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3978 Klepesta (1983 VP1)
Classification: Main-belt Asteroid          SPK-ID: 2003978
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .004281428936919065 3.4058e-08  
a 2.881567350605682 1.5501e-08 au
q 2.869230124767118 9.4992e-08 au
i 12.16570032717867 4.6396e-06 deg
node 242.4010291723806 1.7597e-05 deg
peri 216.5632607725692 0.00056539 deg
M 125.3117938916118 0.00056498 deg
tp 2458378.584994741665
(2018-Sep-17.08499474)
0.0028035 TDB
period 1786.658661088623
4.89
1.4416e-05
3.947e-08
d
yr
n .2014934401519368 1.6258e-09 deg/d
Q 2.893904576444247 1.5567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2566  
   data-arc span      20256 days (55.46 yr)  
   first obs. used      1965-01-01  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:04:12  

Additional Information
 Earth MOID = 1.87872 au 
 Jupiter MOID = 2.13828 au 
 T_jup = 3.261 
[ 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 11.9   n/a MPO473820  
diameter diameter 29.223 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.054   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3978 Klepesta (1983 VP1)          Discovered 1983-Nov-07 by Vavrova, Z. at Klet
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
2181-Dec-19 01:34 00:21 Iris 0.0487551190421603 0.0487520308489458 0.0487582136156646 3.0362261873955 3.03622614856091 2518006.565114067 21.2582314211726 921.460211229258 39.1384994263482 -80.68767015052 183729.603737628 T 32 CATAB v2.0f-lin.ifort 2020-Jun-23 16:04:24 2020-Jun-23 16:04

Alternate Designations
 1983 VP1 = 1965 AN = 1976 JF7 = 1978 TX5 = 1985 BE2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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