Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.656778E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T07:03:49+0800
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    1 Object 1

    AOE ID 56455
    NORAD ID 56455
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name RROCI-2
    AOE ID 59106
    NORAD ID 59106
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5987 RROCI-2
    Time of Closest Approach 2026-10-17T23:06:40+0000
    Collision Probability (Pc) 3.656778E-6
    Conjunction Distance (km) 1.78 km
    Relative Speed (km/s) 13.203 km/s
    Conjunction Risk Parameters R (Radial): 0.994 | I (In-track): 0.731 | C (Cross-track): 1.283
    Collision Risk Index (CRI) 0.46
    X Position (km) -1762.963 -1764.126
    Position Y (km) -1636.746 -1636.612
    Position Z (km) -6524.88 -6523.54
    Velocity X (km/s) 4.337 2.747
    Velocity Y (km/s) -6.184 6.625
    Velocity Z (km/s) 0.379 -2.393

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5987 RROCI-2
    Semimajor Axis (a) 6950.176 km 6943.907 km
    Eccentricity (e) 0.000378 0.001591
    Inclination (i) 69.9978° 97.8589°
    RAAN 305.6345° 64.1895°
    Perigee Argument 270.1058° 354.1080°
    Mean Anomaly (M) 89.9667° 5.9954°
    Apogee 574.669 km 576.820 km
    Perigee 569.409 km 554.720 km
    Orbit Epoch 2026-10-17T07:28:34+0000 2026-10-17T07:35:18+0000

    STARLINK-5987 & RROCI-2 Collision Probability (Pc) Trend

    STARLINK-5987 & RROCI-2 Collision Probability (Pc) TrendNot Available

    STARLINK-5987 & RROCI-2 Miss Distance (Miss Distance) Trend

    STARLINK-5987 & RROCI-2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5987Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    RROCI-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5987Collision Probability Trend

    Object 1 Probability TrendNot Available

    RROCI-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5987

    No nearby objects data