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129596 (1997 VR1)
Classification: Main-belt Asteroid          SPK-ID: 2129596
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2193487781380725 7.1463e-08  
a 2.319951860139191 1.0705e-08 au
q 1.811073254278511 1.6808e-07 au
i 23.36490046148673 5.8599e-06 deg
node 50.65138173324114 1.6581e-05 deg
peri 304.8346995832857 2.0001e-05 deg
M 172.0950512188986 1.2951e-05 deg
tp 2458383.503404282825
(2018-Sep-22.00340428)
4.4682e-05 TDB
period 1290.674966450117
3.53
8.9334e-06
2.446e-08
d
yr
n .2789238261823168 1.9306e-09 deg/d
Q 2.828830465999871 1.3053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      8235 days (22.55 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54377  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:47:52  

Additional Information
 Earth MOID = .888129 au 
 Jupiter MOID = 2.78618 au 
 T_jup = 3.439 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457413.5 (2016-Jan-26.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2197136042487197 7.1804e-08  
q 1.810232286107082 1.6894e-07 au
tp 2457090.932719208869
(2015-Mar-09.43271921)
4.1807e-05 TDB
node 50.71397277755539 1.6604e-05 deg
peri 304.4833118120212 1.9945e-05 deg
i 23.34815213856083 5.8574e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      8235 days (22.55 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54377  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:47:52  

Additional Information
 Jupiter MOID = 2.78618 au 
 T_jup = 3.439 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.155790719672973E-15 -1.211664226255743E-14 -1.328027800839129E-13 -3.241643173388044E-14 -1.680330236320159E-13 -1.106444808101206E-14
q -1.211664226255743E-14 2.854050500712807E-14 3.775378384644894E-13 7.666508306591068E-14 4.116248309447011E-13 2.622338574865645E-14
tp -1.328027800839129E-13 3.775378384644894E-13 1.747823888221713E-9 5.122335157933583E-12 5.022777891377135E-10 -7.216916040608184E-12
node -3.241643173388044E-14 7.666508306591068E-14 5.122335157933583E-12 2.756899419579818E-10 -2.499626083465432E-10 -1.83182397432364E-11
peri -1.680330236320159E-13 4.116248309447011E-13 5.022777891377135E-10 -2.499626083465432E-10 3.97796399319999E-10 1.521778947204275E-11
i -1.106444808101206E-14 2.622338574865645E-14 -7.216916040608184E-12 -1.83182397432364E-11 1.521778947204275E-11 3.43089986489734E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO469352  
diameter diameter 4.359 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129596 (1997 VR1)          Discovered 1997-Nov-02 by Okuni, T. at Nanyo
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1997 VR1 = 2004 TR247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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