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85517 (1997 VL1)
Classification: Main-belt Asteroid          SPK-ID: 2085517
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517787936571127 3.3785e-08  
a 2.349694755249846 7.244e-09 au
q 1.99306091983558 7.8481e-08 au
i 6.61487168348172 3.9297e-06 deg
node 41.0628914683377 3.1993e-05 deg
peri 50.03293911989908 3.5733e-05 deg
M 56.03679312904514 1.3719e-05 deg
tp 2458795.720550631827
(2019-Nov-08.22055063)
5.0188e-05 TDB
period 1315.574958095364
3.60
6.0838e-06
1.666e-08
d
yr
n .2736446127867875 1.2655e-09 deg/d
Q 2.706328590664112 8.3435e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1235  
   data-arc span      8214 days (22.49 yr)  
   first obs. used      1997-10-22  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53152  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:37:21  

Additional Information
 Earth MOID = 1.01673 au 
 Jupiter MOID = 2.50021 au 
 T_jup = 3.534 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457194.5 (2015-Jun-21.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1506773869675426 3.3707e-08  
q 1.996078322495425 7.8206e-08 au
tp 2457480.160039759726
(2016-Apr-01.66003976)
5.1635e-05 TDB
node 41.08068511334957 3.2001e-05 deg
peri 50.10466694335378 3.5809e-05 deg
i 6.614093385403118 3.9282e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1235  
   data-arc span      8214 days (22.49 yr)  
   first obs. used      1997-10-22  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53152  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:37:21  

Additional Information
 Jupiter MOID = 2.50021 au 
 T_jup = 3.534 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.136128478955567E-15 -2.628133654615081E-15 -2.067103201867112E-13 3.809497115811518E-15 -8.348622864518724E-14 -3.719717246096549E-15
q -2.628133654615081E-15 6.116115061780552E-15 4.239662280926032E-13 -9.101137333401638E-15 1.747354346603275E-13 8.807056209322202E-15
tp -2.067103201867112E-13 4.239662280926032E-13 2.666218262506826E-9 3.35901002020153E-12 8.399873520545307E-10 -2.045245972497335E-12
node 3.809497115811518E-15 -9.101137333401638E-15 3.35901002020153E-12 1.024035947565794E-9 -1.015813705633615E-9 1.350279564519325E-12
peri -8.348622864518724E-14 1.747354346603275E-13 8.399873520545307E-10 -1.015813705633615E-9 1.282313965961417E-9 -1.949639563639422E-12
i -3.719717246096549E-15 8.807056209322202E-15 -2.045245972497335E-12 1.350279564519325E-12 -1.949639563639422E-12 1.543048305579431E-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 15.2   n/a MPO348040  
diameter diameter 2.335 km 0.525 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.224   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85517 (1997 VL1)          Discovered 1997-Nov-01 by Urata, T. at Oohira
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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