Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.801185E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T12:52:39+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 2758
    NORAD ID 2758
    Object Type ROCKET BODY
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 15471
    NORAD ID 15471
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter DELTA 1 R/B COSMOS 1619
    Time of Closest Approach 2026-10-28T10:53:31+0000
    Collision Probability (Pc) 4.801185E-6
    Conjunction Distance (km) 1.575 km
    Relative Speed (km/s) 11.369 km/s
    Conjunction Risk Parameters R (Radial): -1.101 | I (In-track): -0.685 | C (Cross-track): 0.891
    Collision Risk Index (CRI) 0.49
    X Position (km) 349.801 349.863
    Position Y (km) -1671.187 -1669.858
    Position Z (km) -7610.403 -7609.562
    Velocity X (km/s) -6.046 5.263
    Velocity Y (km/s) -3.734 -4.647
    Velocity Z (km/s) 0.557 1.263

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 R/B COSMOS 1619
    Semimajor Axis (a) 7764.396 km 7775.257 km
    Eccentricity (e) 0.004128 0.002048
    Inclination (i) 101.8374° 82.6055°
    RAAN 211.8487° 317.6442°
    Perigee Argument 66.8977° 97.0523°
    Mean Anomaly (M) 293.6448° 76.2851°
    Apogee 1418.314 km 1413.048 km
    Perigee 1354.204 km 1381.192 km
    Orbit Epoch 2026-10-27T16:25:18+0000 2026-10-27T19:09:31+0000

    DELTA 1 R/B & COSMOS 1619 Collision Probability (Pc) Trend

    DELTA 1 R/B & COSMOS 1619 Collision Probability (Pc) TrendNot Available

    DELTA 1 R/B & COSMOS 1619 Miss Distance (Miss Distance) Trend

    DELTA 1 R/B & COSMOS 1619 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 1619Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 1619Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 R/B

    No nearby objects data