Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.17125E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:52:47+0800
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    1 Object 1

    AOE ID 58490
    NORAD ID 58490
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59036
    NORAD ID 59036
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30978 STARLINK-31217
    Time of Closest Approach 2026-10-28T07:37:07+0000
    Collision Probability (Pc) 2.17125E-6
    Conjunction Distance (km) 2.003 km
    Relative Speed (km/s) 9.592 km/s
    Conjunction Risk Parameters R (Radial): -1.991 | I (In-track): 0.164 | C (Cross-track): 0.121
    Collision Risk Index (CRI) 0.42
    X Position (km) -5432.236 -5433.92
    Position Y (km) -3477.806 -3478.644
    Position Z (km) 2331.492 2332.178
    Velocity X (km/s) 4.573 1.82
    Velocity Y (km/s) -4.114 -5.874
    Velocity Z (km/s) 4.509 -4.508

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30978 STARLINK-31217
    Semimajor Axis (a) 6861.155 km 6860.760 km
    Eccentricity (e) 0.000388 0.000515
    Inclination (i) 42.9998° 42.9999°
    RAAN 196.4849° 62.6240°
    Perigee Argument 279.8371° 286.5993°
    Mean Anomaly (M) 80.2042° 73.4292°
    Apogee 485.683 km 486.158 km
    Perigee 480.353 km 479.088 km
    Orbit Epoch 2026-10-27T03:14:30+0000 2026-10-27T01:09:05+0000

    STARLINK-30978 & STARLINK-31217 Collision Probability (Pc) Trend

    STARLINK-30978 & STARLINK-31217 Collision Probability (Pc) TrendNot Available

    STARLINK-30978 & STARLINK-31217 Miss Distance (Miss Distance) Trend

    STARLINK-30978 & STARLINK-31217 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30978Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31217Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30978Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31217Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30978

    No nearby objects data