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4365 Ivanova (1978 VH8)
Classification: Main-belt Asteroid          SPK-ID: 2004365
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05509328634054427 3.3671e-08  
a 2.852890386595601 1.0843e-08 au
q 2.695715279628704 9.8951e-08 au
i 1.042212800498565 3.3868e-06 deg
node 244.6231342073648 0.00022405 deg
peri 55.07624504812895 0.00022682 deg
M 349.8087565471349 3.5112e-05 deg
tp 2459050.325392756954
(2020-Jul-19.82539276)
0.00017165 TDB
period 1760.054253974338
4.82
1.0034e-05
2.747e-08
d
yr
n .2045391493967258 1.1661e-09 deg/d
Q 3.010065493562498 1.144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2504  
   data-arc span      24525 days (67.15 yr)  
   first obs. used      1953-09-06  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45837  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:52:10  

Additional Information
 Earth MOID = 1.68018 au 
 Jupiter MOID = 2.10193 au 
 T_jup = 3.302 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456676.5 (2014-Jan-19.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05357172908794994 3.394e-08  
q 2.696966247991631 9.9287e-08 au
tp 2457302.749732037909
(2015-Oct-07.24973204)
0.00017585 TDB
node 244.672223982127 0.00022393 deg
peri 57.20960662508983 0.00022681 deg
i 1.04249272069257 3.3897e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2504  
   data-arc span      24525 days (67.15 yr)  
   first obs. used      1953-09-06  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45837  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:52:10  

Additional Information
 Jupiter MOID = 2.10193 au 
 T_jup = 3.302 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.151934870744217E-15 -3.352948936631615E-15 1.446732705602251E-12 2.205458333856338E-16 3.041888812795318E-13 -2.936114340977961E-17
q -3.352948936631615E-15 9.857928099422856E-15 -4.353594670760498E-12 -2.120806200370564E-15 -9.206085508381727E-13 8.885665764292964E-17
tp 1.446732705602251E-12 -4.353594670760498E-12 3.092366777989875E-8 8.870630663472024E-12 6.359605040794656E-9 -1.832472517529089E-13
node 2.205458333856338E-16 -2.120806200370564E-15 8.870630663472024E-12 5.014443031285814E-8 -5.01342481689541E-8 -6.720240793289186E-11
peri 3.041888812795318E-13 -9.206085508381727E-13 6.359605040794656E-9 -5.01342481689541E-8 5.144325417235795E-8 6.71521237320129E-11
i -2.936114340977961E-17 8.885665764292964E-17 -1.832472517529089E-13 -6.720240793289186E-11 6.71521237320129E-11 1.149028485364569E-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 12.6   n/a MPO256896  
diameter diameter 7.389 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.84 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.324   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4365 Ivanova (1978 VH8)          Discovered 1978-Nov-07 by Helin and Bus at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 VH8 = 1963 TH = 1977 RV8 = 1980 FQ9 = 1982 UD = 1987 SD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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