Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.107675E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T04:57:46+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 66676
    NORAD ID 66676
    Object Type UNKNOWN
    Country
    TBD TBD
    VS

    2 Object 2

    Name SELENE
    AOE ID 69020
    NORAD ID 69020
    Object Type PAYLOAD
    Country
    GR GR

    Conjunction Constraints

    Parameter OBJECT L SELENE
    Time of Closest Approach 2026-09-08T00:19:36+0000
    Collision Probability (Pc) 3.107675E-5
    Conjunction Distance (km) 0.965 km
    Relative Speed (km/s) 15.073 km/s
    Conjunction Risk Parameters R (Radial): -0.465 | I (In-track): -0.118 | C (Cross-track): -0.836
    Collision Risk Index (CRI) 0.65
    X Position (km) 5410.77 5410.888
    Position Y (km) -3787.534 -3786.585
    Position Z (km) -1963.319 -1963.191
    Velocity X (km/s) 1.164 -2.337
    Velocity Y (km/s) -2.063 0.39
    Velocity Z (km/s) 7.227 -7.226

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT L SELENE
    Semimajor Axis (a) 6884.962 km 6882.091 km
    Eccentricity (e) 0.000742 0.000579
    Inclination (i) 97.4109° 97.3923°
    RAAN 320.2724° 144.8686°
    Perigee Argument 87.2684° 69.4558°
    Mean Anomaly (M) 272.9400° 290.7298°
    Apogee 511.931 km 507.938 km
    Perigee 501.719 km 499.970 km
    Orbit Epoch 2026-09-05T10:46:08+0000 2026-09-05T14:36:38+0000

    OBJECT L & SELENE Collision Probability (Pc) Trend

    OBJECT L & SELENE Collision Probability (Pc) TrendNot Available

    OBJECT L & SELENE Miss Distance (Miss Distance) Trend

    OBJECT L & SELENE Miss Distance (Miss Distance) TrendNot Available

    OBJECT LMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SELENEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT LCollision Probability Trend

    Object 1 Probability TrendNot Available

    SELENECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT L

    No nearby objects data