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JPL Small-Body Database Browser
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49040 (1998 RO)
Classification: Main-belt Asteroid          SPK-ID: 2049040
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09826528521127702 3.3637e-08  
a 2.40795146068913 1.0398e-08 au
q 2.171333423629601 8.0424e-08 au
i 4.856646114954706 4.5002e-06 deg
node 215.8339733597195 5.1383e-05 deg
peri 212.7605130360014 5.7587e-05 deg
M 92.43202808038173 2.6577e-05 deg
tp 2458250.079100138211
(2018-May-11.57910014)
0.0001002 TDB
period 1364.80315936094
3.74
8.8398e-06
2.42e-08
d
yr
n .2637743014667168 1.7085e-09 deg/d
Q 2.644569497748658 1.1419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      8529 days (23.35 yr)  
   first obs. used      1995-12-22  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54245  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:59  

Additional Information
 Earth MOID = 1.18662 au 
 Jupiter MOID = 2.5991 au 
 T_jup = 3.510 
[ 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 15.8   n/a MPO267871  

49040 (1998 RO)          Discovered 1998-Sep-09 by ODAS at Caussols
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RO = 2000 AR112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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