Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.36215E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T03:40:51+0800
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    1 Object 1

    AOE ID 20323
    NORAD ID 20323
    Object Type ROCKET BODY
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 25273
    NORAD ID 25273
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 1 R/B IRIDIUM 57
    Time of Closest Approach 2026-10-25T20:05:53+0000
    Collision Probability (Pc) 1.36215E-6
    Conjunction Distance (km) 2.962 km
    Relative Speed (km/s) 14.84 km/s
    Conjunction Risk Parameters R (Radial): 0.459 | I (In-track): 0.21 | C (Cross-track): -2.918
    Collision Risk Index (CRI) 0.38
    X Position (km) -1720.607 -1723.166
    Position Y (km) 2434.924 2433.6
    Position Z (km) -6507.797 -6507.11
    Velocity X (km/s) -1.93 2.951
    Velocity Y (km/s) 6.535 -6.117
    Velocity Z (km/s) 2.955 -3.07

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 R/B IRIDIUM 57
    Semimajor Axis (a) 7101.175 km 7149.104 km
    Eccentricity (e) 0.007018 0.000208
    Inclination (i) 97.0670° 86.3910°
    RAAN 108.1556° 298.0487°
    Perigee Argument 119.6012° 91.9637°
    Mean Anomaly (M) 241.2203° 268.1799°
    Apogee 772.877 km 772.457 km
    Perigee 673.199 km 769.477 km
    Orbit Epoch 2026-10-24T04:40:50+0000 2026-10-24T06:10:20+0000

    DELTA 1 R/B & IRIDIUM 57 Collision Probability (Pc) Trend

    DELTA 1 R/B & IRIDIUM 57 Collision Probability (Pc) TrendNot Available

    DELTA 1 R/B & IRIDIUM 57 Miss Distance (Miss Distance) Trend

    DELTA 1 R/B & IRIDIUM 57 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 57Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 57Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 R/B

    No nearby objects data