Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.96292E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T11:30:04+0800
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    1 Object 1

    AOE ID 107
    NORAD ID 107
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66643
    NORAD ID 66643
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter EXPLORER 11 STARLINK-35918
    Time of Closest Approach 2026-10-18T05:31:35+0000
    Collision Probability (Pc) 1.96292E-6
    Conjunction Distance (km) 2.097 km
    Relative Speed (km/s) 9.749 km/s
    Conjunction Risk Parameters R (Radial): -1.701 | I (In-track): -0.933 | C (Cross-track): -0.794
    Collision Risk Index (CRI) 0.41
    X Position (km) -6591.786 -6589.889
    Position Y (km) 1087.087 1087.978
    Position Z (km) -1489.506 -1489.431
    Velocity X (km/s) -0.46 -2.051
    Velocity Y (km/s) -7.038 -4.413
    Velocity Z (km/s) -3.371 5.881

    Orbital Parameters 国际轨道数据源

    Parameter EXPLORER 11 STARLINK-35918
    Semimajor Axis (a) 7194.773 km 6840.757 km
    Eccentricity (e) 0.049144 0.000140
    Inclination (i) 28.7792° 53.1559°
    RAAN 330.9519° 189.9857°
    Perigee Argument 191.1512° 93.1993°
    Mean Anomaly (M) 167.7813° 266.9170°
    Apogee 1170.218 km 463.580 km
    Perigee 463.054 km 461.660 km
    Orbit Epoch 2026-10-17T11:43:04+0000 2026-10-16T03:34:27+0000

    EXPLORER 11 & STARLINK-35918 Collision Probability (Pc) Trend

    EXPLORER 11 & STARLINK-35918 Collision Probability (Pc) TrendNot Available

    EXPLORER 11 & STARLINK-35918 Miss Distance (Miss Distance) Trend

    EXPLORER 11 & STARLINK-35918 Miss Distance (Miss Distance) TrendNot Available

    EXPLORER 11Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35918Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    EXPLORER 11Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35918Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with EXPLORER 11

    No nearby objects data