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146482 (2001 RR127)
Classification: Main-belt Asteroid          SPK-ID: 2146482
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226429227282522 4.2158e-08  
a 2.342895097970277 1.1329e-08 au
q 2.055555595509508 9.6542e-08 au
i 6.642673914541333 5.7703e-06 deg
node 148.7047010662885 4.1703e-05 deg
peri 147.3202807781446 4.9362e-05 deg
M 180.1451863682265 2.8092e-05 deg
tp 2459854.905977175044
(2022-Oct-02.40597718)		 0.00010367 TDB
period 1309.868482393495
3.59		 9.5004e-06
2.601e-08		 d
yr
n .2748367525739528 1.9934e-09 deg/d
Q 2.630234600431047 1.2718e-08 au
   Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      7095 days (19.43 yr)  
   first obs. used      2001-08-16  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:29:50  

Additional Information
 Earth MOID = 1.04147 au 
 Jupiter MOID = 2.55808 au 
 T_jup = 3.544 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457752.5 (2016-Dec-30.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1232625936445279 4.2142e-08  
q 2.05346305266206 9.6573e-08 au
tp 2457236.267179850764
(2015-Aug-01.76717985)		 9.8751e-05 TDB
node 148.7533025080107 4.1707e-05 deg
peri 147.4025075871101 4.9322e-05 deg
i 6.643177724786339 5.7722e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      7095 days (19.43 yr)  
   first obs. used      2001-08-16  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:29:50  

Additional Information
 Jupiter MOID = 2.55808 au 
 T_jup = 3.544 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.775974296564624E-15 -4.049899177440492E-15 1.797290090221127E-12 1.455466242033152E-14 4.721008370894217E-13 -9.134837570454843E-16
q -4.049899177440492E-15 9.326419985135069E-15 -4.070892298005013E-12 -3.270817112843952E-14 -1.063004969893882E-12 2.301498288503618E-15
tp 1.797290090221127E-12 -4.070892298005013E-12 9.751803006618805E-9 4.373369018114988E-11 2.622312668705346E-9 -7.836563211114209E-13
node 1.455466242033152E-14 -3.270817112843952E-14 4.373369018114988E-11 1.739445767627081E-9 -1.715222152115586E-9 9.276773624565886E-11
peri 4.721008370894217E-13 -1.063004969893882E-12 2.622312668705346E-9 -1.715222152115586E-9 2.432660482870571E-9 -9.240569672019354E-11
i -9.134837570454843E-16 2.301498288503618E-15 -7.836563211114209E-13 9.276773624565886E-11 -9.240569672019354E-11 3.331873993016996E-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 16.5   n/a MPO436735  

146482 (2001 RR127)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ 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
1913-Aug-30 20:53 < 00:01 Hebe 0.0407365639205286 0.0407286195782106 0.0407445188579992 4.92129652809662 4.9212964970872 2420010.369944875 0.515765238481706 1121.07670688392 62.6873267986552 -69.542725326757 91063.8543416659 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 10:29:51 2021-Feb-24 10:29
2042-Aug-11 16:20 < 00:01 Eunom 0.0411522841689613 0.0411465374115784 0.0411580317781263 6.89033742950414 6.89033737999796 2467108.180405978 0.490459529873926 414.992191046919 52.5398994393125 -46.830078101787 86026.4197258499 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 10:29:51 2021-Feb-24 10:29
2064-Feb-07 08:45 < 00:01 Eunom 0.0463374172240436 0.0463283795895427 0.0463464568731248 6.61891511437351 6.6189150686041 2474957.864245562 0.615201072593952 661.757397955561 50.9158613459345 47.2758822741486 100228.709833047 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 10:29:51 2021-Feb-24 10:29
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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