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(2012 HM13)
Classification: Apollo [NEO]          SPK-ID: 3602836
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .602953426669713 0.00060321  
a 2.165631826677781 0.003047 AU
q .8598566958774229 9.7201e-05 AU
i 4.903130302171019 0.0037336 deg
node 210.2687206672026 0.00027769 deg
peri 307.523707075286 0.0018369 deg
M 309.285214632536 0.65692 deg
tp 2457164.486258027768
(2015-May-21.98625803)
2.4702 JED
period 1164.059996749399
3.19
2.4567
0.006726
d
yr
n .309262410017773 0.0006527 deg/d
Q 3.471406957478139 0.0048843 AU
  Orbit Determination Parameters
   # obs. used (total)      10  
   data-arc span      2 days  
   first obs. used      2012-04-21  
   last obs. used      2012-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      7  
   fit RMS      .53259  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 15:53:50  

Additional Information
 Earth MOID = .00116237 AU 
 T_jup = 3.428 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 28.1 mag n/a MPO229029  

[ 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
2012-Apr-19 06:24 < 00:01 Moon 0.00383406550237187 0.00382888019354997 0.00383925227991842 13.7478834780091 13.7472617030588 2456036.766686834 0.869760624830515 270.261347357455 26.4652827760974 -10.1055031575116 4218.19029802994 T 3 CATAB v2.0c-linF95 2014-Jun-13 15:53:53 2014-Jun-13 15:53
2012-Apr-19 11:41 < 00:01 Earth 0.00187742087733098 0.00187237315973946 0.00188247113908545 13.051860047628 12.9426660401082 2456036.986558672 0.825245106238024 264.852469889656 5.57081676683441 -0.337970848695438 786.610079714104 T 3 CATAB v2.0c-linF95 2014-Jun-13 15:53:53 2014-Jun-13 15:53
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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