Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.129874E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T21:45:51+0800
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    1 Object 1

    AOE ID 12783
    NORAD ID 12783
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 22889
    NORAD ID 22889
    Object Type ROCKET BODY
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 1299 SL-8 R/B
    Time of Closest Approach 2026-10-29T09:05:15+0000
    Collision Probability (Pc) 2.129874E-6
    Conjunction Distance (km) 2.235 km
    Relative Speed (km/s) 14.07 km/s
    Conjunction Risk Parameters R (Radial): 2.003 | I (In-track): -0.308 | C (Cross-track): -0.941
    Collision Risk Index (CRI) 0.42
    X Position (km) 2056.567 2056.18
    Position Y (km) -6272.01 -6273.962
    Position Z (km) -3160.665 -3161.68
    Velocity X (km/s) 2.4 1.937
    Velocity Y (km/s) 3.734 -2.676
    Velocity Z (km/s) -5.9 6.615

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1299 SL-8 R/B
    Semimajor Axis (a) 7322.425 km 7348.083 km
    Eccentricity (e) 0.002718 0.004974
    Inclination (i) 65.1149° 82.9416°
    RAAN 101.0158° 293.1114°
    Perigee Argument 145.0428° 4.4282°
    Mean Anomaly (M) 215.2425° 355.7306°
    Apogee 964.190 km 1006.497 km
    Perigee 924.386 km 933.395 km
    Orbit Epoch 2026-10-27T04:07:08+0000 2026-10-27T06:41:09+0000

    COSMOS 1299 & SL-8 R/B Collision Probability (Pc) Trend

    COSMOS 1299 & SL-8 R/B Collision Probability (Pc) TrendNot Available

    COSMOS 1299 & SL-8 R/B Miss Distance (Miss Distance) Trend

    COSMOS 1299 & SL-8 R/B Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1299Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SL-8 R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1299Collision Probability Trend

    Object 1 Probability TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1299

    No nearby objects data