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227996 (2007 JM38)
Classification: Main-belt Asteroid          SPK-ID: 2227996
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07345774487371109 5.827e-08  
a 2.774415383743554 2.4508e-08 au
q 2.570613086310821 1.6489e-07 au
i 4.242800458607029 6.1371e-06 deg
node 198.6040897196035 8.544e-05 deg
peri 280.2214592628528 0.00010468 deg
M 77.98002242336041 5.4258e-05 deg
tp 2458834.874474439301
(2019-Dec-17.37447444)
0.00025664 TDB
period 1687.934744199572
4.62
2.2366e-05
6.123e-08
d
yr
n .2132783872345219 2.826e-09 deg/d
Q 2.978217681176287 2.6308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      8945 days (24.49 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:57  

Additional Information
 Earth MOID = 1.59075 au 
 Jupiter MOID = 2.08399 au 
 T_jup = 3.328 
[ 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 17.09   n/a E2021B55  

227996 (2007 JM38)          Discovered 2007-May-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ 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-Jul-04 03:04 00:04 Juno 0.0182198586413426 0.0181936173621314 0.0182461335858451 5.10105652696288 5.10105639606252 2426892.627550830 3.81077042900491 1800.66674119192 84.1886145010119 -43.4441107904051 22275.3431838896 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:58 2021-Apr-14 00:41
2062-May-07 01:33 00:04 Amphi 0.0307028876762063 0.0307002222936569 0.0307055688303566 3.25522945891445 3.25522940139534 2474316.564874943 4.18877637791128 1281.03313669388 67.8356166518469 84.8586272101347 67384.3289299034 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:58 2021-Apr-14 00:41
2085-Mar-06 15:02 00:03 Juno 0.0376424718485039 0.0376151825766121 0.037669779641281 5.25508629764454 5.25508623614272 2482656.126617375 2.91340394450223 1894.61015464679 83.2529893748383 44.1530399037299 47136.7866094701 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:58 2021-Apr-14 00:41
2125-Oct-22 08:17 00:05 Psych 0.0308513058563725 0.0308074861154401 0.0308951696250805 2.90254017889322 2.90254004377889 2497494.845373400 5.451292992311 2851.54515817188 105.038133714087 -40.1119031219409 28287.1281238897 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:58 2021-Apr-14 00:41
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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