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74714 (1999 RP157)
Classification: Main-belt Asteroid          SPK-ID: 2074714
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1425460040822379 3.4371e-08  
a 2.311890797503376 7.71e-09 au
q 1.982340002444771 8.0062e-08 au
i 7.606944974450945 3.841e-06 deg
node 134.1760745085978 2.4835e-05 deg
peri 195.4346015991174 2.8223e-05 deg
M 26.92155647903355 1.1577e-05 deg
tp 2459104.483235872257
(2020-Sep-11.98323587)
4.1339e-05 TDB
period 1283.953812733946
3.52
6.4229e-06
1.758e-08
d
yr
n .2803839175752323 1.4026e-09 deg/d
Q 2.641441592561981 8.8091e-09 au
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      9860 days (27.00 yr)  
   first obs. used      1994-01-10  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:58:51  

Additional Information
 Earth MOID = .970034 au 
 Jupiter MOID = 2.68446 au 
 T_jup = 3.559 
[ 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 16.16   n/a E2021B10  

74714 (1999 RP157)          Discovered 1999-Sep-09 by LINEAR at Socorro
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
2061-Jan-24 03:54 < 00:01 Hebe 0.0257749916379752 0.0257674677715357 0.0257825156083659 3.77494116669288 3.77494110280054 2473848.662601251 0.523138184521986 383.838968035079 40.7191165705025 12.4289202660315 22601.1103720659 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:58:53 2021-Feb-24 06:58
2158-Mar-23 05:50 00:01 Juno 0.0356641895734264 0.0356362667805289 0.0356921126188063 5.79219431396224 5.79219425506832 2509334.743096633 1.08601168086738 1399.64796431975 42.2382909403628 6.11353140766159 13966.9087897245 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:58:53 2021-Feb-24 06:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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