Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.221064E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:41:57+0800
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    1 Object 1

    AOE ID 22
    NORAD ID 22
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63686
    NORAD ID 63686
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter EXPLORER 7 STARLINK-33880
    Time of Closest Approach 2026-10-21T09:47:54+0000
    Collision Probability (Pc) 1.221064E-6
    Conjunction Distance (km) 1.545 km
    Relative Speed (km/s) 0.978 km/s
    Conjunction Risk Parameters R (Radial): -1.487 | I (In-track): -0.412 | C (Cross-track): 0.056
    Collision Risk Index (CRI) 0.37
    X Position (km) 6729.471 6728.005
    Position Y (km) 1046.072 1045.618
    Position Z (km) 832.315 832.483
    Velocity X (km/s) -0.101 -0.241
    Velocity Y (km/s) 4.95 5.648
    Velocity Z (km/s) -5.791 -5.12

    Orbital Parameters 国际轨道数据源

    Parameter EXPLORER 7 STARLINK-33880
    Semimajor Axis (a) 6849.459 km 6861.134 km
    Eccentricity (e) 0.007295 0.000331
    Inclination (i) 50.2419° 43.0006°
    RAAN 197.0995° 203.5666°
    Perigee Argument 273.0462° 245.0686°
    Mean Anomaly (M) 86.2154° 114.9823°
    Apogee 521.291 km 485.265 km
    Perigee 421.353 km 480.729 km
    Orbit Epoch 2026-10-20T22:05:14+0000 2026-10-20T03:14:39+0000

    EXPLORER 7 & STARLINK-33880 Collision Probability (Pc) Trend

    EXPLORER 7 & STARLINK-33880 Collision Probability (Pc) TrendNot Available

    EXPLORER 7 & STARLINK-33880 Miss Distance (Miss Distance) Trend

    EXPLORER 7 & STARLINK-33880 Miss Distance (Miss Distance) TrendNot Available

    EXPLORER 7Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33880Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    EXPLORER 7Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33880Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with EXPLORER 7

    No nearby objects data