Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.326112E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:35:38+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 36605
    NORAD ID 36605
    Object Type PAYLOAD
    Country
    DE DE
    VS

    2 Object 2

    AOE ID 59881
    NORAD ID 59881
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TANDEM X PREFIRE-2
    Time of Closest Approach 2026-09-12T16:28:10+0000
    Collision Probability (Pc) 2.326112E-4
    Conjunction Distance (km) 0.471 km
    Relative Speed (km/s) 14.634 km/s
    Conjunction Risk Parameters R (Radial): -0.441 | I (In-track): 0.042 | C (Cross-track): 0.157
    Collision Risk Index (CRI) 0.82
    X Position (km) -357.47 -357.653
    Position Y (km) 3220.353 3220.539
    Position Z (km) 6068.774 6069.165
    Velocity X (km/s) 1.37 2.78
    Velocity Y (km/s) 6.65 -6.187
    Velocity Z (km/s) -3.44 3.442

    Orbital Parameters 国际轨道数据源

    Parameter TANDEM X PREFIRE-2
    Semimajor Axis (a) 6886.544 km 6879.286 km
    Eccentricity (e) 0.000169 0.001024
    Inclination (i) 97.4470° 97.3978°
    RAAN 260.4434° 108.7945°
    Perigee Argument 90.0913° 265.4594°
    Mean Anomaly (M) 270.0515° 94.5472°
    Apogee 509.569 km 508.195 km
    Perigee 507.245 km 494.103 km
    Orbit Epoch 2026-09-10T22:51:15+0000 2026-09-11T00:44:09+0000

    TANDEM X & PREFIRE-2 Collision Probability (Pc) Trend

    TANDEM X & PREFIRE-2 Collision Probability (Pc) TrendNot Available

    TANDEM X & PREFIRE-2 Miss Distance (Miss Distance) Trend

    TANDEM X & PREFIRE-2 Miss Distance (Miss Distance) TrendNot Available

    TANDEM XMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PREFIRE-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TANDEM XCollision Probability Trend

    Object 1 Probability TrendNot Available

    PREFIRE-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TANDEM X

    No nearby objects data