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46515 (1978 VW5)
Classification: Main-belt Asteroid          SPK-ID: 2046515
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109586229927495 4.0172e-08  
a 2.299746116115239 8.0792e-09 au
q 1.814594842226644 9.4723e-08 au
i 2.197967827527126 4.5547e-06 deg
node 214.7002142039407 9.5353e-05 deg
peri 120.3210727840634 9.5982e-05 deg
M 90.13964292356587 1.0687e-05 deg
tp 2458881.543394598235
(2020-Feb-02.04339460)
3.7229e-05 TDB
period 1273.849931289399
3.49
6.7127e-06
1.838e-08
d
yr
n .282607857611301 1.4892e-09 deg/d
Q 2.784897390003834 9.7836e-09 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      15447 days (42.29 yr)  
   first obs. used      1978-11-05  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:42  

Additional Information
 Earth MOID = .804176 au 
 Jupiter MOID = 2.59706 au 
 T_jup = 3.561 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.06   n/a E2021B10  
diameter diameter 2.824 km 0.730 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.080   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

46515 (1978 VW5)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1978 VW5 = 1999 XD81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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