Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.222512E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:58:02+0800
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    1 Object 1

    AOE ID 60016
    NORAD ID 60016
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62678
    NORAD ID 62678
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31978 FLOCK 4G 15
    Time of Closest Approach 2026-09-04T07:10:01+0000
    Collision Probability (Pc) 1.222512E-6
    Conjunction Distance (km) 2.257 km
    Relative Speed (km/s) 5.763 km/s
    Conjunction Risk Parameters R (Radial): -2.071 | I (In-track): 0.828 | C (Cross-track): -0.338
    Collision Risk Index (CRI) 0.37
    X Position (km) 5810.047 5811.741
    Position Y (km) -3588.025 -3589.34
    Position Z (km) 527.333 526.631
    Velocity X (km/s) 2.004 -1.022
    Velocity Y (km/s) 4.154 -0.526
    Velocity Z (km/s) 6.081 7.544

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31978 FLOCK 4G 15
    Semimajor Axis (a) 6848.859 km 6851.401 km
    Eccentricity (e) 0.000104 0.000572
    Inclination (i) 53.1616° 97.3969°
    RAAN 335.9270° 326.7885°
    Perigee Argument 73.7372° 57.3809°
    Mean Anomaly (M) 286.3743° 302.7983°
    Apogee 471.435 km 477.184 km
    Perigee 470.009 km 469.344 km
    Orbit Epoch 2026-09-01T22:46:01+0000 2026-09-02T04:56:52+0000

    STARLINK-31978 & FLOCK 4G 15 Collision Probability (Pc) Trend

    STARLINK-31978 & FLOCK 4G 15 Collision Probability (Pc) TrendNot Available

    STARLINK-31978 & FLOCK 4G 15 Miss Distance (Miss Distance) Trend

    STARLINK-31978 & FLOCK 4G 15 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31978Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 15Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31978Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 15Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31978

    No nearby objects data