Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.91175E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T16:31:43+0800
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    1 Object 1

    AOE ID 16952
    NORAD ID 16952
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 39088
    NORAD ID 39088
    Object Type PAYLOAD
    Country
    CA CA

    Conjunction Constraints

    Parameter COSMOS 1777 SAPPHIRE
    Time of Closest Approach 2026-10-30T09:25:16+0000
    Collision Probability (Pc) 2.91175E-6
    Conjunction Distance (km) 1.913 km
    Relative Speed (km/s) 12.672 km/s
    Conjunction Risk Parameters R (Radial): -1.75 | I (In-track): -0.41 | C (Cross-track): -0.653
    Collision Risk Index (CRI) 0.44
    X Position (km) -1729.74 -1728.57
    Position Y (km) 970.998 970.737
    Position Z (km) -6880.113 -6878.623
    Velocity X (km/s) -4.231 -3.365
    Velocity Y (km/s) -6.132 6.418
    Velocity Z (km/s) 0.218 1.743

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1777 SAPPHIRE
    Semimajor Axis (a) 7156.120 km 7152.308 km
    Eccentricity (e) 0.002590 0.001072
    Inclination (i) 74.0043° 98.4310°
    RAAN 236.0309° 119.2486°
    Perigee Argument 354.5800° 202.5458°
    Mean Anomaly (M) 5.5067° 157.5258°
    Apogee 796.521 km 781.840 km
    Perigee 759.445 km 766.502 km
    Orbit Epoch 2026-10-29T18:45:50+0000 2026-10-29T22:03:53+0000

    COSMOS 1777 & SAPPHIRE Collision Probability (Pc) Trend

    COSMOS 1777 & SAPPHIRE Collision Probability (Pc) TrendNot Available

    COSMOS 1777 & SAPPHIRE Miss Distance (Miss Distance) Trend

    COSMOS 1777 & SAPPHIRE Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1777Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SAPPHIREMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1777Collision Probability Trend

    Object 1 Probability TrendNot Available

    SAPPHIRECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1777

    No nearby objects data