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295396 (2008 JW7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2295396
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1581070694688264 5.4454e-08  
a 3.965458568937838 6.8887e-08 au
q 3.33849153550303 2.4299e-07 au
i 9.570782375071538 7.5558e-06 deg
node 150.5996018365109 3.7212e-05 deg
peri 272.1617555297258 4.5588e-05 deg
M 12.50992551127697 2.4294e-05 deg
tp 2459100.271605211423
(2020-Sep-07.77160521)
0.00019429 TDB
period 2884.287527640477
7.90
7.5157e-05
2.058e-07
d
yr
n .1248141860165037 3.2523e-09 deg/d
Q 4.592425602372646 7.9778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      5480 days (15.00 yr)  
   first obs. used      2006-01-09  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:58:43  

Additional Information
 Earth MOID = 2.37046 au 
 Jupiter MOID = .985699 au 
 T_jup = 3.012 
[ 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 14.6   n/a MPO455183  
diameter diameter 7.546 km 0.814 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.045   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

295396 (2008 JW7)          Discovered 2008-May-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
1919-Jul-30 21:51 00:04 Jupiter 1.82062876239341 1.82062766989114 1.82062985489836 4.26126857746872 4.15065505309974 2422170.410742738 4.15925300739249 159.002935546808 32.3517426672617 75.1950731464676 2708279.74983626 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 14:58:44 2021-Feb-24 14:58
1942-Nov-10 22:37 00:04 Jupiter 1.84719724212411 1.8471964011879 1.84719808306147 4.2785799690056 4.17003083198702 2430674.442226794 4.44656643492502 122.326617899543 28.8534872904964 76.5748483802111 3091940.12644146 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 14:58:44 2021-Feb-24 14:58
1966-Feb-19 10:38 00:04 Jupiter 1.85638879561463 1.85638801981446 1.85638957141502 4.24041667830522 4.13141440510732 2439175.942740163 3.92996650903986 81.0012749655666 31.3126405987714 75.5269193785282 2914586.36447957 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 14:58:44 2021-Feb-24 14:58
1989-Jun-20 21:13 00:03 Jupiter 1.83499615291632 1.83499522753401 1.83499707829873 4.13947556726447 4.02642157916681 2447698.383747366 2.52373153348859 72.1965726810723 33.4161983772438 65.0691562532382 2446814.04367882 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 14:58:44 2021-Feb-24 14:58
2012-Dec-09 16:02 < 00:01 Jupiter 1.81462505545354 1.81462416960019 1.814625941307 4.0700473733997 3.95369885343594 2456271.168146890 0.547910908538721 68.698070208073 33.8189156011265 66.981092516279 2565789.20650329 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 14:58:44 2021-Feb-24 14:58
2036-Jul-29 06:58 00:02 Jupiter 1.80298928466177 1.80298849276434 1.8029900765593 4.03627220810952 3.91815231654184 2464903.790582772 1.97484878553674 77.2386547489278 32.1756613824218 74.9427389041698 2915158.89352751 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 14:58:44 2021-Feb-24 14:58
2060-May-07 05:00 00:04 Jupiter 1.79714222553603 1.79714142582626 1.79714302524611 4.01432320093939 3.89514544783333 2473586.708039224 3.69978898765687 93.5073036931952 31.1364178881199 76.1135828638567 2997149.48806561 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 14:58:44 2021-Feb-24 14:58
2084-Mar-15 17:29 00:04 Jupiter 1.80289829783993 1.8028974945135 1.80289910116677 4.01417675559101 3.89538083443022 2482300.228231288 4.44208124230475 93.1655479581155 31.2922495539608 75.9066312329977 3009068.71255485 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 14:58:44 2021-Feb-24 14:58
2108-Jan-13 20:24 00:04 Jupiter 1.80312019124035 1.80311938283141 1.8031209996496 3.99732162945874 3.87802432434755 2491003.349707089 4.18085544302566 86.9856823745837 31.3811687970874 74.6117680271323 2986307.67423873 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 14:58:44 2021-Feb-24 14:58
2131-Oct-06 04:25 00:03 Jupiter 1.81307665699953 1.81307577523631 1.81307753876296 4.02412204014009 3.90630387033261 2499669.684351586 3.44804183216738 84.2632757841229 34.8473113843512 73.3850002750517 2668305.15713282 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 14:58:44 2021-Feb-24 14:58
2155-Apr-30 10:22 00:03 Jupiter 1.83645105039026 1.83645003547539 1.83645206530513 4.12736671559969 4.01406279794076 2508276.932234848 3.32549121217497 93.6360758061392 44.7804447046746 81.0981424781587 2112218.16097526 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 14:58:44 2021-Feb-24 14:58
2178-Sep-25 18:47 00:04 Jupiter 1.85771027538919 1.85770930885632 1.85771124192196 4.30093956541392 4.19358816131109 2516826.282690667 3.93265445863174 127.289924967735 43.6218213537788 86.2746711130633 2134613.39373692 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 14:58:44 2021-Feb-24 14:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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