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129683 (1998 RO71)
Classification: Main-belt Asteroid          SPK-ID: 2129683
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1244510933295021 6.5672e-08  
a 2.761288516057688 1.8939e-08 au
q 2.41764314123611 1.866e-07 au
i 6.46565613893726 7.1475e-06 deg
node 22.81008572043847 4.0688e-05 deg
peri 346.2715233510573 4.5204e-05 deg
M 256.4710042172393 2.3323e-05 deg
tp 2459482.476215885534
(2021-Sep-24.97621589)
0.00011155 TDB
period 1675.969484750714
4.59
1.7243e-05
4.721e-08
d
yr
n .2148010469615125 2.2099e-09 deg/d
Q 3.104933890879266 2.1296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      7514 days (20.57 yr)  
   first obs. used      1998-09-14  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59612  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:16:34  

Additional Information
 Earth MOID = 1.41776 au 
 Jupiter MOID = 2.3571 au 
 T_jup = 3.321 
[ 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 15.4   n/a MPO432775  
diameter diameter 5.700 km 0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129683 (1998 RO71)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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