Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.922179E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T05:03:10+0800
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    1 Object 1

    AOE ID 51866
    NORAD ID 51866
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58385
    NORAD ID 58385
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3553 STARLINK-30930
    Time of Closest Approach 2026-10-30T00:28:41+0000
    Collision Probability (Pc) 2.922179E-6
    Conjunction Distance (km) 1.436 km
    Relative Speed (km/s) 3.406 km/s
    Conjunction Risk Parameters R (Radial): -0.679 | I (In-track): -1.232 | C (Cross-track): 0.282
    Collision Risk Index (CRI) 0.44
    X Position (km) 215.666 216.951
    Position Y (km) -4205.78 -4206.134
    Position Z (km) -5394.192 -5394.727
    Velocity X (km/s) 7.355 7.493
    Velocity Y (km/s) 1.721 -0.958
    Velocity Z (km/s) -1.048 1.049

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3553 STARLINK-30930
    Semimajor Axis (a) 6837.862 km 6840.849 km
    Eccentricity (e) 0.000115 0.000230
    Inclination (i) 53.1599° 53.1610°
    RAAN 22.7076° 352.1604°
    Perigee Argument 63.4711° 286.4143°
    Mean Anomaly (M) 296.6410° 73.6606°
    Apogee 460.508 km 464.289 km
    Perigee 458.942 km 461.135 km
    Orbit Epoch 2026-10-29T06:09:56+0000 2026-10-28T20:41:16+0000

    STARLINK-3553 & STARLINK-30930 Collision Probability (Pc) Trend

    STARLINK-3553 & STARLINK-30930 Collision Probability (Pc) TrendNot Available

    STARLINK-3553 & STARLINK-30930 Miss Distance (Miss Distance) Trend

    STARLINK-3553 & STARLINK-30930 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3553Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30930Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3553Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30930Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3553

    No nearby objects data