Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.813419E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T17:18:55+0800
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    1 Object 1

    AOE ID 57978
    NORAD ID 57978
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67990
    NORAD ID 67990
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30511 STARLINK-36951
    Time of Closest Approach 2026-09-12T16:33:01+0000
    Collision Probability (Pc) 3.813419E-4
    Conjunction Distance (km) 0.267 km
    Relative Speed (km/s) 5.07 km/s
    Conjunction Risk Parameters R (Radial): -0.035 | I (In-track): 0.251 | C (Cross-track): 0.085
    Collision Risk Index (CRI) 0.87
    X Position (km) 3689.15 3688.98
    Position Y (km) -3837.989 -3838.194
    Position Z (km) -4331.539 -4331.559
    Velocity X (km/s) 6.288 4.072
    Velocity Y (km/s) 3.826 6.132
    Velocity Z (km/s) 1.967 -1.966

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30511 STARLINK-36951
    Semimajor Axis (a) 6861.229 km 6861.145 km
    Eccentricity (e) 0.000200 0.000177
    Inclination (i) 43.0052° 43.0005°
    RAAN 31.5985° 82.8986°
    Perigee Argument 269.2525° 261.6150°
    Mean Anomaly (M) 90.8097° 98.4501°
    Apogee 484.465 km 484.226 km
    Perigee 481.719 km 481.790 km
    Orbit Epoch 2026-09-09T16:39:31+0000 2026-09-10T22:40:14+0000

    STARLINK-30511 & STARLINK-36951 Collision Probability (Pc) Trend

    STARLINK-30511 & STARLINK-36951 Collision Probability (Pc) TrendNot Available

    STARLINK-30511 & STARLINK-36951 Miss Distance (Miss Distance) Trend

    STARLINK-30511 & STARLINK-36951 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30511Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36951Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30511Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36951Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30511

    No nearby objects data