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JPL Small-Body Database Browser
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2135 Aristaeus (1977 HA)
Classification: Apollo [NEO, PHA]          SPK-ID: 2002135
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5030199230607901 1.3051e-06  
a 1.599549944570368 7.9821e-08 au
q .7949444545206902 2.0683e-06 au
i 23.06062484661608 5.3731e-05 deg
node 191.210110575848 0.00035004 deg
peri 290.8600010942619 0.00016046 deg
M 308.1122855927169 0.0007188 deg
tp 2458707.001855621020
(2019-Aug-11.50185562)
0.0014832 TDB
period 738.9161087848124
2.02
5.531e-05
1.514e-07
d
yr
n .487200097169406 3.6469e-08 deg/d
Q 2.404155434620045 1.1997e-07 au
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      15028 days (41.14 yr)  
   first obs. used      1977-04-17  
   last obs. used      2018-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .55762  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jul-01 06:38:03  

Additional Information
 Earth MOID = .0101968 au 
 Jupiter MOID = 2.95636 au 
 T_jup = 4.135 
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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 17.94   n/a PDS3 (MPC 17264)  

2135 Aristaeus           Discovered 1977 Apr. 17 by E. F. Helin and S. J. Bus at Palomar.
This Apollo object is named for the son of Apollo and the nymph Cyrene.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5014Last Updated: 2006-03-21

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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