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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 
[ show covariance matrix ]

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

[ hide close-approach data ]
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
2061-Aug-12 06:03 < 00:01 Psych 0.0225775634359976 0.0225712240833745 0.022583902901988 2.46701378717247 2.4670135699501 2474048.752168431 0.61883411578359 325.34165572591 47.6138924329173 14.4267501337137 20283.0630339784 T 24 CATAB v2.0f-lin.ifort 2020-Nov-13 03:52:17 2020-Nov-13 03:52
2104-Jul-19 01:55 < 00:01 Inter 0.024025898951565 0.0240191546610471 0.0240326471301928 5.43214236127415 5.43214224910642 2489729.580188753 0.496217232036555 589.158012395477 30.8109193793003 -55.3112971887307 95932.3673597976 T 24 CATAB v2.0f-lin.ifort 2020-Nov-13 03:52:17 2020-Nov-13 03:52

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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