🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.5

Radius: 11.8

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.92 AU - 1.22 AU

Year: 715 Days

Day: 14.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,364,907 km

• M1: 147,204 km (0.089 R)
• M2: 622,327 km (0.091 R)
• M3: 1,003,802 km (0.085 R)
• M4: 2,001,320 km (0.068 R)
• M5: 2,712,658 km (0.086 R)
• M6: 3,218,748 km (0.101 R)
• M7: 3,816,690 km (0.101 R)
• M8: 4,471,331 km (0.026 R)
• M9: 5,126,719 km (0.117 R)
• M10: 6,146,827 km (0.04 R)
• M11: 6,565,252 km (0.077 R)
• M12: 7,025,116 km (0.057 R)
• M13: 8,307,319 km (0.045 R)
• M14: 8,846,021 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.8

Radius: 11.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.37 AU - 2.15 AU

Year: 1508 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,364,907 km

• M1: 144,212 km (0.116 R)
• M2: 618,288 km (0.1 R)
• M3: 1,139,936 km (0.038 R)
• M4: 1,673,701 km (0.11 R)
• M5: 2,096,913 km (0.063 R)
• M6: 2,529,102 km (0.036 R)
• M7: 3,252,557 km (0.111 R)
• M8: 3,655,424 km (0.067 R)
• M9: 5,254,176 km (0.108 R)
• M10: 5,834,167 km (0.113 R)
• M11: 6,771,548 km (0.093 R)
• M12: 7,406,740 km (0.104 R)
• M13: 9,033,916 km (0.106 R)
• M14: 10,584,648 km (0.105 R)
• M15: 11,617,621 km (0.088 R)
• M16: 12,379,822 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118

Radius: 11.2

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.56 AU - 4 AU

Year: 3836 Days

Day: 9.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,364,907 km

• M1: 211,531 km (0.118 R)
• M2: 583,282 km (0.062 R)
• M3: 1,072,168 km (0.043 R)
• M4: 1,605,185 km (0.115 R)
• M5: 2,901,600 km (0.101 R)
• M6: 4,183,504 km (0.104 R)
• M7: 4,920,723 km (0.051 R)
• M8: 5,385,823 km (0.035 R)
• M9: 9,067,875 km (0.112 R)
• M10: 9,478,072 km (0.035 R)
• M11: 12,588,511 km (0.057 R)
• M12: 13,954,190 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.5

Radius: 9.6

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.76 AU - 3.88 AU

Year: 4821 Days

Day: 9.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,364,907 km

• M1: 119,529 km (0.076 R)
• M2: 438,172 km (0.113 R)
• M3: 768,484 km (0.062 R)
• M4: 1,204,562 km (0.079 R)
• M5: 1,583,344 km (0.093 R)
• M6: 1,945,820 km (0.09 R)
• M7: 2,788,504 km (0.109 R)
• M8: 3,302,672 km (0.092 R)
• M9: 3,966,438 km (0.077 R)
• M10: 5,558,608 km (0.117 R)
• M11: 5,870,220 km (0.082 R)
• M12: 7,886,052 km (0.11 R)
• M13: 8,207,538 km (0.073 R)
• M14: 8,650,048 km (0.073 R)
• M15: 9,462,514 km (0.087 R)
• M16: 9,866,877 km (0.047 R)
• M17: 10,537,973 km (0.116 R)
• M18: 14,358,104 km (0.115 R)
• M19: 14,784,758 km (0.105 R)
• M20: 16,634,535 km (0.07 R)
• M21: 18,258,869 km (0.1 R)
• M22: 19,013,740 km (0.072 R)
• M23: 22,101,141 km (0.109 R)
• M24: 22,670,211 km (0.096 R)
• M25: 24,511,761 km (0.088 R)
• M26: 25,430,142 km (0.069 R)
• M27: 26,610,320 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.2

Radius: 13.2

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.43 AU - 5.67 AU

Year: 7327 Days

Day: 10.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,364,907 km

• M1: 164,258 km (0.072 R)
• M2: 579,393 km (0.086 R)
• M3: 1,047,933 km (0.115 R)
• M4: 1,558,810 km (0.098 R)
• M5: 4,079,085 km (0.106 R)
• M6: 5,964,318 km (0.084 R)
• M7: 6,416,552 km (0.083 R)
• M8: 7,195,658 km (0.058 R)
• M9: 7,790,160 km (0.104 R)
• M10: 9,122,927 km (0.064 R)
• M11: 9,630,812 km (0.086 R)
• M12: 10,957,894 km (0.1 R)
• M13: 11,692,420 km (0.044 R)
• M14: 13,318,399 km (0.081 R)
• M15: 16,536,100 km (0.119 R)
• M16: 17,785,990 km (0.054 R)
• M17: 21,265,786 km (0.089 R)
• M18: 24,025,867 km (0.063 R)
• M19: 24,552,152 km (0.097 R)
• M20: 27,585,847 km (0.111 R)
• M21: 37,348,754 km (0.113 R)

Asteroid Belt

Center: 6.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.7

Radius: 6.6

Gravity: 21.48 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.71 AU - 8.03 AU

Year: 14255 Days

Day: 17.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,364,907 km

• M1: 82,129 km (0.084 R)
• M2: 352,602 km (0.118 R)
• M3: 573,409 km (0.104 R)
• M4: 2,105,889 km (0.103 R)
• M5: 2,522,071 km (0.104 R)
• M6: 3,435,216 km (0.03 R)
• M7: 4,228,683 km (0.038 R)
• M8: 5,066,880 km (0.08 R)
• M9: 7,853,290 km (0.053 R)
• M10: 12,542,435 km (0.103 R)
• M11: 15,885,798 km (0.066 R)
• M12: 18,730,701 km (0.104 R)
• M13: 25,299,992 km (0.109 R)
• M14: 28,353,584 km (0.098 R)
• M15: 29,038,443 km (0.061 R)
• M16: 39,252,985 km (0.087 R)
• M17: 41,402,108 km (0.101 R)
• M18: 46,246,835 km (0.065 R)
• M19: 48,480,182 km (0.112 R)
• M20: 50,951,838 km (0.113 R)
• M21: 57,405,191 km (0.085 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: 249 - 17,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit