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109862 (2001 RR142)
Classification: Main-belt Asteroid          SPK-ID: 2109862
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2164709388664784 4.2963e-08  
a 2.717141940018738 1.3052e-08 au
q 2.128959673229397 1.1336e-07 au
i 14.33551970146335 4.9422e-06 deg
node 64.51952145854287 1.6449e-05 deg
peri 296.1807770676328 2.0788e-05 deg
M 78.81433121209326 1.102e-05 deg
tp 2458642.346161748340
(2019-Jun-07.84616175)
4.9642e-05 TDB
period 1635.938284163398
4.48
1.1787e-05
3.227e-08
d
yr
n .2200572011089651 1.5855e-09 deg/d
Q 3.305324206808079 1.5877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      7264 days (19.89 yr)  
   first obs. used      2000-05-28  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:09:20  

Additional Information
 Earth MOID = 1.17144 au 
 Jupiter MOID = 2.29586 au 
 T_jup = 3.282 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457393.5 (2016-Jan-06.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .218366884476054 4.356e-08  
q 2.122511474640553 1.1526e-07 au
tp 2457002.355236464363
(2014-Dec-10.85523646)
4.7552e-05 TDB
node 64.67465630778464 1.6514e-05 deg
peri 295.2986095881951 2.0636e-05 deg
i 14.31208004219932 4.9345e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      7264 days (19.89 yr)  
   first obs. used      2000-05-28  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:09:20  

Additional Information
 Jupiter MOID = 2.29586 au 
 T_jup = 3.282 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.89746051501217E-15 -5.00396034265233E-15 9.639175119778709E-14 -5.807638535744882E-15 -4.160329809525607E-14 -5.517319817618184E-15
q -5.00396034265233E-15 1.328503297818279E-14 -2.807817167707694E-13 1.597395196519549E-14 1.100713447220593E-13 1.546151968154714E-14
tp 9.639175119778709E-14 -2.807817167707694E-13 2.261190932390902E-9 -1.251683961397728E-11 5.96187901689331E-10 1.930168111365008E-12
node -5.807638535744882E-15 1.597395196519549E-14 -1.251683961397728E-11 2.727137949099232E-10 -2.66920761543132E-10 -5.764176038485004E-12
peri -4.160329809525607E-14 1.100713447220593E-13 5.96187901689331E-10 -2.66920761543132E-10 4.258403546957938E-10 6.235242716948898E-12
i -5.517319817618184E-15 1.546151968154714E-14 1.930168111365008E-12 -5.764176038485004E-12 6.235242716948898E-12 2.434940603872425E-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 15.2   n/a MPO453560  
diameter diameter 2.659 km 0.335 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.250   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

109862 (2001 RR142)          Discovered 2001-Sep-11 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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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
2000-Jun-30 00:45 < 00:01 Hygie 0.0256420801203583 0.0256392497673289 0.0256449105031645 7.26974398016497 7.26974377289802 2451725.531387352 0.487636189330417 149.366008408646 65.1224231840725 -21.4244441330265 32144.1637337797 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 19:09:21 2020-Nov-12 19:09
2027-Jan-11 22:39 < 00:01 Cybel 0.00798282666085708 0.00797878264066209 0.00798687110755073 5.33124382887913 5.33124368594671 2461417.443973855 0.742996708665478 223.534484898349 61.147311051298 -26.6781571536328 9979.38535876398 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 19:09:21 2020-Nov-12 19:09

Alternate Designations
 2001 RR142 = 2001 QX147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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