Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.104229E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T08:46:21+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name TERRA
    AOE ID 25994
    NORAD ID 25994
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 40090
    NORAD ID 40090
    Object Type PAYLOAD
    Country
    ORB ORB

    Conjunction Constraints

    Parameter TERRA ORBCOMM FM 104
    Time of Closest Approach 2026-11-05T10:54:20+0000
    Collision Probability (Pc) 2.104229E-5
    Conjunction Distance (km) 1.069 km
    Relative Speed (km/s) 14.277 km/s
    Conjunction Risk Parameters R (Radial): -1.007 | I (In-track): -0.098 | C (Cross-track): -0.339
    Collision Risk Index (CRI) 0.61
    X Position (km) -6805.771 -6804.786
    Position Y (km) 1029.867 1030.044
    Position Z (km) -1619.819 -1619.447
    Velocity X (km/s) 1.834 -1.995
    Velocity Y (km/s) 0.798 -5.022
    Velocity Z (km/s) -7.237 5.224

    Orbital Parameters 国际轨道数据源

    Parameter TERRA ORBCOMM FM 104
    Semimajor Axis (a) 7067.480 km 7079.709 km
    Eccentricity (e) 0.000316 0.001652
    Inclination (i) 97.9285° 47.0046°
    RAAN 350.4422° 198.2920°
    Perigee Argument 131.9480° 344.8039°
    Mean Anomaly (M) 0.7826° 15.2349°
    Apogee 691.579 km 713.268 km
    Perigee 687.107 km 689.876 km
    Orbit Epoch 2026-11-02T11:57:36+0000 2026-11-02T10:35:39+0000

    TERRA & ORBCOMM FM 104 Collision Probability (Pc) Trend

    TERRA & ORBCOMM FM 104 Collision Probability (Pc) TrendNot Available

    TERRA & ORBCOMM FM 104 Miss Distance (Miss Distance) Trend

    TERRA & ORBCOMM FM 104 Miss Distance (Miss Distance) TrendNot Available

    TERRAMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ORBCOMM FM 104Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TERRACollision Probability Trend

    Object 1 Probability TrendNot Available

    ORBCOMM FM 104Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TERRA

    No nearby objects data