Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.198569E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:14:12+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57984
    NORAD ID 57984
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58746
    NORAD ID 58746
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30516 STARLINK-31181
    Time of Closest Approach 2026-10-23T06:55:41+0000
    Collision Probability (Pc) 3.198569E-6
    Conjunction Distance (km) 1.578 km
    Relative Speed (km/s) 6.217 km/s
    Conjunction Risk Parameters R (Radial): -0.298 | I (In-track): 1.413 | C (Cross-track): 0.636
    Collision Risk Index (CRI) 0.45
    X Position (km) -520.985 -519.465
    Position Y (km) 5474.31 5474.692
    Position Z (km) -4107.061 -4107.243
    Velocity X (km/s) -7.101 -6.749
    Velocity Y (km/s) 1.192 -2.509
    Velocity Z (km/s) 2.492 -2.492

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30516 STARLINK-31181
    Semimajor Axis (a) 6861.120 km 6861.203 km
    Eccentricity (e) 0.000093 0.000107
    Inclination (i) 43.0013° 43.0026°
    RAAN 167.1135° 239.3962°
    Perigee Argument 287.6180° 265.6381°
    Mean Anomaly (M) 72.4569° 94.4349°
    Apogee 483.624 km 483.799 km
    Perigee 482.342 km 482.333 km
    Orbit Epoch 2026-10-20T00:44:04+0000 2026-10-20T05:41:23+0000

    STARLINK-30516 & STARLINK-31181 Collision Probability (Pc) Trend

    STARLINK-30516 & STARLINK-31181 Collision Probability (Pc) TrendNot Available

    STARLINK-30516 & STARLINK-31181 Miss Distance (Miss Distance) Trend

    STARLINK-30516 & STARLINK-31181 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30516Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31181Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30516Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31181Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30516

    No nearby objects data