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4540 Oriani (1988 VY1)
Classification: Main-belt Asteroid          SPK-ID: 2004540
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757079801916993 3.8925e-08  
a 2.666552494161035 9.2996e-09 au
q 2.198017941336861 1.0573e-07 au
i 6.353178227441411 3.4738e-06 deg
node 246.5536168561462 3.7396e-05 deg
peri 260.709839145425 3.8959e-05 deg
M 51.97193621991872 1.0144e-05 deg
tp 2458970.890406635790
(2020-May-01.39040664)
4.4659e-05 TDB
period 1590.463231181975
4.35
8.3201e-06
2.278e-08
d
yr
n .2263491496955016 1.1841e-09 deg/d
Q 3.135087046985209 1.0934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2750  
   data-arc span      21292 days (58.29 yr)  
   first obs. used      1962-12-03  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:42:14  

Additional Information
 Earth MOID = 1.22041 au 
 Jupiter MOID = 1.94031 au 
 T_jup = 3.352 
[ 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 12.65   n/a E2021B10  
diameter diameter 14.936 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 30.416 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.087   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4540 Oriani (1988 VY1)          Discovered 1988-Nov-06 by Oss. San Vittore at Bologna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 VY1 = 1962 XE1 = 1968 DF = 1975 WL = 1977 FH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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