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JPL Small-Body Database Browser
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109850 (2001 RO131)
Classification: Main-belt Asteroid          SPK-ID: 2109850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178315746307149 4.9986e-08  
a 2.621251031239612 1.7531e-08 au
q 2.312384894726264 1.2737e-07 au
i 3.609866275944671 4.9053e-06 deg
node 137.8990251503041 8.6553e-05 deg
peri 99.74140714949306 8.8922e-05 deg
M 161.410583747503 2.154e-05 deg
tp 2457905.490316268848
(2017-May-31.99031627)
9.191e-05 TDB
period 1550.105825368998
4.24
1.5551e-05
4.258e-08
d
yr
n .2322422083113604 2.3298e-09 deg/d
Q 2.930117167752961 1.9596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      7154 days (19.59 yr)  
   first obs. used      2000-05-05  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:07:46  

Additional Information
 Earth MOID = 1.30368 au 
 Jupiter MOID = 2.07441 au 
 T_jup = 3.392 
[ show covariance matrix ]

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 16.0   n/a MPO417564  

109850 (2001 RO131)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1901-Apr-29 01:38 00:02 Psych 0.0171429373462197 0.0171145913170274 0.0171712931939714 4.1239540905108 4.12395391936978 2415503.567905948 2.46719455589433 1553.93181642248 74.3052825195658 -24.6532747317484 14460.6229448794 T 13 CATAB v2.0f-lin.ifort 2019-Dec-14 09:07:49 2019-Dec-14 09:08
2029-May-10 05:54 00:01 Amphi 0.048933759809957 0.0489322559949756 0.0489352640857149 4.59248436231502 4.59248433673407 2462266.746035198 1.28135059212302 320.773678453934 48.8237046911033 -79.664657506903 147500.285996243 T 13 CATAB v2.0f-lin.ifort 2019-Dec-14 09:07:49 2019-Dec-14 09:08
2094-Oct-24 14:27 00:03 Psych 0.0492501806471271 0.0492321609441998 0.0492682085234757 3.84449028054455 3.84449021664371 2486175.101738777 2.97021861687915 1344.6527878997 54.7961132007088 -48.1715785001328 100157.482748753 T 13 CATAB v2.0f-lin.ifort 2019-Dec-14 09:07:49 2019-Dec-14 09:08

Alternate Designations
 2001 RO131 = 2004 EV38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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