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30294 (2000 HQ74)
Classification: Main-belt Asteroid          SPK-ID: 2030294
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .227531148375272 2.8009e-08  
a 2.352283468093627 7.7908e-09 au
q 1.817065709294117 6.5103e-08 au
i 3.574516876936926 3.7477e-06 deg
node 174.1307178503343 5.0182e-05 deg
peri 130.1539229425592 5.097e-05 deg
M 249.2131797092134 1.0501e-05 deg
tp 2459802.025817471249
(2022-Aug-10.52581747)
3.9672e-05 TDB
period 1317.749655658189
3.61
6.5466e-06
1.792e-08
d
yr
n .273193013903834 1.3572e-09 deg/d
Q 2.887501226893138 9.5634e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1612  
   data-arc span      12694 days (34.75 yr)  
   first obs. used      1986-08-05  
   last obs. used      2021-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51522  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:47:21  

Additional Information
 Earth MOID = .80401 au 
 Jupiter MOID = 2.37015 au 
 T_jup = 3.519 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.98   n/a MPCxxxxx  

30294 (2000 HQ74)          Discovered 2000-Apr-27 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 HQ74 = 1986 PC7 = 1986 PJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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