Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.505784E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T15:41:56+0800
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    1 Object 1

    AOE ID 51994
    NORAD ID 51994
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64770
    NORAD ID 64770
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3647 STARLINK-34618
    Time of Closest Approach 2026-10-23T08:56:51+0000
    Collision Probability (Pc) 2.505784E-5
    Conjunction Distance (km) 0.981 km
    Relative Speed (km/s) 12.043 km/s
    Conjunction Risk Parameters R (Radial): 0.833 | I (In-track): 0.328 | C (Cross-track): 0.403
    Collision Risk Index (CRI) 0.63
    X Position (km) 2310.092 2310.296
    Position Y (km) 6250.047 6249.104
    Position Z (km) 1543.74 1543.563
    Velocity X (km/s) -4.881 -3.934
    Velocity Y (km/s) 0.347 2.912
    Velocity Z (km/s) 5.864 -5.864

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3647 STARLINK-34618
    Semimajor Axis (a) 6840.885 km 6840.832 km
    Eccentricity (e) 0.000115 0.000166
    Inclination (i) 53.1604° 53.1562°
    RAAN 72.5186° 273.8660°
    Perigee Argument 88.7657° 82.1486°
    Mean Anomaly (M) 271.3477° 277.9706°
    Apogee 463.533 km 463.834 km
    Perigee 461.963 km 461.556 km
    Orbit Epoch 2026-10-20T15:13:10+0000 2026-10-20T08:20:00+0000

    STARLINK-3647 & STARLINK-34618 Collision Probability (Pc) Trend

    STARLINK-3647 & STARLINK-34618 Collision Probability (Pc) TrendNot Available

    STARLINK-3647 & STARLINK-34618 Miss Distance (Miss Distance) Trend

    STARLINK-3647 & STARLINK-34618 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3647Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34618Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3647Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34618Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3647

    No nearby objects data