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 ]  
324860 (2007 RO227)
Classification: Main-belt Asteroid          SPK-ID: 2324860
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1912058245183994 6.4879e-08  
a 2.229228915322737 1.1025e-08 au
q 1.802987362528196 1.4294e-07 au
i 1.435995948500135 5.5657e-06 deg
node 4.594548987985282 0.000216 deg
peri 21.84726926323256 0.00021654 deg
M 294.3891748380476 1.4873e-05 deg
tp 2459222.066158161157
(2021-Jan-07.56615816)
5.1032e-05 TDB
period 1215.71122968091
3.33
9.019e-06
2.469e-08
d
yr
n .2961229535524565 2.1969e-09 deg/d
Q 2.655470468117278 1.3133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6260 days (17.14 yr)  
   first obs. used      2002-03-05  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:41:57  

Additional Information
 Earth MOID = .807333 au 
 Jupiter MOID = 2.79522 au 
 T_jup = 3.619 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457111.5 (2015-Mar-30.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1912926219732209 6.4676e-08  
q 1.802887536639673 1.4254e-07 au
tp 2456792.159771391576
(2014-May-14.65977139)
4.5058e-05 TDB
node 4.676714599260153 0.00021581 deg
peri 21.98385505890103 0.00021635 deg
i 1.437300865126175 5.5655e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6260 days (17.14 yr)  
   first obs. used      2002-03-05  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:41:57  

Additional Information
 Jupiter MOID = 2.79522 au 
 T_jup = 3.619 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.182951075221695E-15 -9.202198460540737E-15 9.521696760409322E-14 6.182653163815101E-14 -2.411803338579928E-13 -2.679949567943153E-15
q -9.202198460540737E-15 2.031807007222692E-14 -1.523724796482731E-13 -1.37539920143295E-13 5.540686935206695E-13 5.897602260391813E-15
tp 9.521696760409322E-14 -1.523724796482731E-13 2.030239897637614E-9 6.589640520044962E-12 6.85947923628365E-10 -1.590404874374943E-12
node 6.182653163815101E-14 -1.37539920143295E-13 6.589640520044962E-12 4.657487903950886E-8 -4.656109387610324E-8 2.133447094393121E-10
peri -2.411803338579928E-13 5.540686935206695E-13 6.85947923628365E-10 -4.656109387610324E-8 4.680947063668139E-8 -2.136893436752418E-10
i -2.679949567943153E-15 5.897602260391813E-15 -1.590404874374943E-12 2.133447094393121E-10 -2.136893436752418E-10 3.097533322040401E-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 17.9   n/a MPO434050  

324860 (2007 RO227)          Discovered 2007-Sep-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ show close-approach data ]
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-13 19:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin