Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.457509E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:55:34+0800
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    1 Object 1

    Name SSA
    AOE ID 13844
    NORAD ID 13844
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58029
    NORAD ID 58029
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SSA STARLINK-30518
    Time of Closest Approach 2026-09-13T18:12:16+0000
    Collision Probability (Pc) 1.457509E-6
    Conjunction Distance (km) 2.621 km
    Relative Speed (km/s) 12.368 km/s
    Conjunction Risk Parameters R (Radial): 1.429 | I (In-track): 1.297 | C (Cross-track): 1.774
    Collision Risk Index (CRI) 0.38
    X Position (km) 3671.46 3674.009
    Position Y (km) -4687.438 -4687.144
    Position Z (km) 3357.536 3358.066
    Velocity X (km/s) 5.309 2.454
    Velocity Y (km/s) -0.175 5.391
    Velocity Z (km/s) -5.847 4.823

    Orbital Parameters 国际轨道数据源

    Parameter SSA STARLINK-30518
    Semimajor Axis (a) 7348.850 km 6840.873 km
    Eccentricity (e) 0.070430 0.000121
    Inclination (i) 63.3116° 53.1587°
    RAAN 151.8121° 295.2979°
    Perigee Argument 136.4153° 97.7767°
    Mean Anomaly (M) 229.4806° 262.3372°
    Apogee 1488.295 km 463.562 km
    Perigee 453.131 km 461.910 km
    Orbit Epoch 2026-09-11T02:50:06+0000 2026-09-11T03:30:36+0000

    SSA & STARLINK-30518 Collision Probability (Pc) Trend

    SSA & STARLINK-30518 Collision Probability (Pc) TrendNot Available

    SSA & STARLINK-30518 Miss Distance (Miss Distance) Trend

    SSA & STARLINK-30518 Miss Distance (Miss Distance) TrendNot Available

    SSAMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30518Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SSACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30518Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SSA

    No nearby objects data