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306977 (2001 VB82)
Classification: Main-belt Asteroid          SPK-ID: 2306977
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121946037454988 1.2592e-07  
a 2.607675872316594 4.0996e-08 au
q 2.315108711125336 3.5436e-07 au
i 10.00489078731185 5.3097e-06 deg
node 255.3041091607363 6.5128e-05 deg
peri 72.54589726160837 7.0296e-05 deg
M 324.2105043761803 3.0238e-05 deg
tp 2459549.408601793187
(2021-Nov-30.90860179)
0.0001301 TDB
period 1538.079698695464
4.21
3.6271e-05
9.93e-08
d
yr
n .2340580922466744 5.5196e-09 deg/d
Q 2.900243033507853 4.5596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      6737 days (18.44 yr)  
   first obs. used      2001-11-15  
   last obs. used      2020-04-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52064  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:01:20  

Additional Information
 Earth MOID = 1.32595 au 
 Jupiter MOID = 2.39939 au 
 T_jup = 3.381 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457423.5 (2016-Feb-05.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107708462184737 1.2579e-07  
q 2.32010867677747 3.534e-07 au
tp 2458010.535933099789
(2017-Sep-14.03593310)
0.00012719 TDB
node 255.3526380558915 6.5145e-05 deg
peri 72.20972405926788 7.0451e-05 deg
i 10.00088723288791 5.3073e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      6737 days (18.44 yr)  
   first obs. used      2001-11-15  
   last obs. used      2020-04-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52064  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:01:20  

Additional Information
 Jupiter MOID = 2.39939 au 
 T_jup = 3.381 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.582289117718115E-14 -4.432409158651571E-14 6.683693954975933E-12 4.956696437102232E-13 1.631295229424222E-12 -4.668069225080913E-14
q -4.432409158651571E-14 1.248890616764842E-13 -1.746900923413384E-11 -1.386073971616053E-12 -4.355532080885477E-12 1.336966345322854E-13
tp 6.683693954975933E-12 -1.746900923413384E-11 1.617818001584106E-8 2.834574334881395E-10 3.671555315836462E-9 -1.287724448631559E-11
node 4.956696437102232E-13 -1.386073971616053E-12 2.834574334881395E-10 4.243874422508431E-9 -4.095185592571052E-9 -8.089233935070907E-11
peri 1.631295229424222E-12 -4.355532080885477E-12 3.671555315836462E-9 -4.095185592571052E-9 4.963281897613336E-9 7.481437463789588E-11
i -4.668069225080913E-14 1.336966345322854E-13 -1.287724448631559E-11 -8.089233935070907E-11 7.481437463789588E-11 2.816696708396132E-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 16.25   n/a E2021B25  
diameter diameter 3.552 km 0.298 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

306977 (2001 VB82)          Discovered 2001-Nov-15 by Pravec, P., Kusnirak, P. at Ondrejov
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1981-Feb-18 05:12 00:03 Psych 0.0295026563891225 0.0294732002662612 0.0295321155600551 3.69000069770668 3.69000058656791 2444653.716821584 3.2012883835825 1542.27078767932 134.934481014707 -17.9917671763735 10451.4092985148 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 06:01:21 2021-Apr-14 06:01
2150-Jul-31 06:21 00:13 Eunom 0.0406528272770065 0.0406266067444652 0.0406796819746038 3.69766958584522 3.69766949246067 2506542.764471513 13.0417737711254 8142.00008188344 127.460909914477 -80.7085282252888 47029.8789903949 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 06:01:21 2021-Apr-14 06:01
2151-Jul-17 07:10 00:13 Thisb 0.030653457159949 0.0305507859083917 0.030756715971314 2.04288365611428 2.04288354723339 2506893.798446658 13.193537120985 8420.95596667757 121.753136793914 -52.5132323623053 29824.1481993372 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 06:01:21 2021-Apr-14 06:01
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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