Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.45081E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T04:57:46+0800
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    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 2026-09-08T01:54:23+0000
    Collision Probability (Pc) 1.45081E-6
    Conjunction Distance (km) 2.841 km
    Relative Speed (km/s) 15.073 km/s
    Conjunction Risk Parameters R (Radial): -0.439 | I (In-track): 0.371 | C (Cross-track): 2.782
    Collision Risk Index (CRI) 0.38
    X Position (km) 5412.937 5410.984
    Position Y (km) -3777.737 -3779.796
    Position Z (km) -1976.178 -1976.059
    Velocity X (km/s) 1.178 -2.349
    Velocity Y (km/s) -2.07 0.396
    Velocity Z (km/s) 7.223 -7.222

    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