Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.897181E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:13:31+0800
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    1 Object 1

    AOE ID 12388
    NORAD ID 12388
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 47048
    NORAD ID 47048
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 1263 COSMOS 2251 DEB
    Time of Closest Approach 2026-09-04T15:50:15+0000
    Collision Probability (Pc) 7.897181E-7
    Conjunction Distance (km) 2.468 km
    Relative Speed (km/s) 3.508 km/s
    Conjunction Risk Parameters R (Radial): -0.04 | I (In-track): 2.404 | C (Cross-track): -0.554
    Collision Risk Index (CRI) 0.33
    X Position (km) 1810.774 1808.515
    Position Y (km) -2074.223 -2073.68
    Position Z (km) 6621.575 6622.405
    Velocity X (km/s) 5.98 7.144
    Velocity Y (km/s) -3.188 -0.082
    Velocity Z (km/s) -3.091 -1.951

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1263 COSMOS 2251 DEB
    Semimajor Axis (a) 7167.540 km 7087.749 km
    Eccentricity (e) 0.057284 0.013059
    Inclination (i) 82.8599° 73.9781°
    RAAN 149.3210° 178.8939°
    Perigee Argument 208.5822° 302.6000°
    Mean Anomaly (M) 148.2836° 172.8147°
    Apogee 1199.987 km 802.174 km
    Perigee 378.819 km 617.050 km
    Orbit Epoch 2026-09-03T20:48:34+0000 2026-09-02T12:43:29+0000

    COSMOS 1263 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    COSMOS 1263 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    COSMOS 1263 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    COSMOS 1263 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1263Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1263Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1263

    No nearby objects data