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226800 (2004 RM202)
Classification: Main-belt Asteroid          SPK-ID: 2226800
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0660888732839881 6.856e-08  
a 2.689311231341466 2.5492e-08 au
q 2.511577682152134 1.9345e-07 au
i 5.747410198370561 7.0294e-06 deg
node 212.0469142605656 4.7589e-05 deg
peri 162.84445887396 6.1042e-05 deg
M 234.0252063047411 4.2529e-05 deg
tp 2459764.191103138598
(2022-Jul-03.69110314)		 0.00019467 TDB
period 1610.868263224095
4.41		 2.2904e-05
6.271e-08		 d
yr
n .2234819620069197 3.1775e-09 deg/d
Q 2.867044780530799 2.7176e-08 au
   Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      7136 days (19.54 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:30:46  

Additional Information
 Earth MOID = 1.51187 au 
 Jupiter MOID = 2.44761 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457321.5 (2015-Oct-26.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0648944613420354 6.8362e-08  
q 2.516116128005685 1.9255e-07 au
tp 2456544.261461682477
(2013-Sep-08.76146168)		 0.0001773 TDB
node 212.064176784887 4.7603e-05 deg
peri 163.5035399660392 6.158e-05 deg
i 5.745207666520092 7.0279e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      7136 days (19.54 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:30:46  

Additional Information
 Jupiter MOID = 2.44761 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.673312517690591E-15 -1.307211506979111E-14 -1.367175143896309E-12 -9.110850605080589E-15 -3.928074668592738E-13 1.956478538434274E-15
q -1.307211506979111E-14 3.707653734342581E-14 5.188610281273913E-12 2.486351702265716E-14 1.440138865465394E-12 -4.972417538505269E-15
tp -1.367175143896309E-12 5.188610281273913E-12 3.143404161598146E-8 2.761456499545724E-11 6.932927994933844E-9 -7.789518593971679E-12
node -9.110850605080589E-15 2.486351702265716E-14 2.761456499545724E-11 2.266024496561637E-9 -2.248144727981296E-9 -9.449826123949843E-11
peri -3.928074668592738E-13 1.440138865465394E-12 6.932927994933844E-9 -2.248144727981296E-9 3.792085684914977E-9 9.239564431583337E-11
i 1.956478538434274E-15 -4.972417538505269E-15 -7.789518593971679E-12 -9.449826123949843E-11 9.239564431583337E-11 4.93906859326748E-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 16.13   n/a E2021B55  

226800 (2004 RM202)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ 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
2066-Jan-27 23:17 00:01 Juno 0.0289724193706426 0.0289633661782349 0.0289814847670819 4.9352041902087 4.93520410512309 2475678.470069091 1.44447826101546 1058.46611919623 92.5515887016583 -65.2266413210236 42526.7486406379 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 02:30:47 2020-Nov-12 02:30
2115-Sep-10 08:42 00:03 Psych 0.0419695189927625 0.0419562980028955 0.0419827739966539 1.91350495836766 1.91350480771056 2493799.862694599 2.62191431088208 1997.26583474169 62.6249515811281 -70.8285247348673 94332.1393696681 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 02:30:47 2020-Nov-12 02:30
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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