🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.2

Radius: 14.9

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.5 AU - 0.76 AU

Year: 345 Days

Day: 7 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 83,976,268 km

• M1: 186,848 km (0.116 R)
• M2: 968,347 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.5

Radius: 11.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.76 AU - 0.96 AU

Year: 551 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,976,268 km

• M1: 140,472 km (0.1 R)
• M2: 514,467 km (0.091 R)
• M3: 1,123,630 km (0.044 R)
• M4: 1,544,748 km (0.092 R)
• M5: 2,133,266 km (0.116 R)
• M6: 2,744,373 km (0.106 R)
• M7: 3,132,430 km (0.099 R)
• M8: 3,601,718 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.7

Radius: 9.4

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.62 AU - 1.94 AU

Year: 1639 Days

Day: 6 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,976,268 km

• M1: 116,986 km (0.106 R)
• M2: 516,113 km (0.106 R)
• M3: 1,011,132 km (0.107 R)
• M4: 1,344,436 km (0.054 R)
• M5: 1,660,088 km (0.074 R)
• M6: 1,957,189 km (0.068 R)
• M7: 2,303,059 km (0.116 R)
• M8: 2,689,471 km (0.078 R)
• M9: 3,103,557 km (0.105 R)
• M10: 3,491,913 km (0.076 R)
• M11: 4,898,433 km (0.055 R)
• M12: 5,752,337 km (0.096 R)
• M13: 7,325,957 km (0.066 R)
• M14: 8,197,215 km (0.102 R)
• M15: 9,331,915 km (0.072 R)
• M16: 10,109,824 km (0.076 R)
• M17: 11,526,666 km (0.082 R)
• M18: 11,833,042 km (0.104 R)
• M19: 12,342,273 km (0.09 R)
• M20: 13,320,942 km (0.092 R)
• M21: 14,350,625 km (0.113 R)
• M22: 14,929,867 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.5

Radius: 11.2

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.34 AU - 2.22 AU

Year: 1639 Days

Day: 5.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,976,268 km

• M1: 139,276 km (0.094 R)
• M2: 615,894 km (0.111 R)
• M3: 1,713,793 km (0.11 R)
• M4: 2,067,143 km (0.111 R)
• M5: 2,597,917 km (0.069 R)
• M6: 3,143,051 km (0.09 R)
• M7: 4,058,291 km (0.067 R)
• M8: 4,755,118 km (0.113 R)
• M9: 5,291,127 km (0.105 R)
• M10: 6,029,243 km (0.066 R)
• M11: 6,460,085 km (0.115 R)
• M12: 7,144,944 km (0.091 R)
• M13: 7,573,093 km (0.12 R)
• M14: 8,190,035 km (0.053 R)
• M15: 10,010,641 km (0.103 R)
• M16: 10,411,713 km (0.086 R)
• M17: 11,246,020 km (0.056 R)
• M18: 12,812,758 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.8

Radius: 9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.98 AU - 2.92 AU

Year: 2647 Days

Day: 10.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,976,268 km

• M1: 113,694 km (0.078 R)
• M2: 464,053 km (0.092 R)
• M3: 884,123 km (0.107 R)
• M4: 1,451,548 km (0.114 R)
• M5: 2,174,405 km (0.106 R)
• M6: 2,467,467 km (0.028 R)
• M7: 2,957,251 km (0.107 R)
• M8: 4,702,759 km (0.079 R)
• M9: 5,261,357 km (0.081 R)
• M10: 5,909,864 km (0.103 R)
• M11: 6,968,269 km (0.083 R)
• M12: 8,559,990 km (0.096 R)
• M13: 10,517,329 km (0.112 R)
• M14: 12,834,301 km (0.047 R)
• M15: 13,717,826 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.1

Radius: 11.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.72 AU - 2.9 AU

Year: 3251 Days

Day: 12.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,976,268 km

• M1: 145,559 km (0.11 R)
• M2: 666,758 km (0.069 R)
• M3: 1,175,839 km (0.087 R)
• M4: 1,650,214 km (0.075 R)
• M5: 2,641,300 km (0.061 R)
• M6: 3,059,875 km (0.111 R)
• M7: 3,973,469 km (0.114 R)
• M8: 5,366,973 km (0.089 R)
• M9: 5,863,040 km (0.057 R)
• M10: 6,255,136 km (0.103 R)
• M11: 6,720,684 km (0.115 R)
• M12: 7,209,421 km (0.108 R)
• M13: 7,783,577 km (0.094 R)
• M14: 8,258,102 km (0.055 R)
• M15: 9,583,240 km (0.105 R)
• M16: 10,772,393 km (0.06 R)
• M17: 12,267,325 km (0.038 R)
• M18: 13,758,965 km (0.039 R)
• M19: 14,313,375 km (0.066 R)
• M20: 16,218,504 km (0.078 R)
• M21: 16,681,060 km (0.107 R)
• M22: 17,740,811 km (0.104 R)
• M23: 18,397,845 km (0.047 R)
• M24: 19,071,036 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.4

Radius: 4.2

Gravity: 46.28 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.39 AU - 10.25 AU

Year: 21241 Days

Day: 16.2 Hours

Environment

Temp: -245 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 83,976,268 km

• M1: 52,210 km (0.057 R)
• M2: 240,853 km (0.101 R)
• M3: 395,986 km (0.034 R)
• M4: 533,616 km (0.096 R)
• M5: 723,605 km (0.074 R)
• M6: 874,699 km (0.113 R)
• M7: 1,033,871 km (0.086 R)
• M8: 1,241,662 km (0.092 R)
• M9: 1,527,245 km (0.052 R)
• M10: 1,704,069 km (0.087 R)
• M11: 2,056,971 km (0.035 R)
• M12: 3,013,649 km (0.084 R)
• M13: 4,099,730 km (0.105 R)
• M14: 5,878,748 km (0.025 R)
• M15: 6,912,768 km (0.089 R)
• M16: 8,062,278 km (0.074 R)
• M17: 8,490,278 km (0.077 R)
• M18: 8,933,386 km (0.109 R)
• M19: 9,508,740 km (0.088 R)
• M20: 9,745,553 km (0.03 R)
• M21: 11,989,372 km (0.103 R)
• M22: 15,594,381 km (0.106 R)
• M23: 17,641,479 km (0.115 R)
• M24: 19,860,763 km (0.112 R)
• M25: 21,237,662 km (0.079 R)
• M26: 33,239,749 km (0.09 R)
• M27: 33,648,301 km (0.082 R)
• M28: 37,624,762 km (0.033 R)
• M29: 39,725,565 km (0.072 R)
• M30: 42,860,388 km (0.083 R)
• M31: 46,494,719 km (0.083 R)
• M32: 48,386,683 km (0.084 R)
• M33: 49,087,101 km (0.073 R)
• M34: 51,048,329 km (0.096 R)
• M35: 53,246,669 km (0.115 R)
• M36: 62,464,591 km (0.119 R)
• M37: 67,557,052 km (0.109 R)
• M38: 72,234,080 km (0.178 R)
• M39: 73,839,714 km (0.114 R)
• M40: 82,723,733 km (0.03 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 13,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit