Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.252155E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-26T23:01:06+0800
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    1 Object 1

    Name OAO 2
    AOE ID 3597
    NORAD ID 3597
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 35391
    NORAD ID 35391
    Object Type DEBRIS
    Country
    ESA ESA

    Conjunction Constraints

    Parameter OAO 2 ERS 2 DEB
    Time of Closest Approach 2026-10-26T15:41:42+0000
    Collision Probability (Pc) 1.252155E-6
    Conjunction Distance (km) 2.973 km
    Relative Speed (km/s) 12.904 km/s
    Conjunction Risk Parameters R (Radial): 2.366 | I (In-track): -0.916 | C (Cross-track): -1.548
    Collision Risk Index (CRI) 0.37
    X Position (km) 2195.846 2195.088
    Position Y (km) -5759.183 -5761.046
    Position Z (km) -3544.317 -3546.506
    Velocity X (km/s) 6.179 0.096
    Velocity Y (km/s) 3.661 -3.888
    Velocity Z (km/s) -2.122 6.393

    Orbital Parameters 国际轨道数据源

    Parameter OAO 2 ERS 2 DEB
    Semimajor Axis (a) 7112.314 km 7105.197 km
    Eccentricity (e) 0.000609 0.000643
    Inclination (i) 34.9935° 98.6282°
    RAAN 58.9263° 284.6118°
    Perigee Argument 248.9798° 79.5322°
    Mean Anomaly (M) 111.0241° 72.3650°
    Apogee 738.510 km 731.632 km
    Perigee 729.844 km 722.488 km
    Orbit Epoch 2026-10-26T01:20:41+0000 2026-10-25T10:42:48+0000

    OAO 2 & ERS 2 DEB Collision Probability (Pc) Trend

    OAO 2 & ERS 2 DEB Collision Probability (Pc) TrendNot Available

    OAO 2 & ERS 2 DEB Miss Distance (Miss Distance) Trend

    OAO 2 & ERS 2 DEB Miss Distance (Miss Distance) TrendNot Available

    OAO 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ERS 2 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OAO 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    ERS 2 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OAO 2

    No nearby objects data