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392539 (2011 RO1)
Classification: Main-belt Asteroid          SPK-ID: 2392539
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03072562961901905 5.9598e-08  
a 3.044998378630003 4.9555e-08 au
q 2.951438886257704 2.0191e-07 au
i 15.55770665624381 8.0334e-06 deg
node 342.2549327558022 2.1875e-05 deg
peri 315.922122938753 0.00014961 deg
M 279.1696303762656 0.00015172 deg
tp 2459436.263739770168
(2021-Aug-09.76373977)
0.00082343 TDB
period 1940.792143442048
5.31
4.7377e-05
1.297e-07
d
yr
n .1854912702611884 4.5281e-09 deg/d
Q 3.138557871002301 5.1078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      4957 days (13.57 yr)  
   first obs. used      2006-09-28  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51902  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:23:36  

Additional Information
 Earth MOID = 1.95303 au 
 Jupiter MOID = 1.99849 au 
 T_jup = 3.182 
[ 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 16.2   n/a MPO472030  

392539 (2011 RO1)          Discovered 2008-Dec-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ 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
2022-May-02 21:51 < 00:01 Jupiter 1.99511424147324 1.99511355675726 1.99511492619227 5.69763337360504 5.6226265484513 2459702.410481427 0.573105427580911 333.152296057309 29.6868862741225 87.5493267515103 2621624.55998773 T 13 CATAB v2.0f-lin.ifort 2020-May-22 01:23:37 2020-May-22 01:23

Alternate Designations
 2011 RO1 = 2009 DX12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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