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78438 (2002 RR6)
Classification: Main-belt Asteroid          SPK-ID: 2078438
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 .119853689160673 3.3566e-08  
a 2.74529378197505 1.6306e-08 au
q 2.416260194375484 9.7596e-08 au
i 8.519898511365659 4.9713e-06 deg
node 326.9131903050259 2.4973e-05 deg
peri 105.0293601631766 3.3674e-05 deg
M 247.4875173262305 2.3619e-05 deg
tp 2459519.754027253290
(2021-Nov-01.25402725)
0.00011084 TDB
period 1661.428539917594
4.55
1.4802e-05
4.053e-08
d
yr
n .2166810015300784 1.9305e-09 deg/d
Q 3.074327369574616 1.826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      8029 days (21.98 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:41  

Additional Information
 Earth MOID = 1.44808 au 
 Jupiter MOID = 2.18783 au 
 T_jup = 3.322 
[ 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 14.9   n/a MPO296677  

78438 (2002 RR6)          Discovered 2002-Sep-01 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
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
1926-Sep-17 07:23 00:03 Amphi 0.0392200006534664 0.039213572910477 0.0392264379276809 1.53248592814914 1.53248583250266 2424775.807659031 3.10078013484023 1016.79382853404 30.8462639869134 71.7632027161509 180040.053104583 T 18 CATAB v2.0f-lin.ifort 2020-Dec-18 04:12:44 2020-Dec-18 04:12
2004-May-17 05:32 < 00:01 Hebe 0.0251763676181614 0.0251755780662557 0.0251771571863424 7.54310778518322 7.54310775244808 2453142.730733242 0.437477016119161 91.8168896478528 36.3351390705932 -79.6524457038471 102214.776760708 T 18 CATAB v2.0f-lin.ifort 2020-Dec-18 04:12:44 2020-Dec-18 04:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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