🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.2

Radius: 13.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.68 AU - 0.88 AU

Year: 459 Days

Day: 14.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,555,118 km

• M1: 173,683 km (0.085 R)
• M2: 762,800 km (0.085 R)
• M3: 1,361,789 km (0.113 R)
• M4: 1,951,355 km (0.112 R)
• M5: 2,389,826 km (0.104 R)
• M6: 2,874,972 km (0.043 R)
• M7: 3,680,108 km (0.083 R)
• M8: 4,319,339 km (0.1 R)
• M9: 4,857,293 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 8.7

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.03 AU - 1.61 AU

Year: 1011 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,555,118 km

• M1: 108,608 km (0.069 R)
• M2: 473,328 km (0.081 R)
• M3: 746,643 km (0.095 R)
• M4: 1,267,692 km (0.116 R)
• M5: 1,568,384 km (0.11 R)
• M6: 2,004,911 km (0.08 R)
• M7: 2,328,491 km (0.079 R)
• M8: 2,835,478 km (0.027 R)
• M9: 3,203,938 km (0.041 R)
• M10: 3,663,951 km (0.082 R)
• M11: 4,734,324 km (0.101 R)
• M12: 6,655,310 km (0.097 R)
• M13: 7,357,074 km (0.079 R)
• M14: 7,751,114 km (0.095 R)
• M15: 8,447,792 km (0.057 R)
• M16: 8,935,032 km (0.102 R)
• M17: 10,025,301 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.5

Radius: 12.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.91 AU - 2.33 AU

Year: 2058 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,555,118 km

• M1: 156,928 km (0.053 R)
• M2: 688,150 km (0.108 R)
• M3: 1,232,836 km (0.067 R)
• M4: 1,793,230 km (0.076 R)
• M5: 2,533,889 km (0.094 R)
• M6: 3,702,697 km (0.113 R)
• M7: 5,600,495 km (0.08 R)
• M8: 7,932,726 km (0.08 R)
• M9: 11,246,768 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.4

Radius: 9.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.37 AU - 3.27 AU

Year: 3158 Days

Day: 9 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,555,118 km

• M1: 120,725 km (0.078 R)
• M2: 439,070 km (0.074 R)
• M3: 1,780,215 km (0.062 R)
• M4: 2,756,042 km (0.115 R)
• M5: 3,396,320 km (0.045 R)
• M6: 3,807,565 km (0.031 R)
• M7: 6,385,136 km (0.05 R)
• M8: 7,042,170 km (0.064 R)
• M9: 10,983,775 km (0.066 R)
• M10: 17,000,900 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.8

Radius: 8.2

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.63 AU - 3.73 AU

Year: 3782 Days

Day: 14.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,555,118 km

• M1: 102,325 km (0.041 R)
• M2: 429,047 km (0.079 R)
• M3: 784,192 km (0.109 R)
• M4: 1,363,585 km (0.1 R)
• M5: 1,848,132 km (0.106 R)
• M6: 2,202,829 km (0.065 R)
• M7: 2,924,489 km (0.117 R)
• M8: 3,428,185 km (0.091 R)
• M9: 4,418,074 km (0.115 R)
• M10: 4,878,387 km (0.054 R)
• M11: 5,317,008 km (0.085 R)
• M12: 5,781,808 km (0.093 R)
• M13: 6,606,092 km (0.105 R)
• M14: 6,950,467 km (0.1 R)
• M15: 7,241,135 km (0.117 R)
• M16: 7,812,450 km (0.113 R)
• M17: 9,198,025 km (0.09 R)
• M18: 10,570,436 km (0.115 R)
• M19: 10,912,267 km (0.097 R)
• M20: 12,781,193 km (0.093 R)
• M21: 13,515,270 km (0.094 R)
• M22: 16,335,489 km (0.077 R)
• M23: 17,792,722 km (0.1 R)
• M24: 18,154,898 km (0.107 R)
• M25: 19,846,402 km (0.085 R)
• M26: 21,165,107 km (0.084 R)
• M27: 21,572,013 km (0.118 R)
• M28: 22,261,510 km (0.027 R)
• M29: 23,903,197 km (0.12 R)
• M30: 24,344,361 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.6

