🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.6

Radius: 14

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.7 AU - 1.82 AU

Year: 1584 Days

Day: 7 Hours

Environment

Temp: -195 °C

Axial Tilt: 106.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,658,911 km

• M1: 175,628 km (0.087 R)
• M2: 728,542 km (0.036 R)
• M3: 1,337,106 km (0.12 R)
• M4: 1,913,207 km (0.113 R)
• M5: 2,965,179 km (0.044 R)
• M6: 3,646,897 km (0.06 R)
• M7: 4,690,192 km (0.114 R)
• M8: 5,304,292 km (0.117 R)
• M9: 5,829,081 km (0.092 R)
• M10: 6,824,954 km (0.071 R)
• M11: 7,757,996 km (0.094 R)
• M12: 8,196,019 km (0.076 R)
• M13: 9,282,847 km (0.097 R)
• M14: 10,463,773 km (0.096 R)
• M15: 11,553,593 km (0.071 R)
• M16: 12,439,512 km (0.039 R)
• M17: 13,123,024 km (0.047 R)
• M18: 14,830,385 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 8.6

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.22 AU - 2.9 AU

Year: 2778 Days

Day: 13 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,658,911 km

• M1: 123,568 km (0.111 R)
• M2: 515,065 km (0.065 R)
• M3: 828,024 km (0.071 R)
• M4: 1,326,784 km (0.11 R)
• M5: 1,970,802 km (0.057 R)
• M6: 2,363,946 km (0.119 R)
• M7: 2,632,474 km (0.108 R)
• M8: 2,907,285 km (0.085 R)
• M9: 3,450,774 km (0.12 R)
• M10: 4,641,424 km (0.062 R)
• M11: 5,671,255 km (0.098 R)
• M12: 9,930,755 km (0.12 R)
• M13: 10,636,109 km (0.106 R)
• M14: 11,519,036 km (0.118 R)
• M15: 12,680,664 km (0.109 R)
• M16: 13,150,700 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238

Radius: 13.8

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.44 AU - 3.54 AU

Year: 3507 Days

Day: 11.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,658,911 km

• M1: 172,786 km (0.046 R)
• M2: 709,991 km (0.077 R)
• M3: 1,209,349 km (0.093 R)
• M4: 1,733,839 km (0.086 R)
• M5: 2,257,282 km (0.059 R)
• M6: 3,509,117 km (0.112 R)
• M7: 4,162,710 km (0.05 R)
• M8: 4,939,871 km (0.099 R)
• M9: 5,596,456 km (0.095 R)
• M10: 6,518,129 km (0.053 R)
• M11: 7,861,966 km (0.102 R)
• M12: 8,920,671 km (0.102 R)
• M13: 13,298,054 km (0.071 R)
• M14: 14,168,115 km (0.082 R)
• M15: 16,264,281 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.6

Radius: 12.2

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3 AU - 3.4 AU

Year: 3883 Days

Day: 14.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,658,911 km

• M1: 162,912 km (0.111 R)
• M2: 954,883 km (0.081 R)
• M3: 1,568,982 km (0.108 R)
• M4: 6,153,858 km (0.112 R)
• M5: 7,342,563 km (0.06 R)
• M6: 9,020,901 km (0.108 R)
• M7: 11,714,112 km (0.116 R)
• M8: 12,094,389 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.6

Radius: 14.8

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.73 AU - 4.81 AU

Year: 5985 Days

Day: 14.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,658,911 km

• M1: 185,651 km (0.103 R)
• M2: 653,892 km (0.095 R)
• M3: 1,662,780 km (0.05 R)
• M4: 2,538,227 km (0.107 R)
• M5: 3,154,570 km (0.107 R)
• M6: 5,000,907 km (0.096 R)
• M7: 5,722,268 km (0.104 R)
• M8: 7,042,320 km (0.037 R)
• M9: 7,990,172 km (0.077 R)
• M10: 8,978,565 km (0.113 R)
• M11: 9,547,187 km (0.113 R)
• M12: 11,298,529 km (0.041 R)
• M13: 14,344,491 km (0.114 R)
• M14: 14,941,087 km (0.084 R)
• M15: 15,492,206 km (0.073 R)
• M16: 20,031,304 km (0.074 R)
• M17: 23,046,150 km (0.118 R)
• M18: 27,520,772 km (0.074 R)
• M19: 30,155,340 km (0.036 R)
• M20: 33,679,866 km (0.112 R)
• M21: 34,204,955 km (0.098 R)
• M22: 35,163,727 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.9

Radius: 6.1

Gravity: 17.95 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.12 AU - 9.48 AU

Year: 14775 Days

Day: 18.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,658,911 km

• M1: 82,728 km (0.047 R)
• M2: 347,516 km (0.119 R)
• M3: 598,691 km (0.059 R)
• M4: 992,582 km (0.111 R)
• M5: 1,857,706 km (0.083 R)
• M6: 2,074,922 km (0.114 R)
• M7: 2,391,172 km (0.061 R)
• M8: 2,716,249 km (0.097 R)
• M9: 3,785,425 km (0.063 R)
• M10: 4,046,772 km (0.103 R)
• M11: 4,870,308 km (0.086 R)
• M12: 6,188,116 km (0.106 R)
• M13: 7,454,911 km (0.051 R)
• M14: 8,149,194 km (0.085 R)
• M15: 8,389,897 km (0.099 R)
• M16: 8,585,871 km (0.071 R)
• M17: 9,296,161 km (0.108 R)
• M18: 9,506,047 km (0.079 R)
• M19: 13,444,361 km (0.065 R)
• M20: 14,966,968 km (0.118 R)
• M21: 18,432,402 km (0.114 R)
• M22: 20,218,601 km (0.118 R)
• M23: 20,749,374 km (0.068 R)
• M24: 22,965,966 km (0.104 R)
• M25: 31,018,819 km (0.096 R)
• M26: 49,610,543 km (0.094 R)
• M27: 61,474,403 km (0.025 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 20,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit