Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.434154E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-01T16:43:50+0800
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    1 Object 1

    AOE ID 48690
    NORAD ID 48690
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63243
    NORAD ID 63243
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter STARLINK-2740 HERMES-2
    Time of Closest Approach 2026-09-01T09:38:48+0000
    Collision Probability (Pc) 1.434154E-6
    Conjunction Distance (km) 2.825 km
    Relative Speed (km/s) 14.586 km/s
    Conjunction Risk Parameters R (Radial): -0.128 | I (In-track): -0.833 | C (Cross-track): 2.697
    Collision Risk Index (CRI) 0.38
    X Position (km) 4333.638 4332.141
    Position Y (km) -4303.666 -4305.781
    Position Z (km) -3107.951 -3106.826
    Velocity X (km/s) 5.428 -3.197
    Velocity Y (km/s) 1.839 1.629
    Velocity Z (km/s) 5.031 -6.729

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2740 HERMES-2
    Semimajor Axis (a) 6848.889 km 6849.177 km
    Eccentricity (e) 0.000125 0.000386
    Inclination (i) 53.1604° 97.3774°
    RAAN 340.9389° 138.5261°
    Perigee Argument 76.4017° 178.8263°
    Mean Anomaly (M) 283.7124° 181.2988°
    Apogee 471.607 km 473.682 km
    Perigee 469.897 km 468.398 km
    Orbit Epoch 2026-08-31T16:34:15+0000 2026-08-31T23:20:14+0000

    STARLINK-2740 & HERMES-2 Collision Probability (Pc) Trend

    STARLINK-2740 & HERMES-2 Collision Probability (Pc) TrendNot Available

    STARLINK-2740 & HERMES-2 Miss Distance (Miss Distance) Trend

    STARLINK-2740 & HERMES-2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2740Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HERMES-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2740Collision Probability Trend

    Object 1 Probability TrendNot Available

    HERMES-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2740

    No nearby objects data