Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.26701E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:21:34+0800
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    1 Object 1

    AOE ID 53608
    NORAD ID 53608
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58966
    NORAD ID 58966
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4647 STARLINK-31449
    Time of Closest Approach 2026-09-04T09:39:20+0000
    Collision Probability (Pc) 9.26701E-7
    Conjunction Distance (km) 2.403 km
    Relative Speed (km/s) 4.342 km/s
    Conjunction Risk Parameters R (Radial): -1.669 | I (In-track): 1.655 | C (Cross-track): 0.494
    Collision Risk Index (CRI) 0.34
    X Position (km) 1184.92 1186.868
    Position Y (km) 4116.009 4116.533
    Position Z (km) -5339.081 -5340.385
    Velocity X (km/s) -6.555 -7.491
    Velocity Y (km/s) 3.65 0.398
    Velocity Z (km/s) 1.361 -1.359

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4647 STARLINK-31449
    Semimajor Axis (a) 6839.389 km 6840.874 km
    Eccentricity (e) 0.000160 0.000127
    Inclination (i) 53.1615° 53.1584°
    RAAN 151.5506° 195.3279°
    Perigee Argument 4.5487° 82.0621°
    Mean Anomaly (M) 355.5530° 278.0526°
    Apogee 462.349 km 463.608 km
    Perigee 460.155 km 461.866 km
    Orbit Epoch 2026-09-02T14:13:50+0000 2026-09-02T03:23:20+0000

    STARLINK-4647 & STARLINK-31449 Collision Probability (Pc) Trend

    STARLINK-4647 & STARLINK-31449 Collision Probability (Pc) TrendNot Available

    STARLINK-4647 & STARLINK-31449 Miss Distance (Miss Distance) Trend

    STARLINK-4647 & STARLINK-31449 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4647Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31449Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4647Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31449Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4647

    No nearby objects data