Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.592816E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:41:04+0800
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    1 Object 1

    AOE ID 21130
    NORAD ID 21130
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 65573
    NORAD ID 65573
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2135 PRAETORIAN SDA_610
    Time of Closest Approach 2026-10-30T21:07:29+0000
    Collision Probability (Pc) 1.592816E-6
    Conjunction Distance (km) 2.55 km
    Relative Speed (km/s) 13.318 km/s
    Conjunction Risk Parameters R (Radial): -1.572 | I (In-track): 0.864 | C (Cross-track): 1.812
    Collision Risk Index (CRI) 0.39
    X Position (km) 83.122 85.111
    Position Y (km) -2348.237 -2347.746
    Position Z (km) 6938.517 6936.999
    Velocity X (km/s) 3.102 3.254
    Velocity Y (km/s) -6.32 6.283
    Velocity Z (km/s) -2.221 2.078

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2135 PRAETORIAN SDA_610
    Semimajor Axis (a) 7346.243 km 7329.507 km
    Eccentricity (e) 0.006552 0.000629
    Inclination (i) 82.8244° 81.2997°
    RAAN 116.0823° 247.9520°
    Perigee Argument 189.1873° 189.3934°
    Mean Anomaly (M) 170.8093° 170.7105°
    Apogee 1016.236 km 955.980 km
    Perigee 919.976 km 946.760 km
    Orbit Epoch 2026-10-27T22:56:16+0000 2026-10-27T21:36:37+0000

    COSMOS 2135 & PRAETORIAN SDA_610 Collision Probability (Pc) Trend

    COSMOS 2135 & PRAETORIAN SDA_610 Collision Probability (Pc) TrendNot Available

    COSMOS 2135 & PRAETORIAN SDA_610 Miss Distance (Miss Distance) Trend

    COSMOS 2135 & PRAETORIAN SDA_610 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2135Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    PRAETORIAN SDA_610Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2135Collision Probability Trend

    Object 1 Probability TrendNot Available

    PRAETORIAN SDA_610Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2135

    No nearby objects data