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185712 (1998 RH70)
Classification: Main-belt Asteroid          SPK-ID: 2185712
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904778478319425 6.2505e-08  
a 2.416462063534732 9.9448e-09 au
q 1.956179570305101 1.522e-07 au
i 3.78539216632943 4.9637e-06 deg
node 91.22096451247683 8.6402e-05 deg
peri 315.7887441004297 8.7457e-05 deg
M 248.3124352051654 1.2334e-05 deg
tp 2459426.167722816624
(2021-Jul-30.66772282)
4.7944e-05 TDB
period 1372.045137661305
3.76
8.4698e-06
2.319e-08
d
yr
n .2623820384026371 1.6197e-09 deg/d
Q 2.876744556764362 1.1839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      7553 days (20.68 yr)  
   first obs. used      1998-08-26  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57875  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:26:36  

Additional Information
 Earth MOID = .968229 au 
 Jupiter MOID = 2.50914 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456906.5 (2014-Sep-06.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913264956973529 6.2306e-08  
q 1.953385170292953 1.5157e-07 au
tp 2456686.045770849533
(2014-Jan-28.54577085)
4.443e-05 TDB
node 91.25091885093842 8.637e-05 deg
peri 316.1519048900745 8.7412e-05 deg
i 3.786602824512697 4.9677e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      7553 days (20.68 yr)  
   first obs. used      1998-08-26  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57875  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:26:36  

Additional Information
 Jupiter MOID = 2.50914 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.882089863895487E-15 -9.430356340727538E-15 -9.448940812105316E-13 -4.783310594647774E-14 -3.578978905250165E-13 -2.018863370288407E-15
q -9.430356340727538E-15 2.297286619364504E-14 2.272042862366258E-12 1.174357138915161E-13 8.638712583231696E-13 4.899130769400776E-15
tp -9.448940812105316E-13 2.272042862366258E-12 1.974015931915464E-9 7.812695642281318E-12 6.308599881424912E-10 4.730965851715736E-13
node -4.783310594647774E-14 1.174357138915161E-13 7.812695642281318E-12 7.459765562097704E-9 -7.439068190081309E-9 -1.567109834725512E-10
peri -3.578978905250165E-13 8.638712583231696E-13 6.308599881424912E-10 -7.439068190081309E-9 7.640857608932862E-9 1.565862527508766E-10
i -2.018863370288407E-15 4.899130769400776E-15 4.730965851715736E-13 -1.567109834725512E-10 1.565862527508766E-10 2.467778045596528E-11

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 MPO338429  

185712 (1998 RH70)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1998 RH70 = 2002 TL50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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