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 ]  
85245 (1993 RM2)
Classification: Main-belt Asteroid          SPK-ID: 2085245
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2765657532625393 3.957e-08  
a 2.388777333272561 9.8144e-09 au
q 1.728123330719555 9.5059e-08 au
i 23.80497061127262 4.7699e-06 deg
node 194.7445417622977 8.1416e-06 deg
peri 225.7175437000889 1.1144e-05 deg
M 45.67102703231916 5.4931e-06 deg
tp 2458829.419619209043
(2019-Dec-11.91961921)
2.0806e-05 TDB
period 1348.534094518199
3.69
8.3108e-06
2.275e-08
d
yr
n .2669565430072571 1.6452e-09 deg/d
Q 3.049431335825567 1.2529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      13605 days (37.25 yr)  
   first obs. used      1982-11-06  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:29:00  

Additional Information
 Earth MOID = .79299 au 
 Jupiter MOID = 2.52966 au 
 T_jup = 3.370 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457603.5 (2016-Aug-03.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2749071202937334 3.9426e-08  
q 1.732328906498956 9.4538e-08 au
tp 2457478.928911852371
(2016-Mar-31.42891185)
2.4689e-05 TDB
node 194.7963773642047 8.1264e-06 deg
peri 225.3899600947454 1.1211e-05 deg
i 23.82033272789842 4.7706e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      13605 days (37.25 yr)  
   first obs. used      1982-11-06  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:29:00  

Additional Information
 Jupiter MOID = 2.52966 au 
 T_jup = 3.370 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.55443880367118E-15 -3.716859928143631E-15 -2.6894989118807E-13 1.53103710059118E-14 -8.327355845825562E-14 -1.638188369476747E-14
q -3.716859928143631E-15 8.937457619228872E-15 5.472156699839044E-13 -3.594235117328453E-14 1.741521497648001E-13 4.041705087904513E-14
tp -2.6894989118807E-13 5.472156699839044E-13 6.095511714457181E-10 -4.843718360060783E-12 1.967384232622977E-10 2.642138035924582E-12
node 1.53103710059118E-14 -3.594235117328453E-14 -4.843718360060783E-12 6.603871275530941E-11 -6.146957522839453E-11 1.286735282945219E-11
peri -8.327355845825562E-14 1.741521497648001E-13 1.967384232622977E-10 -6.146957522839453E-11 1.256960950096269E-10 -1.096794191986535E-11
i -1.638188369476747E-14 4.041705087904513E-14 2.642138035924582E-12 1.286735282945219E-11 -1.096794191986535E-11 2.275822177683988E-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 15.0   n/a MPO502664  

85245 (1993 RM2)          Discovered 1993-Sep-14 by Helin, E. F. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 RM2 = 2002 FY39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-30 00:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin