]  
12300 (1991 RX10)
Classification: Main-belt Asteroid          SPK-ID: 2012300
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016745315020187 2.9304e-08  
a 2.434686771859613 9.9071e-09 au
q 2.187141134976625 7.0221e-08 au
i 12.76732137301426 6.527e-07 deg
node 1.279204841345172 4.3968e-06 deg
peri 345.8285840390931 1.0854e-05 deg
M 269.9171836037418 1.3508e-05 deg
tp 2459547.718235741460
(2021-Nov-29.21823574)
5.3346e-05 TDB
period 1387.596101759066
3.80
8.4695e-06
2.319e-08
d
yr
n .2594414898857278 1.5836e-09 deg/d
Q 2.682232408742601 1.0914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1494  
   data-arc span      20411 days (55.88 yr)  
   first obs. used      1964-08-08  
   last obs. used      2020-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:15:55  

Additional Information
 Earth MOID = 1.18165 au 
 Jupiter MOID = 2.74503 au 
 T_jup = 3.465 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456740.5 (2014-Mar-24.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101183104473835 2.909e-08  
q 2.188782051715366 6.958e-08 au
tp 2456768.298709526585
(2014-Apr-20.79870953)
4.518e-05 TDB
node 1.315783684008779 4.3991e-06 deg
peri 344.9948747117162 1.0976e-05 deg
i 12.76386652298628 6.5189e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      1494  
   data-arc span      20411 days (55.88 yr)  
   first obs. used      1964-08-08  
   last obs. used      2020-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:15:55  

Additional Information
 Jupiter MOID = 2.74503 au 
 T_jup = 3.465 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.462491271684427E-16 -2.007801065015416E-15 1.16644570021943E-12 -1.924253363290748E-14 2.608233781607142E-13 -3.575321128404161E-15
q -2.007801065015416E-15 4.841425556984389E-15 -2.691601529347505E-12 4.479639570175303E-14 -5.94174432964806E-13 8.440931382793908E-15
tp 1.16644570021943E-12 -2.691601529347505E-12 2.041274138726611E-9 -1.313676538053509E-11 4.603595987231605E-10 -4.790641844305095E-12
node -1.924253363290748E-14 4.479639570175303E-14 -1.313676538053509E-11 1.935235832629613E-11 -1.997371629041238E-11 1.148751818557191E-12
peri 2.608233781607142E-13 -5.94174432964806E-13 4.603595987231605E-10 -1.997371629041238E-11 1.20466243057164E-10 -2.036563793710116E-12
i -3.575321128404161E-15 8.440931382793908E-15 -4.790641844305095E-12 1.148751818557191E-12 -2.036563793710116E-12 4.24959799610413E-13

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 14.05   n/a E2021B10  
diameter diameter 4.072 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.244   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12300 (1991 RX10)          Discovered 1991-Sep-10 by Holt, H. E. at Palomar
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ 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
1948-Jan-13 02:45 00:02 Amphi 0.0451735655409659 0.0451652251760249 0.0451819059172785 2.57817593450063 2.57817588514052 2432563.614418793 1.54473348150149 416.783952083175 39.07116906537 -4.82150390091554 21706.3997570633 T 29 CATAB v2.0f-lin.ifort 2021-Apr-12 23:16:37 2021-Apr-12 23:16

Alternate Designations
 1991 RX10 = 1975 LE1 
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-18 03:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin