Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.53564E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T01:04:43+0800
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    1 Object 1

    AOE ID 21090
    NORAD ID 21090
    Object Type ROCKET BODY
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 25567
    NORAD ID 25567
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter SL-8 R/B NADEZHDA 5
    Time of Closest Approach 2026-10-19T02:46:55+0000
    Collision Probability (Pc) 5.53564E-6
    Conjunction Distance (km) 1.566 km
    Relative Speed (km/s) 13.68 km/s
    Conjunction Risk Parameters R (Radial): 0.978 | I (In-track): 0.463 | C (Cross-track): -1.131
    Collision Risk Index (CRI) 0.5
    X Position (km) 2331.925 2331.987
    Position Y (km) 723.416 722.155
    Position Z (km) 6934.272 6933.345
    Velocity X (km/s) 5.344 -6.981
    Velocity Y (km/s) 4.518 0.69
    Velocity Z (km/s) -2.279 2.256

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 R/B NADEZHDA 5
    Semimajor Axis (a) 7353.796 km 7370.216 km
    Eccentricity (e) 0.001946 0.002698
    Inclination (i) 82.9224° 82.9513°
    RAAN 218.5622° 357.3387°
    Perigee Argument 219.3093° 124.5373°
    Mean Anomaly (M) 140.6652° 264.3880°
    Apogee 989.970 km 1011.966 km
    Perigee 961.348 km 972.192 km
    Orbit Epoch 2026-10-18T05:19:32+0000 2026-10-18T03:49:12+0000

    SL-8 R/B & NADEZHDA 5 Collision Probability (Pc) Trend

    SL-8 R/B & NADEZHDA 5 Collision Probability (Pc) TrendNot Available

    SL-8 R/B & NADEZHDA 5 Miss Distance (Miss Distance) Trend

    SL-8 R/B & NADEZHDA 5 Miss Distance (Miss Distance) TrendNot Available

    SL-8 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NADEZHDA 5Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    NADEZHDA 5Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 R/B

    No nearby objects data