Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.125013E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T00:10:54+0800
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    1 Object 1

    Name CALIPSO
    AOE ID 29108
    NORAD ID 29108
    Object Type PAYLOAD
    Country
    FR FR
    VS

    2 Object 2

    AOE ID 34896
    NORAD ID 34896
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter CALIPSO IRIDIUM 33 DEB
    Time of Closest Approach 2026-09-13T16:47:06+0000
    Collision Probability (Pc) 1.125013E-5
    Conjunction Distance (km) 1.164 km
    Relative Speed (km/s) 8.964 km/s
    Conjunction Risk Parameters R (Radial): 0.522 | I (In-track): 0.838 | C (Cross-track): -0.616
    Collision Risk Index (CRI) 0.56
    X Position (km) -947.963 -947.517
    Position Y (km) -887.154 -886.336
    Position Z (km) 6911.596 6912.292
    Velocity X (km/s) -0.826 6.85
    Velocity Y (km/s) 7.434 2.83
    Velocity Z (km/s) 0.84 1.319

    Orbital Parameters 国际轨道数据源

    Parameter CALIPSO IRIDIUM 33 DEB
    Semimajor Axis (a) 7040.852 km 7043.737 km
    Eccentricity (e) 0.000145 0.002604
    Inclination (i) 98.4468° 86.3319°
    RAAN 273.9631° 203.7797°
    Perigee Argument 72.6815° 5.8498°
    Mean Anomaly (M) 287.4547° 59.6575°
    Apogee 663.734 km 683.945 km
    Perigee 661.696 km 647.255 km
    Orbit Epoch 2026-09-12T07:43:21+0000 2026-09-12T04:44:38+0000

    CALIPSO & IRIDIUM 33 DEB Collision Probability (Pc) Trend

    CALIPSO & IRIDIUM 33 DEB Collision Probability (Pc) TrendNot Available

    CALIPSO & IRIDIUM 33 DEB Miss Distance (Miss Distance) Trend

    CALIPSO & IRIDIUM 33 DEB Miss Distance (Miss Distance) TrendNot Available

    CALIPSOMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CALIPSOCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CALIPSO

    No nearby objects data