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3291 Dunlap (1982 VX3)
Classification: Main-belt Asteroid          SPK-ID: 2003291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .103566204506758 3.406e-08  
a 3.150536699631644 1.5262e-08 au
q 2.824247571491547 1.1137e-07 au
i 2.005500226811197 3.9664e-06 deg
node 151.2480473296179 9.0108e-05 deg
peri 162.1371481133674 9.2057e-05 deg
M 347.4418176300326 1.7424e-05 deg
tp 2459071.752404726813
(2020-Aug-10.25240473)
9.8718e-05 TDB
period 2042.561968441883
5.59
1.4842e-05
4.064e-08
d
yr
n .1762492426482497 1.2807e-09 deg/d
Q 3.476825827771742 1.6843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2627  
   data-arc span      24500 days (67.08 yr)  
   first obs. used      1953-10-01  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:01:31  

Additional Information
 Earth MOID = 1.81032 au 
 Jupiter MOID = 1.77041 au 
 T_jup = 3.199 
[ 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 12.7   n/a MPO473811  
diameter diameter 22.496 km 2.454 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.051   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3291 Dunlap (1982 VX3)          Discovered 1982-Nov-14 by Kosai, H. and Hurukawa, K. at Kiso Station
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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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
1967-Apr-21 18:03 00:01 Jupiter 1.87898774903056 1.87898736891206 1.87898812914906 2.62619656852711 2.44853735901005 2439602.251872041 1.10078295568555 45.8758624083455 10.3667152360015 -84.2996033653212 3848782.06468519 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 04:01:39 2020-Nov-13 04:01
1977-Nov-06 14:24 < 00:01 Jupiter 1.81147822137747 1.81147793425724 1.81147850849769 2.69813610998475 2.51888184302267 2443454.100241351 0.850656313516791 37.9039538974453 8.16413029134976 84.9757747461815 4689447.45857196 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 04:01:39 2020-Nov-13 04:01
1988-May-18 19:14 < 00:01 Jupiter 1.89081328976931 1.89081296402358 1.89081361551494 3.44820467611603 3.31574741156308 2447300.301105748 0.599382071278784 37.5557058197224 12.3847487926592 87.2950318852655 4569276.3582264 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 04:01:39 2020-Nov-13 04:01
2062-Sep-24 12:58 00:01 Jupiter 1.93034385400777 1.93034339960747 1.93034430840807 2.73823086232968 2.57299845880586 2474457.040030438 1.11334756560911 54.0682428667232 11.1077829370857 -81.8720860512539 3523634.11792244 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 04:01:39 2020-Nov-13 04:01
2073-Apr-16 06:37 00:01 Jupiter 1.82605574998389 1.82605547354287 1.8260560264248 2.60889591241324 2.42458876948375 2478313.775854113 1.41212705701488 39.6803635534296 7.2721952175658 88.6669701691621 4318317.10620954 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 04:01:39 2020-Nov-13 04:01
2083-Oct-29 17:24 00:02 Jupiter 1.85950833645803 1.85950784020007 1.85950883271621 3.15422029709043 3.00634129296295 2482162.224841304 1.67981855537278 59.3374288892229 12.3223998172639 -81.1419311931747 3418774.89063605 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 04:01:39 2020-Nov-13 04:01
2158-Mar-02 00:32 00:03 Jupiter 1.98802749771056 1.9880265566628 1.98802843876137 2.89702090028993 2.74601648854897 2509313.522130304 3.2639315011924 148.502342228037 12.6213362325014 -78.1746623976694 3521283.80700233 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 04:01:39 2020-Nov-13 04:01
2168-Sep-25 09:48 00:04 Jupiter 1.85280006644824 1.85279957376003 1.85280055913729 2.58711199331437 2.40392019658636 2513173.908507103 3.6237540847514 95.3420566971963 10.4144169316265 -79.6940215536295 4157816.73842251 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 04:01:39 2020-Nov-13 04:01
2179-Apr-12 16:10 00:04 Jupiter 1.83990631426003 1.83990578753851 1.83990684098177 2.906359715597 2.74339265675135 2517025.173743275 3.94528888271575 65.5730885184913 9.17574045226414 -87.3324881021063 2637460.75898141 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 04:01:39 2020-Nov-13 04:01
2189-Oct-28 03:39 00:04 Jupiter 1.94854015188541 1.9485390254305 1.94854127834586 3.80459009750144 3.68856529107793 2520876.652120827 4.13295874440377 186.032541636652 14.7910946373771 -77.1466809704654 4035511.59631568 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 04:01:39 2020-Nov-13 04:01

Alternate Designations
 1982 VX3 = 1974 HE2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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