Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.406227E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-05T21:04:52+0800
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    1 Object 1

    AOE ID 35684
    NORAD ID 35684
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69908
    NORAD ID 69908
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter APRIZESAT 4 MISR-D-1
    Time of Closest Approach 2026-11-07T07:19:41+0000
    Collision Probability (Pc) 2.406227E-4
    Conjunction Distance (km) 0.466 km
    Relative Speed (km/s) 14.993 km/s
    Conjunction Risk Parameters R (Radial): -0.463 | I (In-track): 0.01 | C (Cross-track): -0.045
    Collision Risk Index (CRI) 0.83
    X Position (km) -6069.259 -6068.879
    Position Y (km) -3433.879 -3433.61
    Position Z (km) 92.251 92.242
    Velocity X (km/s) -0.604 -0.403
    Velocity Y (km/s) 0.888 0.942
    Velocity Z (km/s) -7.498 7.493

    Orbital Parameters 国际轨道数据源

    Parameter APRIZESAT 4 MISR-D-1
    Semimajor Axis (a) 6994.725 km 6970.528 km
    Eccentricity (e) 0.004223 0.000741
    Inclination (i) 98.1306° 97.7414°
    RAAN 26.8166° 207.2977°
    Perigee Argument 224.1463° 99.0652°
    Mean Anomaly (M) 135.6378° 261.1406°
    Apogee 646.124 km 597.556 km
    Perigee 587.052 km 587.226 km
    Orbit Epoch 2026-11-04T18:38:53+0000 2026-11-04T22:58:53+0000

    APRIZESAT 4 & MISR-D-1 Collision Probability (Pc) Trend

    APRIZESAT 4 & MISR-D-1 Collision Probability (Pc) TrendNot Available

    APRIZESAT 4 & MISR-D-1 Miss Distance (Miss Distance) Trend

    APRIZESAT 4 & MISR-D-1 Miss Distance (Miss Distance) TrendNot Available

    APRIZESAT 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    MISR-D-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    APRIZESAT 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    MISR-D-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with APRIZESAT 4

    No nearby objects data