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277170 (2005 NJ101)
Classification: Main-belt Asteroid          SPK-ID: 2277170
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .100645538434833 4.8376e-08  
a 2.164019927215693 1.5525e-08 au
q 1.946220976457361 1.1346e-07 au
i 5.16222001979103 5.6905e-06 deg
node 145.5170067192291 4.369e-05 deg
peri 89.3134896814434 5.8514e-05 deg
M 298.9049933249493 4.3409e-05 deg
tp 2459197.830186400436
(2020-Dec-14.33018640)
0.00014182 TDB
period 1162.760607949439
3.18
1.2513e-05
3.426e-08
d
yr
n .3096080117771361 3.3317e-09 deg/d
Q 2.381818877974025 1.7087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      6976 days (19.10 yr)  
   first obs. used      2001-02-16  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:20:18  

Additional Information
 Earth MOID = .943157 au 
 Jupiter MOID = 2.61384 au 
 T_jup = 3.683 
[ 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 17.5   n/a MPO455057  

277170 (2005 NJ101)          Discovered 2005-Jul-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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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
1980-Mar-08 11:06 < 00:01 Hebe 0.0216237713331663 0.02161484771467 0.0216326951384348 6.75897791830874 6.75897787577387 2444306.962815310 0.415884875072115 456.202139433964 52.8592951251084 -12.8699900162632 15278.8708099283 T 19 CATAB v2.0f-lin.ifort 2020-Nov-11 21:20:19 2020-Nov-11 21:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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