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101145 (1998 RD70)
Classification: Main-belt Asteroid          SPK-ID: 2101145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678368527597368 3.5155e-08  
a 2.394710849615814 1.1405e-08 au
q 1.9927901173467 8.7928e-08 au
i 3.225551426157419 3.7636e-06 deg
node 86.45078130550947 7.3051e-05 deg
peri 4.79061187379112 7.5199e-05 deg
M 288.5858302424931 2.1123e-05 deg
tp 2459469.009675940294
(2021-Sep-11.50967594)
8.0901e-05 TDB
period 1353.561676439497
3.71
9.6698e-06
2.647e-08
d
yr
n .265964976894861 1.9e-09 deg/d
Q 2.796631581884927 1.3319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      8122 days (22.24 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51115  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:25  

Additional Information
 Earth MOID = 1.00915 au 
 Jupiter MOID = 2.38992 au 
 T_jup = 3.508 
[ 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 15.97   n/a E2021B55  
rotation period rot_per 67.938 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

101145 (1998 RD70)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 RD70 = 2000 FE32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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