Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.448453E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:57:39+0800
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    1 Object 1

    AOE ID 57974
    NORAD ID 57974
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59787
    NORAD ID 59787
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30489 STARLINK-31870
    Time of Closest Approach 2026-10-29T22:07:48+0000
    Collision Probability (Pc) 2.448453E-6
    Conjunction Distance (km) 1.898 km
    Relative Speed (km/s) 9.328 km/s
    Conjunction Risk Parameters R (Radial): -0.27 | I (In-track): -1.483 | C (Cross-track): -1.151
    Collision Risk Index (CRI) 0.43
    X Position (km) 3114.294 3112.534
    Position Y (km) -5525.11 -5525.813
    Position Z (km) -2616.865 -2616.764
    Velocity X (km/s) 4.38 6.127
    Velocity Y (km/s) 4.511 1.412
    Velocity Z (km/s) -4.311 4.312

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30489 STARLINK-31870
    Semimajor Axis (a) 6860.092 km 6861.475 km
    Eccentricity (e) 0.000489 0.000311
    Inclination (i) 43.0012° 42.9972°
    RAAN 108.5015° 341.1577°
    Perigee Argument 279.5062° 286.6483°
    Mean Anomaly (M) 80.5237° 73.4027°
    Apogee 485.309 km 485.472 km
    Perigee 478.601 km 481.204 km
    Orbit Epoch 2026-10-27T04:52:44+0000 2026-10-27T04:22:18+0000

    STARLINK-30489 & STARLINK-31870 Collision Probability (Pc) Trend

    STARLINK-30489 & STARLINK-31870 Collision Probability (Pc) TrendNot Available

    STARLINK-30489 & STARLINK-31870 Miss Distance (Miss Distance) Trend

    STARLINK-30489 & STARLINK-31870 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30489Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31870Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30489Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31870Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30489

    No nearby objects data