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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05457068596119615 1.5619e-08  
a 2.851038023031793 1.0417e-08 au
q 2.695454922413495 4.5177e-08 au
i 1.041631330047045 6.7884e-07 deg
node 244.5503628066018 3.1353e-05 deg
peri 54.48264192296772 4.4042e-05 deg
M 31.34549390745567 2.0086e-05 deg
tp 2459047.399870702315
(2020-Jul-16.89987070)
9.8185e-05 TDB
period 1758.340344225907
4.81
9.6367e-06
2.638e-08
d
yr
n .2047385201517893 1.1221e-09 deg/d
Q 3.00662112365009 1.0985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2595  
   data-arc span      24594 days (67.33 yr)  
   first obs. used      1953-09-06  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:15:36  

Additional Information
 Earth MOID = 1.67788 au 
 Jupiter MOID = 2.10151 au 
 T_jup = 3.303 
[ 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 12.69   n/a MPCxxxxx  
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. 2020-October); 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.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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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