Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.824992E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T07:48:06+0800
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    1 Object 1

    AOE ID 12388
    NORAD ID 12388
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name ALOS 2
    AOE ID 39766
    NORAD ID 39766
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter COSMOS 1263 ALOS 2
    Time of Closest Approach 2026-10-31T10:31:21+0000
    Collision Probability (Pc) 9.824992E-7
    Conjunction Distance (km) 2.905 km
    Relative Speed (km/s) 8.001 km/s
    Conjunction Risk Parameters R (Radial): -2.214 | I (In-track): -1.529 | C (Cross-track): 1.095
    Collision Risk Index (CRI) 0.35
    X Position (km) -525.547 -524.659
    Position Y (km) -1663.64 -1661.441
    Position Z (km) 6782.299 6780.621
    Velocity X (km/s) 1.673 -5.819
    Velocity Y (km/s) -7.333 -4.541
    Velocity Z (km/s) -1.248 -1.56

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1263 ALOS 2
    Semimajor Axis (a) 7166.412 km 7009.081 km
    Eccentricity (e) 0.057311 0.000148
    Inclination (i) 82.8539° 97.9238°
    RAAN 102.4259° 38.7001°
    Perigee Argument 34.6561° 95.4082°
    Mean Anomaly (M) 329.0602° 264.7297°
    Apogee 1198.992 km 631.978 km
    Perigee 377.558 km 629.910 km
    Orbit Epoch 2026-10-30T12:16:31+0000 2026-10-30T11:20:20+0000

    COSMOS 1263 & ALOS 2 Collision Probability (Pc) Trend

    COSMOS 1263 & ALOS 2 Collision Probability (Pc) TrendNot Available

    COSMOS 1263 & ALOS 2 Miss Distance (Miss Distance) Trend

    COSMOS 1263 & ALOS 2 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1263Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ALOS 2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1263Collision Probability Trend

    Object 1 Probability TrendNot Available

    ALOS 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1263

    No nearby objects data