Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.024099E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T01:21:20+0800
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    1 Object 1

    AOE ID 7615
    NORAD ID 7615
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 35575
    NORAD ID 35575
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter LANDSAT 2 YAOGAN 4 DEB
    Time of Closest Approach 2026-10-24T21:42:44+0000
    Collision Probability (Pc) 5.024099E-6
    Conjunction Distance (km) 1.636 km
    Relative Speed (km/s) 14.56 km/s
    Conjunction Risk Parameters R (Radial): 1.483 | I (In-track): 0.092 | C (Cross-track): -0.685
    Collision Risk Index (CRI) 0.49
    X Position (km) 2468.783 2469.935
    Position Y (km) 6822.703 6823.856
    Position Z (km) -707.842 -707.967
    Velocity X (km/s) 0.859 1.15
    Velocity Y (km/s) -1.062 0.254
    Velocity Z (km/s) -7.266 7.23

    Orbital Parameters 国际轨道数据源

    Parameter LANDSAT 2 YAOGAN 4 DEB
    Semimajor Axis (a) 7282.394 km 7154.439 km
    Eccentricity (e) 0.000797 0.020859
    Inclination (i) 99.0579° 97.7714°
    RAAN 250.3985° 67.0152°
    Perigee Argument 322.3515° 156.2853°
    Mean Anomaly (M) 37.7089° 204.8119°
    Apogee 910.062 km 925.537 km
    Perigee 898.452 km 627.067 km
    Orbit Epoch 2026-10-24T07:04:30+0000 2026-10-22T07:48:16+0000

    LANDSAT 2 & YAOGAN 4 DEB Collision Probability (Pc) Trend

    LANDSAT 2 & YAOGAN 4 DEB Collision Probability (Pc) TrendNot Available

    LANDSAT 2 & YAOGAN 4 DEB Miss Distance (Miss Distance) Trend

    LANDSAT 2 & YAOGAN 4 DEB Miss Distance (Miss Distance) TrendNot Available

    LANDSAT 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN 4 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LANDSAT 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN 4 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LANDSAT 2

    No nearby objects data