Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.706291E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:26:21+0800
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    1 Object 1

    AOE ID 15077
    NORAD ID 15077
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 28811
    NORAD ID 28811
    Object Type ROCKET BODY
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 1577 SL-24 R/B
    Time of Closest Approach 2026-10-29T16:52:52+0000
    Collision Probability (Pc) 2.706291E-6
    Conjunction Distance (km) 2.037 km
    Relative Speed (km/s) 14.599 km/s
    Conjunction Risk Parameters R (Radial): -1.054 | I (In-track): -0.173 | C (Cross-track): 1.735
    Collision Risk Index (CRI) 0.44
    X Position (km) -690.906 -689.211
    Position Y (km) -827.991 -827.211
    Position Z (km) 7280.075 7279.259
    Velocity X (km/s) 2.182 -3.4
    Velocity Y (km/s) -6.999 6.432
    Velocity Z (km/s) -0.563 0.695

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1577 SL-24 R/B
    Semimajor Axis (a) 7357.357 km 7268.980 km
    Eccentricity (e) 0.003539 0.041027
    Inclination (i) 82.9534° 97.7439°
    RAAN 108.0613° 295.5822°
    Perigee Argument 347.7080° 340.7259°
    Mean Anomaly (M) 125.6244° 17.8770°
    Apogee 1005.256 km 1189.068 km
    Perigee 953.184 km 592.618 km
    Orbit Epoch 2026-10-27T23:04:49+0000 2026-10-27T21:37:39+0000

    COSMOS 1577 & SL-24 R/B Collision Probability (Pc) Trend

    COSMOS 1577 & SL-24 R/B Collision Probability (Pc) TrendNot Available

    COSMOS 1577 & SL-24 R/B Miss Distance (Miss Distance) Trend

    COSMOS 1577 & SL-24 R/B Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1577Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SL-24 R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1577Collision Probability Trend

    Object 1 Probability TrendNot Available

    SL-24 R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1577

    No nearby objects data