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100207 (1994 HB1)
Classification: Main-belt Asteroid          SPK-ID: 2100207
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1256977233091904 4.0197e-08  
a 2.372380837741416 9.7941e-09 au
q 2.07417796761497 9.6441e-08 au
i 4.168108558578418 4.3186e-06 deg
node 194.8679108639342 5.4219e-05 deg
peri 202.0166417524436 5.6966e-05 deg
M 273.4451858371359 2.0143e-05 deg
tp 2459521.395602462128
(2021-Nov-02.89560246)
7.5911e-05 TDB
period 1334.673501453029
3.65
8.2651e-06
2.263e-08
d
yr
n .2697288884570467 1.6703e-09 deg/d
Q 2.670583707867862 1.1025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      9613 days (26.32 yr)  
   first obs. used      1994-04-19  
   last obs. used      2020-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:06  

Additional Information
 Earth MOID = 1.08058 au 
 Jupiter MOID = 2.72916 au 
 T_jup = 3.530 
[ 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 16.44   n/a E2021B55  

100207 (1994 HB1)          Discovered 1994-Apr-19 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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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
2046-Aug-19 01:09 00:01 Iris 0.0383394347260982 0.0383324637520294 0.0383464057662583 2.51164694804244 2.5116468883432 2468576.548123803 1.24750743540196 356.049659681326 44.8804457807065 -13.0086799540623 32723.1111251609 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 15:31:08 2021-Apr-13 15:31
2107-Mar-28 01:56 < 00:01 Amphi 0.0405990086769727 0.0405981869939422 0.0405998324679304 3.17801492702996 3.17801488247442 2490711.580498273 0.815716445560021 792.916917923116 33.3323540181999 -88.273231894773 181979.341613567 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 15:31:08 2021-Apr-13 15:31

Alternate Designations
 1994 HB1 = 1994 JY1 = 1999 WE3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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