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7096 Napier (1992 VM)
Classification: Mars-crossing Asteroid          SPK-ID: 2007096
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5022042127113828 2.0682e-08  
a 2.7783661168249 9.1917e-09 au
q 1.383058948500869 5.6121e-08 au
i 11.15013087308869 5.2779e-06 deg
node 146.5026460318516 1.5304e-05 deg
peri 257.9817855382195 1.7003e-05 deg
M 67.46012919221396 4.6726e-06 deg
tp 2459079.523324895285
(2020-Aug-18.02332490)
2.2281e-05 TDB
period 1691.54142460296
4.63
8.3942e-06
2.298e-08
d
yr
n .2128236381113158 1.0561e-09 deg/d
Q 4.173673285148931 1.3808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      13583 days (37.19 yr)  
   first obs. used      1984-04-01  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49239  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 15:22:15  

Additional Information
 Earth MOID = .448612 au 
 Jupiter MOID = 1.49215 au 
 T_jup = 3.113 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457412.5 (2016-Jan-25.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5041941488488951 2.2529e-08  
q 1.375684339842488 6.2645e-08 au
tp 2457377.858511156542
(2015-Dec-21.35851116)
2.1407e-05 TDB
node 148.7032567863094 1.5235e-05 deg
peri 254.9627755368604 1.6886e-05 deg
i 11.22570951951618 5.2847e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      13583 days (37.19 yr)  
   first obs. used      1984-04-01  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49239  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 15:22:15  

Additional Information
 Jupiter MOID = 1.49215 au 
 T_jup = 3.113 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.075775452365031E-16 -1.409094384902386E-15 -2.01123381561994E-13 1.682255030998914E-14 -8.661113815256889E-14 -1.542336620223302E-14
q -1.409094384902386E-15 3.924360177473296E-15 5.815507733627498E-13 -4.915052581737851E-14 2.502297934232932E-13 4.49607590790915E-14
tp -2.01123381561994E-13 5.815507733627498E-13 4.582683804824868E-10 -2.734172159264409E-11 1.669707607088555E-10 9.74675192914576E-12
node 1.682255030998914E-14 -4.915052581737851E-14 -2.734172159264409E-11 2.320900284831813E-10 -2.341049501796945E-10 -6.450146460128677E-12
peri -8.661113815256889E-14 2.502297934232932E-13 1.669707607088555E-10 -2.341049501796945E-10 2.851337429099037E-10 7.361442707793046E-12
i -1.542336620223302E-14 4.49607590790915E-14 9.74675192914576E-12 -6.450146460128677E-12 7.361442707793046E-12 2.792858133961506E-11

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 15.16   n/a E2021B10  
diameter diameter 5.59 km 0.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
geometric albedo albedo 0.0428   0.007 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3

7096 Napier (1992 VM)          Discovered 1992-Nov-03 by McNaught, R. H. at Siding Spring
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
1932-Oct-29 12:09 < 00:01 Earth 0.445724334080007 0.445723777049372 0.445724891118419 3.0885046784956 3.08656855125462 2427010.006503202 0.399551210870497 120.197217350714 16.9136441043841 79.2268408787534 1756729.01888798 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
1935-Feb-16 11:19 < 00:01 Jupiter 1.47508863678041 1.4750879102285 1.4750893633335 2.5287856760377 2.29048486311499 2427849.971681401 0.599625101095544 82.6095314810588 24.1848921222944 70.891750694028 7820990.51028516 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
1957-Dec-13 23:19 < 00:01 Jupiter 1.90519381699775 1.90519255251502 1.90519508148091 2.43455134610972 2.24451960191959 2436186.471526332 0.820616900548866 134.455206706735 69.5037353148852 -80.2240362356214 5020352.80092627 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
1969-Nov-03 03:01 < 00:01 Earth 0.433472571771202 0.433472011521996 0.433473132022527 2.58555801109454 2.58317954892378 2440528.625419730 0.267806038721221 68.9907627155602 18.2869201493234 71.2567927393101 1498762.25629549 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
1992-Oct-23 15:47 < 00:01 Earth 0.428681163605407 0.428680830997337 0.428681496215427 3.24119215654133 3.23927392198706 2448919.157313982 0.130782881342687 54.7718202112365 8.14898440985332 -74.5676130323455 2098824.84379929 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
2018-Apr-24 19:48 < 00:01 Jupiter 1.4877867798657 1.48778602490829 1.48778753482397 2.47158499612232 2.22937168671145 2458233.325159280 0.19665943662896 72.5201501548846 23.5059169077231 65.2760289061902 5939777.75595967 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
2029-Oct-21 07:11 < 00:01 Earth 0.465180137161433 0.465179812811389 0.465180461513963 2.96068580564164 2.95875053888994 2462430.799335061 0.102170601547848 60.7160964193056 6.37854718692124 -75.7924437109964 1912365.65252377 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
2041-Mar-05 02:38 < 00:01 Jupiter 1.82956082389875 1.82955957148395 1.82956207631406 2.4379686431943 2.24003598892608 2466583.609864749 0.631477668065242 127.733984364158 68.2108427808054 -78.1282964474059 5482488.21631615 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
2066-Nov-21 09:20 < 00:01 Earth 0.490897663170654 0.490896006892129 0.490899319459335 0.895867445377627 0.88978814376905 2475975.889218523 0.443889796956916 141.758569271636 21.8120875375087 -54.3061268833377 864006.121410325 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
2089-Oct-29 11:13 < 00:01 Earth 0.439413852840023 0.439413452455472 0.439414253238411 2.21440407898222 2.2116640793106 2484353.967618862 0.418638250768717 146.534836032584 10.7062606484191 -83.5605815566274 1529568.16402058 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
2101-Jun-28 09:00 < 00:01 Jupiter 1.50688534438496 1.50688441969928 1.50688626907115 2.43469995639621 2.1917027351743 2488612.875000682 0.581015074830321 70.1571828099229 20.3029743484262 57.0582432720788 3768389.00928679 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
2124-May-19 21:07 00:01 Jupiter 1.77701953316026 1.77701761804261 1.77702144828154 2.43500306655853 2.23067994381013 2496974.379635726 1.22085931450943 190.951461475756 67.3298831834045 -65.6847093075095 4752926.22328804 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
2126-Oct-18 21:05 < 00:01 Earth 0.491006080091978 0.49100304203296 0.491009118429208 2.66198152064677 2.65994219379554 2497856.378505924 0.702555643225385 602.907297594453 6.48554094864754 -75.509875170858 1661072.98956787 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
2184-Sep-07 05:02 00:01 Jupiter 1.53412482840301 1.53412347338427 1.53412618342183 2.39302034323288 2.14995450962119 2518999.709867217 1.13037966674674 76.5487588270767 20.3249040009552 43.8417584687184 2377958.42222159 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
2186-Oct-31 20:08 < 00:01 Earth 0.462683812387556 0.462682281264095 0.462685343622506 1.35396868611375 1.34970874917017 2519784.338738141 0.861052081135006 369.480598519761 9.81605317328815 -78.7825406024086 1104514.10525745 T 35 CATAB v2.0g-lin.ifort 2021-Jul-08 15:22:25 2021-Jul-08 15:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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