🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.7

Radius: 8

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.59 AU - 0.59 AU

Year: 302 Days

Day: 7 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,724,009 km

• M1: 99,483 km (0.101 R)
• M2: 424,409 km (0.089 R)
• M3: 699,520 km (0.094 R)
• M4: 991,983 km (0.066 R)
• M5: 1,548,039 km (0.05 R)
• M6: 1,840,951 km (0.091 R)
• M7: 2,337,916 km (0.12 R)
• M8: 3,027,861 km (0.104 R)
• M9: 3,800,684 km (0.105 R)
• M10: 4,117,681 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.4

Radius: 12.4

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.57 AU - 0.67 AU

Year: 326 Days

Day: 5.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 64,724,009 km

• M1: 154,535 km (0.092 R)
• M2: 578,196 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.9

Radius: 11.3

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.58 AU - 0.86 AU

Year: 407 Days

Day: 12.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,724,009 km

• M1: 140,472 km (0.086 R)
• M2: 532,868 km (0.116 R)
• M3: 913,744 km (0.105 R)
• M4: 1,331,122 km (0.082 R)
• M5: 2,015,831 km (0.086 R)
• M6: 2,492,899 km (0.047 R)
• M7: 2,913,269 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.5

Radius: 10.3

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.17 AU - 1.19 AU

Year: 855 Days

Day: 10.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,724,009 km

• M1: 128,654 km (0.1 R)
• M2: 501,003 km (0.095 R)
• M3: 976,126 km (0.093 R)
• M4: 1,426,117 km (0.115 R)
• M5: 1,854,266 km (0.111 R)
• M6: 2,668,676 km (0.076 R)
• M7: 3,474,261 km (0.116 R)
• M8: 6,555,977 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.9

Radius: 7.8

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.71 AU - 7.75 AU

Year: 14332 Days

Day: 18.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,724,009 km

• M1: 97,089 km (0.098 R)
• M2: 374,443 km (0.098 R)
• M3: 746,344 km (0.097 R)
• M4: 1,245,103 km (0.12 R)
• M5: 1,933,702 km (0.066 R)
• M6: 2,372,173 km (0.11 R)
• M7: 2,811,393 km (0.097 R)
• M8: 3,447,782 km (0.071 R)
• M9: 4,260,398 km (0.059 R)
• M10: 4,518,753 km (0.104 R)
• M11: 4,879,583 km (0.115 R)
• M12: 6,332,777 km (0.097 R)
• M13: 6,901,548 km (0.117 R)
• M14: 9,234,527 km (0.063 R)
• M15: 9,866,129 km (0.08 R)
• M16: 10,840,610 km (0.115 R)
• M17: 11,433,316 km (0.082 R)
• M18: 12,218,705 km (0.112 R)
• M19: 17,338,244 km (0.076 R)
• M20: 21,225,694 km (0.11 R)
• M21: 23,460,088 km (0.118 R)
• M22: 23,727,569 km (0.06 R)
• M23: 24,087,352 km (0.089 R)
• M24: 27,789,151 km (0.119 R)
• M25: 30,882,536 km (0.07 R)
• M26: 32,511,956 km (0.089 R)
• M27: 34,198,073 km (0.11 R)
• M28: 36,297,231 km (0.106 R)
• M29: 37,743,393 km (0.1 R)
• M30: 40,879,114 km (0.084 R)
• M31: 43,509,344 km (0.039 R)
• M32: 45,278,339 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.6

Radius: 7.9

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.08 AU - 8.44 AU

Year: 14415 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 130.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,724,009 km

• M1: 139,425 km (0.118 R)
• M2: 1,037,012 km (0.039 R)
• M3: 1,757,326 km (0.092 R)
• M4: 2,099,008 km (0.064 R)
• M5: 2,420,643 km (0.074 R)
• M6: 2,869,138 km (0.029 R)
• M7: 3,215,008 km (0.117 R)
• M8: 3,931,731 km (0.102 R)
• M9: 4,391,296 km (0.034 R)
• M10: 4,683,909 km (0.096 R)
• M11: 5,716,733 km (0.097 R)
• M12: 7,794,947 km (0.115 R)
• M13: 8,079,931 km (0.105 R)
• M14: 9,503,354 km (0.042 R)
• M15: 11,508,415 km (0.085 R)
• M16: 14,057,413 km (0.108 R)
• M17: 15,277,832 km (0.043 R)
• M18: 15,876,074 km (0.114 R)
• M19: 25,654,240 km (0.07 R)
• M20: 26,713,093 km (0.115 R)
• M21: 27,144,683 km (0.097 R)
• M22: 28,917,717 km (0.05 R)
• M23: 39,786,601 km (0.067 R)
• M24: 40,917,710 km (0.087 R)
• M25: 51,080,791 km (0.107 R)
• M26: 53,433,517 km (0.076 R)
• M27: 54,809,817 km (0.106 R)
• M28: 57,096,421 km (0.053 R)
• M29: 60,551,833 km (0.105 R)
• M30: 61,109,833 km (0.032 R)
• M31: 63,759,510 km (0.109 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: 302 - 11,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit