Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.8846E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T05:23:32+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 68718
    NORAD ID 68718
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter EXPLORER 7 STARLINK-36684
    Time of Closest Approach 2026-09-08T13:37:29+0000
    Collision Probability (Pc) 2.8846E-6
    Conjunction Distance (km) 1.875 km
    Relative Speed (km/s) 11.471 km/s
    Conjunction Risk Parameters R (Radial): -1.867 | I (In-track): 0.127 | C (Cross-track): 0.111
    Collision Risk Index (CRI) 0.44
    X Position (km) 2684.274 2685.154
    Position Y (km) 5820.069 5821.58
    Position Z (km) 2378.396 2379.07
    Velocity X (km/s) -5.575 -3.576
    Velocity Y (km/s) 0.364 3.908
    Velocity Z (km/s) 5.221 -5.503

    Orbital Parameters 国际轨道数据源

    Parameter EXPLORER 7 STARLINK-36684
    Semimajor Axis (a) 6852.313 km 6840.834 km
    Eccentricity (e) 0.007437 0.000112
    Inclination (i) 50.2412° 53.1584°
    RAAN 62.1671° 275.5355°
    Perigee Argument 89.9958° 76.6502°
    Mean Anomaly (M) 270.9525° 283.4625°
    Apogee 525.136 km 463.462 km
    Perigee 423.216 km 461.932 km
    Orbit Epoch 2026-09-05T13:25:53+0000 2026-09-05T13:02:55+0000

    EXPLORER 7 & STARLINK-36684 Collision Probability (Pc) Trend

    EXPLORER 7 & STARLINK-36684 Collision Probability (Pc) TrendNot Available

    EXPLORER 7 & STARLINK-36684 Miss Distance (Miss Distance) Trend

    EXPLORER 7 & STARLINK-36684 Miss Distance (Miss Distance) TrendNot Available

    EXPLORER 7Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36684Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    EXPLORER 7Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36684Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with EXPLORER 7

    No nearby objects data