Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.231919E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:34:42+0800
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    1 Object 1

    AOE ID 52635
    NORAD ID 52635
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62633
    NORAD ID 62633
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3978 FLOCK 4G 26
    Time of Closest Approach 2026-09-05T10:12:12+0000
    Collision Probability (Pc) 5.231919E-6
    Conjunction Distance (km) 1.618 km
    Relative Speed (km/s) 14.706 km/s
    Conjunction Risk Parameters R (Radial): -1.325 | I (In-track): -0.239 | C (Cross-track): 0.897
    Collision Risk Index (CRI) 0.49
    X Position (km) 5536.099 5537.537
    Position Y (km) -3483.793 -3483.685
    Position Z (km) 2026.256 2026.99
    Velocity X (km/s) 4.047 -2.451
    Velocity Y (km/s) 3.112 0.327
    Velocity Z (km/s) -5.674 7.221

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3978 FLOCK 4G 26
    Semimajor Axis (a) 6848.899 km 6850.928 km
    Eccentricity (e) 0.000221 0.000391
    Inclination (i) 53.1604° 97.3970°
    RAAN 167.1541° 328.3701°
    Perigee Argument 47.6219° 47.8655°
    Mean Anomaly (M) 312.4969° 312.2918°
    Apogee 472.273 km 475.474 km
    Perigee 469.251 km 470.108 km
    Orbit Epoch 2026-09-04T03:45:42+0000 2026-09-03T15:46:33+0000

    STARLINK-3978 & FLOCK 4G 26 Collision Probability (Pc) Trend

    STARLINK-3978 & FLOCK 4G 26 Collision Probability (Pc) TrendNot Available

    STARLINK-3978 & FLOCK 4G 26 Miss Distance (Miss Distance) Trend

    STARLINK-3978 & FLOCK 4G 26 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3978Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 26Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3978Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 26Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3978

    No nearby objects data