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74549 (1999 JU80)
Classification: Main-belt Asteroid          SPK-ID: 2074549
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2277551597774541 4.3282e-08  
a 3.1043735533835 1.7746e-08 au
q 2.397336458723738 1.409e-07 au
i 15.32957806983626 4.4856e-06 deg
node 101.7661190560638 1.6212e-05 deg
peri 72.22940529097708 1.9426e-05 deg
M 351.2257538798733 9.3378e-06 deg
tp 2459049.193018880920
(2020-Jul-18.69301888)
5.1943e-05 TDB
period 1997.833951445854
5.47
1.7131e-05
4.69e-08
d
yr
n .1801951557282646 1.5451e-09 deg/d
Q 3.811410648043262 2.1788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1053  
   data-arc span      8196 days (22.44 yr)  
   first obs. used      1998-01-02  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50397  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:50:01  

Additional Information
 Earth MOID = 1.45604 au 
 Jupiter MOID = 1.51035 au 
 T_jup = 3.127 
[ 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 14.0   n/a MPO337819  
diameter diameter 4.552 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.235   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74549 (1999 JU80)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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
1901-Sep-08 18:15 00:03 Jupiter 1.99620046349731 1.99619756255165 1.99620336444456 4.4731263520963 4.37723938535482 2415636.260529119 3.0051980794628 178.585855343464 67.9651730279598 -43.8113714794377 1470956.55362065 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 23:50:20 2020-Jun-23 23:50
1953-Jun-09 02:35 00:02 Jupiter 1.96995071266076 1.96994935624035 1.96995206908687 4.20757011897915 4.10410811936148 2434537.607671599 1.78560028317229 206.037665221886 27.6458837140692 -75.5563663568076 1844706.84712628 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 23:50:20 2020-Jun-23 23:50
1962-Nov-07 01:47 00:02 Jupiter 1.50798550898359 1.50798484430422 1.50798617366416 2.15974696161038 1.88178747637385 2437975.573976827 1.69242605173 345.059634205609 97.2969334845866 84.2113746869491 815045.52837456 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 23:50:20 2020-Jun-23 23:50
2024-Aug-21 09:28 < 00:01 Jupiter 1.9545668491069 1.95456622867142 1.95456746954248 4.23917631525518 4.13568671504961 2460543.894317850 0.319498864569968 88.7285109031667 25.0982016197628 -82.1855446593712 2463493.98307925 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 23:50:20 2020-Jun-23 23:50
2034-Jan-30 05:11 < 00:01 Jupiter 1.52142836200657 1.52142768869719 1.52142903531647 1.87973424883283 1.55561687592929 2463992.716037033 0.919764401678749 333.198101147215 108.848632861445 -68.2672576095718 1081246.13711811 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 23:50:20 2020-Jun-23 23:50
2095-Nov-04 12:39 00:02 Jupiter 1.93876305133704 1.93876135478077 1.93876474790588 4.26867307851134 4.16506826365819 2486551.026752519 2.23890643265978 282.808341983319 26.4547644309188 -75.8747046697469 1980750.0957947 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 23:50:20 2020-Jun-23 23:50
2105-Apr-28 14:31 00:04 Jupiter 1.53451000124755 1.53450929786694 1.53451070462955 1.55819450010984 1.15065429079231 2490013.104606036 3.62284039652543 1563.55755636585 291.952334158475 -56.2660258484818 796533.719531019 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 23:50:20 2020-Jun-23 23:50
2167-Jan-14 08:32 00:04 Jupiter 1.9175737808606 1.91757042863291 1.91757713314814 4.26498205117937 4.16012504895468 2512553.855284141 4.48668687219541 575.757517179838 26.0908652316972 -75.4395454463928 2013541.36130735 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 23:50:20 2020-Jun-23 23:50
2176-Jul-25 07:32 00:07 Jupiter 1.5419772123614 1.54197653257441 1.54197789222097 1.20262744228399 0.58965586975542 2516033.814126489 7.27955471542445 32243.3804585965 233.504531704767 -65.1058985602626 10409996.2749983 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 23:50:20 2020-Jun-23 23:50

Alternate Designations
 1999 JU80 = 2002 VL40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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