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JPL Small-Body Database Browser
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39687 (1996 RL3)
Classification: Main-belt Asteroid          SPK-ID: 2039687
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 .08113303879888352 3.5449e-08  
a 2.328421837647559 9.0665e-09 au
q 2.139509898353532 8.1718e-08 au
i 1.718368129619263 3.4617e-06 deg
node 86.94831026379579 0.0001602 deg
peri 48.47635741165034 0.00016263 deg
M 111.8436861045765 2.8058e-05 deg
tp 2458597.319152231859
(2019-Apr-23.81915223)
0.00010064 TDB
period 1297.749656255219
3.55
7.5798e-06
2.075e-08
d
yr
n .2774032713203057 1.6202e-09 deg/d
Q 2.517333776941586 9.8021e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      10273 days (28.13 yr)  
   first obs. used      1991-03-12  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5533  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:07:58  

Additional Information
 Earth MOID = 1.15384 au 
 Jupiter MOID = 2.4918 au 
 T_jup = 3.568 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456559.5 (2013-Sep-24.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08124942009116225 3.5536e-08  
q 2.139222460212051 8.2056e-08 au
tp 2456002.993273739404
(2012-Mar-16.49327374)
9.8361e-05 TDB
node 86.96346817249416 0.00016015 deg
peri 48.63719124108358 0.00016255 deg
i 1.718635254034579 3.4624e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      10273 days (28.13 yr)  
   first obs. used      1991-03-12  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5533  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:07:58  

Additional Information
 Jupiter MOID = 2.4918 au 
 T_jup = 3.568 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.262787800838517E-15 -2.900798872406069E-15 1.173278556212274E-12 -6.576781963914897E-15 3.449834759043392E-13 -2.078790772122453E-16
q -2.900798872406069E-15 6.733258016814159E-15 -2.70058655904431E-12 1.568037738569666E-14 -7.881632717544177E-13 4.981850569456627E-16
tp 1.173278556212274E-12 -2.70058655904431E-12 9.674919541676234E-9 -2.40128632160293E-11 2.766930001730253E-9 -1.121735183616476E-12
node -6.576781963914897E-15 1.568037738569666E-14 -2.40128632160293E-11 2.564647475679497E-8 -2.564133083995992E-8 -6.702797726084974E-11
peri 3.449834759043392E-13 -7.881632717544177E-13 2.766930001730253E-9 -2.564133083995992E-8 2.642257590033906E-8 6.66799278969448E-11
i -2.078790772122453E-16 4.981850569456627E-16 -1.121735183616476E-12 -6.702797726084974E-11 6.66799278969448E-11 1.198799266512583E-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 15.6   n/a MPO468237  
rotation period rot_per 402.470 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

39687 (1996 RL3)          Discovered 1996-Sep-15 by Comba, P. G. at Prescott
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 RL3 = 2000 VY30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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