Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.772461E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T14:22:03+0800
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    1 Object 1

    AOE ID 48299
    NORAD ID 48299
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 48651
    NORAD ID 48651
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2557 STARLINK-2731
    Time of Closest Approach 2026-10-18T15:28:15+0000
    Collision Probability (Pc) 2.772461E-6
    Conjunction Distance (km) 1.511 km
    Relative Speed (km/s) 4.041 km/s
    Conjunction Risk Parameters R (Radial): -1.433 | I (In-track): -0.459 | C (Cross-track): -0.129
    Collision Risk Index (CRI) 0.44
    X Position (km) -2902.377 -2902.119
    Position Y (km) -3111.778 -3110.802
    Position Z (km) 5356.622 5355.498
    Velocity X (km/s) 4.304 6.464
    Velocity Y (km/s) -6.179 -3.865
    Velocity Z (km/s) -1.254 1.256

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2557 STARLINK-2731
    Semimajor Axis (a) 6848.871 km 6848.397 km
    Eccentricity (e) 0.000126 0.000271
    Inclination (i) 53.1586° 53.1600°
    RAAN 124.1632° 159.3993°
    Perigee Argument 96.0420° 56.6301°
    Mean Anomaly (M) 264.0725° 303.4960°
    Apogee 471.600 km 472.118 km
    Perigee 469.868 km 468.402 km
    Orbit Epoch 2026-10-17T06:08:33+0000 2026-10-17T23:28:24+0000

    STARLINK-2557 & STARLINK-2731 Collision Probability (Pc) Trend

    STARLINK-2557 & STARLINK-2731 Collision Probability (Pc) TrendNot Available

    STARLINK-2557 & STARLINK-2731 Miss Distance (Miss Distance) Trend

    STARLINK-2557 & STARLINK-2731 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2557Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2731Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2557Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2731Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2557

    No nearby objects data