Radius: 14.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.15 AU - 3.25 AU

Year: 3817 Days

Day: 9.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,555,118 km

• M1: 179,218 km (0.101 R)
• M2: 1,093,261 km (0.05 R)
• M3: 1,690,157 km (0.105 R)
• M4: 2,298,571 km (0.103 R)
• M5: 2,966,077 km (0.1 R)
• M6: 3,641,811 km (0.113 R)
• M7: 4,133,838 km (0.052 R)
• M8: 5,278,710 km (0.108 R)
• M9: 7,953,520 km (0.047 R)
• M10: 8,503,741 km (0.07 R)
• M11: 9,042,593 km (0.06 R)
• M12: 10,188,961 km (0.065 R)
• M13: 10,673,958 km (0.09 R)
• M14: 13,430,298 km (0.052 R)
• M15: 14,665,678 km (0.047 R)
• M16: 15,442,390 km (0.114 R)
• M17: 16,686,745 km (0.119 R)
• M18: 17,248,186 km (0.107 R)
• M19: 19,130,127 km (0.099 R)
• M20: 20,247,025 km (0.063 R)
• M21: 20,885,957 km (0.045 R)
• M22: 22,474,836 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.2

Radius: 6.5

Gravity: 17.92 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.31 AU - 7.41 AU

Year: 10696 Days

Day: 22.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,555,118 km

• M1: 80,783 km (0.088 R)
• M2: 526,734 km (0.032 R)
• M3: 1,667,867 km (0.098 R)
• M4: 2,876,019 km (0.101 R)
• M5: 3,294,744 km (0.087 R)
• M6: 4,765,440 km (0.104 R)
• M7: 8,095,040 km (0.072 R)
• M8: 8,458,563 km (0.059 R)
• M9: 9,665,219 km (0.109 R)
• M10: 11,428,081 km (0.092 R)
• M11: 11,885,700 km (0.093 R)
• M12: 12,177,865 km (0.063 R)
• M13: 12,837,592 km (0.072 R)
• M14: 15,997,398 km (0.099 R)
• M15: 18,998,032 km (0.088 R)
• M16: 22,889,222 km (0.109 R)
• M17: 23,341,606 km (0.09 R)
• M18: 24,924,950 km (0.116 R)
• M19: 32,428,031 km (0.11 R)
• M20: 36,319,969 km (0.063 R)
• M21: 42,929,353 km (0.117 R)
• M22: 48,344,796 km (0.095 R)
• M23: 49,993,364 km (0.053 R)
• M24: 50,754,967 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.2

Radius: 7.3

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.2 AU - 9.42 AU

Year: 17438 Days

Day: 19.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,555,118 km

• M1: 90,806 km (0.087 R)
• M2: 457,470 km (0.094 R)
• M3: 1,943,127 km (0.048 R)
• M4: 2,229,457 km (0.119 R)
• M5: 2,482,726 km (0.111 R)
• M6: 3,564,020 km (0.065 R)
• M7: 4,461,308 km (0.063 R)
• M8: 4,802,092 km (0.05 R)
• M9: 5,160,229 km (0.073 R)
• M10: 5,712,843 km (0.078 R)
• M11: 6,419,394 km (0.053 R)
• M12: 7,266,717 km (0.114 R)
• M13: 7,521,931 km (0.065 R)
• M14: 8,095,489 km (0.072 R)
• M15: 14,437,242 km (0.083 R)
• M16: 20,633,885 km (0.115 R)
• M17: 25,854,701 km (0.066 R)
• M18: 26,752,288 km (0.085 R)
• M19: 27,055,972 km (0.061 R)
• M20: 30,660,981 km (0.119 R)
• M21: 35,175,995 km (0.084 R)
• M22: 37,527,972 km (0.114 R)
• M23: 38,036,156 km (0.057 R)
• M24: 42,542,642 km (0.068 R)
• M25: 42,818,351 km (0.034 R)
• M26: 44,639,257 km (0.112 R)
• M27: 46,803,788 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 10,922 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit