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192197 (2007 HR4)
Classification: Main-belt Asteroid          SPK-ID: 2192197
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343805242558325 4.246e-08  
a 2.797651032693053 2.019e-08 au
q 2.42170122023489 1.2372e-07 au
i 5.128414421955 5.5037e-06 deg
node 166.1089457210418 4.3464e-05 deg
peri 117.9093977456806 4.8365e-05 deg
M 280.2801435811742 1.9189e-05 deg
tp 2459578.988550277438
(2021-Dec-30.48855028)
9.0982e-05 TDB
period 1709.18368673455
4.68
1.8502e-05
5.066e-08
d
yr
n .2106268640369435 2.2801e-09 deg/d
Q 3.173600845151217 2.2904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      8817 days (24.14 yr)  
   first obs. used      1997-03-11  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55454  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:19:44  

Additional Information
 Earth MOID = 1.40876 au 
 Jupiter MOID = 1.98917 au 
 T_jup = 3.307 
[ 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 15.98   n/a MPCxxxxx  

192197 (2007 HR4)          Discovered 2007-Apr-19 by Birtwhistle, P. at Great Shefford
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2007 HR4 = 2004 VM92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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