Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.108627E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T03:10:14+0800
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    1 Object 1

    AOE ID 62680
    NORAD ID 62680
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64682
    NORAD ID 64682
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FLOCK 4G 18 STARLINK-34551
    Time of Closest Approach 2026-09-12T21:41:50+0000
    Collision Probability (Pc) 1.108627E-5
    Conjunction Distance (km) 1.076 km
    Relative Speed (km/s) 5.931 km/s
    Conjunction Risk Parameters R (Radial): 0.729 | I (In-track): 0.728 | C (Cross-track): 0.309
    Collision Risk Index (CRI) 0.56
    X Position (km) -6065.114 -6065.679
    Position Y (km) 2716.588 2716.611
    Position Z (km) -1630.912 -1631.826
    Velocity X (km/s) 2.052 -0.624
    Velocity Y (km/s) 0.188 -4.882
    Velocity Z (km/s) -7.347 -5.834

    Orbital Parameters 国际轨道数据源

    Parameter FLOCK 4G 18 STARLINK-34551
    Semimajor Axis (a) 6835.451 km 6840.791 km
    Eccentricity (e) 0.000436 0.000137
    Inclination (i) 97.3960° 53.1584°
    RAAN 336.9438° 331.2204°
    Perigee Argument 31.4234° 73.5415°
    Mean Anomaly (M) 328.7269° 286.5737°
    Apogee 460.295 km 463.590 km
    Perigee 454.333 km 461.718 km
    Orbit Epoch 2026-09-12T03:39:38+0000 2026-09-11T15:08:25+0000

    FLOCK 4G 18 & STARLINK-34551 Collision Probability (Pc) Trend

    FLOCK 4G 18 & STARLINK-34551 Collision Probability (Pc) TrendNot Available

    FLOCK 4G 18 & STARLINK-34551 Miss Distance (Miss Distance) Trend

    FLOCK 4G 18 & STARLINK-34551 Miss Distance (Miss Distance) TrendNot Available

    FLOCK 4G 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34551Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FLOCK 4G 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34551Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FLOCK 4G 18

    No nearby objects data