🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861

Radius: 9.7

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.57 AU - 0.59 AU

Year: 295 Days

Day: 5.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,393,653 km

• M1: 121,025 km (0.075 R)
• M2: 452,384 km (0.079 R)
• M3: 774,319 km (0.1 R)
• M4: 1,124,378 km (0.107 R)
• M5: 1,574,817 km (0.105 R)
• M6: 2,063,104 km (0.114 R)
• M7: 2,669,125 km (0.102 R)
• M8: 3,214,260 km (0.096 R)
• M9: 3,536,793 km (0.079 R)
• M10: 4,472,827 km (0.068 R)
• M11: 4,833,507 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.2

Radius: 14.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.51 AU - 0.67 AU

Year: 302 Days

Day: 13.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,393,653 km

• M1: 185,352 km (0.1 R)
• M2: 652,097 km (0.119 R)
• M3: 1,561,951 km (0.099 R)
• M4: 2,077,017 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.4

Radius: 11.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.7 AU - 0.78 AU

Year: 424 Days

Day: 9.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,393,653 km

• M1: 141,520 km (0.032 R)
• M2: 509,231 km (0.105 R)
• M3: 1,013,077 km (0.08 R)
• M4: 1,429,258 km (0.103 R)
• M5: 1,850,077 km (0.038 R)
• M6: 2,286,005 km (0.026 R)
• M7: 2,648,331 km (0.088 R)
• M8: 3,324,513 km (0.094 R)
• M9: 3,745,183 km (0.099 R)
• M10: 4,410,145 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.1

Radius: 10.8

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.59 AU - 5.55 AU

Year: 6515 Days

Day: 11.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,393,653 km

• M1: 135,386 km (0.081 R)
• M2: 472,430 km (0.098 R)
• M3: 1,661,434 km (0.115 R)
• M4: 2,103,346 km (0.094 R)
• M5: 2,605,696 km (0.081 R)
• M6: 3,227,125 km (0.114 R)
• M7: 3,852,594 km (0.095 R)
• M8: 4,713,380 km (0.111 R)
• M9: 5,345,730 km (0.118 R)
• M10: 6,033,731 km (0.103 R)
• M11: 7,018,683 km (0.049 R)
• M12: 7,549,905 km (0.114 R)
• M13: 8,893,893 km (0.118 R)
• M14: 9,347,623 km (0.104 R)
• M15: 9,860,145 km (0.106 R)
• M16: 10,481,724 km (0.085 R)
• M17: 12,301,134 km (0.077 R)
• M18: 13,021,747 km (0.072 R)
• M19: 13,934,144 km (0.091 R)
• M20: 15,826,557 km (0.086 R)
• M21: 16,310,057 km (0.116 R)
• M22: 19,696,205 km (0.111 R)
• M23: 21,553,612 km (0.11 R)
• M24: 23,136,807 km (0.105 R)
• M25: 24,715,363 km (0.108 R)
• M26: 27,910,475 km (0.057 R)
• M27: 30,713,191 km (0.076 R)
• M28: 31,371,122 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.8

Radius: 6.6

Gravity: 15.51 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.41 AU - 6.23 AU

Year: 9363 Days

Day: 21.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,393,653 km

• M1: 82,129 km (0.116 R)
• M2: 425,307 km (0.087 R)
• M3: 651,349 km (0.088 R)
• M4: 874,100 km (0.097 R)
• M5: 1,350,270 km (0.071 R)
• M6: 1,889,720 km (0.102 R)
• M7: 2,744,822 km (0.115 R)
• M8: 4,099,281 km (0.11 R)
• M9: 4,606,717 km (0.043 R)
• M10: 5,379,839 km (0.053 R)
• M11: 5,644,776 km (0.069 R)
• M12: 8,347,860 km (0.095 R)
• M13: 9,115,297 km (0.099 R)
• M14: 9,397,140 km (0.113 R)
• M15: 10,378,502 km (0.059 R)
• M16: 10,894,166 km (0.079 R)
• M17: 11,105,099 km (0.096 R)
• M18: 12,371,594 km (0.086 R)
• M19: 13,188,099 km (0.075 R)
• M20: 15,057,624 km (0.065 R)
• M21: 17,454,182 km (0.12 R)
• M22: 18,705,119 km (0.098 R)
• M23: 20,411,133 km (0.101 R)
• M24: 21,715,328 km (0.086 R)
• M25: 23,774,243 km (0.119 R)
• M26: 27,684,582 km (0.084 R)
• M27: 28,078,024 km (0.089 R)
• M28: 32,219,193 km (0.084 R)
• M29: 37,225,186 km (0.112 R)
• M30: 43,383,083 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.7

Radius: 3.3

Gravity: 24.77 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.79 AU - 12.81 AU

Year: 23668 Days

Day: 15.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,393,653 km

• M1: 40,990 km (0.078 R)
• M2: 165,754 km (0.092 R)
• M3: 570,417 km (0.094 R)
• M4: 2,008,501 km (0.112 R)
• M5: 2,302,311 km (0.075 R)
• M6: 4,562,286 km (0.11 R)
• M7: 6,110,175 km (0.063 R)
• M8: 6,350,729 km (0.119 R)
• M9: 6,514,688 km (0.07 R)
• M10: 7,882,013 km (0.067 R)
• M11: 8,409,794 km (0.09 R)
• M12: 8,960,912 km (0.029 R)
• M13: 9,589,074 km (0.059 R)
• M14: 9,968,753 km (0.078 R)
• M15: 11,527,713 km (0.076 R)
• M16: 14,124,433 km (0.104 R)
• M17: 16,157,617 km (0.073 R)
• M18: 22,263,604 km (0.099 R)
• M19: 22,832,525 km (0.104 R)
• M20: 25,205,446 km (0.11 R)
• M21: 26,662,978 km (0.089 R)
• M22: 27,520,473 km (0.109 R)
• M23: 28,618,073 km (0.102 R)
• M24: 31,017,323 km (0.095 R)
• M25: 45,647,845 km (0.088 R)
• M26: 49,390,186 km (0.055 R)
• M27: 54,519,897 km (0.062 R)
• M28: 61,648,385 km (0.105 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: 236 - 10,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit