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65970 (1998 HB22)
Classification: Main-belt Asteroid          SPK-ID: 2065970
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638213046898205 5.0827e-08  
a 2.222834021248053 8.5588e-09 au
q 1.858686451778277 1.1246e-07 au
i 6.630112070405181 5.4008e-06 deg
node 213.2524771529658 3.2853e-05 deg
peri 10.8800961975153 3.4759e-05 deg
M 225.365159090117 1.1349e-05 deg
tp 2459453.203591947549
(2021-Aug-26.70359195)
3.8913e-05 TDB
period 1210.483794534306
3.31
6.9913e-06
1.914e-08
d
yr
n .2974017509573504 1.7177e-09 deg/d
Q 2.58698159071783 9.9609e-09 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7901 days (21.63 yr)  
   first obs. used      1998-03-29  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55083  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:57:44  

Additional Information
 Earth MOID = .850452 au 
 Jupiter MOID = 2.39134 au 
 T_jup = 3.622 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457195.5 (2015-Jun-22.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637366155025536 5.0838e-08  
q 1.85880630558474 1.1246e-07 au
tp 2457032.633631037594
(2015-Jan-10.13363104)
3.6962e-05 TDB
node 213.2634301524088 3.2849e-05 deg
peri 10.92254632459581 3.4759e-05 deg
i 6.630098271729486 5.4011e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7901 days (21.63 yr)  
   first obs. used      1998-03-29  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55083  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:57:44  

Additional Information
 Jupiter MOID = 2.39134 au 
 T_jup = 3.622 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.584502072566986E-15 -5.705607240214216E-15 -7.485028295519517E-14 2.618391161838526E-14 -9.44677563550167E-14 9.864469712095327E-16
q -5.705607240214216E-15 1.26467183177698E-14 1.539565520610375E-13 -5.772955524577485E-14 2.06356437467051E-13 -1.838229646860292E-15
tp -7.485028295519517E-14 1.539565520610375E-13 1.366182096057367E-9 -9.735969748453639E-12 4.274005862811203E-10 -3.141147153808645E-12
node 2.618391161838526E-14 -5.772955524577485E-14 -9.735969748453639E-12 1.079066745960557E-9 -1.074436841418211E-9 2.704955228453079E-11
peri -9.44677563550167E-14 2.06356437467051E-13 4.274005862811203E-10 -1.074436841418211E-9 1.208208383730411E-9 -2.77468626133191E-11
i 9.864469712095327E-16 -1.838229646860292E-15 -3.141147153808645E-12 2.704955228453079E-11 -2.77468626133191E-11 2.917210746543557E-11

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 16.1   n/a MPO436241  

65970 (1998 HB22)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HB22 = 2001 BN50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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