Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05509328605972938 3.3677e-08  
a 2.852890387326005 1.1086e-08 au
q 2.695715281120001 9.9005e-08 au
i 1.042212356060115 3.5029e-06 deg
node 244.6231457754239 0.00022608 deg
peri 55.07623634968534 0.00022902 deg
M 349.8087533367678 3.6679e-05 deg
tp 2459050.325408471700
(2020-Jul-19.82540847)
0.00017933 TDB
period 1760.054254650258
4.82
1.0259e-05
2.809e-08
d
yr
n .2045391493181759 1.1923e-09 deg/d
Q 3.010065493532008 1.1697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2365  
   data-arc span      24441 days (66.92 yr)  
   first obs. used      1953-09-06  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46484  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:14:59  

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

[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-30 23:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin