🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.4

Radius: 13.9

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.66 AU - 0.98 AU

Year: 487 Days

Day: 11.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,451,653 km

• M1: 172,935 km (0.106 R)
• M2: 652,845 km (0.118 R)
• M3: 1,310,627 km (0.088 R)
• M4: 2,113,668 km (0.086 R)
• M5: 2,773,245 km (0.083 R)
• M6: 3,678,761 km (0.101 R)
• M7: 4,409,696 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.9

Radius: 14.5

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.41 AU - 1.61 AU

Year: 1217 Days

Day: 12.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,451,653 km

• M1: 180,415 km (0.111 R)
• M2: 671,694 km (0.104 R)
• M3: 1,241,064 km (0.07 R)
• M4: 1,754,633 km (0.059 R)
• M5: 2,401,943 km (0.105 R)
• M6: 3,050,749 km (0.045 R)
• M7: 3,572,996 km (0.088 R)
• M8: 4,317,694 km (0.068 R)
• M9: 5,529,137 km (0.082 R)
• M10: 6,099,704 km (0.091 R)
• M11: 6,811,789 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.4

Radius: 13.4

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.98 AU - 2.7 AU

Year: 2348 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,451,653 km

• M1: 166,951 km (0.04 R)
• M2: 854,653 km (0.06 R)
• M3: 2,012,391 km (0.105 R)
• M4: 2,715,949 km (0.067 R)
• M5: 3,610,245 km (0.065 R)
• M6: 4,232,423 km (0.101 R)
• M7: 5,289,182 km (0.091 R)
• M8: 5,736,630 km (0.09 R)
• M9: 6,659,349 km (0.102 R)
• M10: 9,553,918 km (0.085 R)
• M11: 10,449,411 km (0.093 R)
• M12: 12,518,948 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.3

Radius: 9.6

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3 AU - 3.24 AU

Year: 3615 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,451,653 km

• M1: 119,379 km (0.102 R)
• M2: 584,778 km (0.119 R)
• M3: 1,061,098 km (0.073 R)
• M4: 1,897,649 km (0.081 R)
• M5: 2,549,896 km (0.085 R)
• M6: 3,421,303 km (0.053 R)
• M7: 5,367,123 km (0.097 R)
• M8: 5,769,990 km (0.068 R)
• M9: 7,228,420 km (0.119 R)
• M10: 7,720,447 km (0.1 R)
• M11: 9,639,937 km (0.116 R)
• M12: 10,399,595 km (0.113 R)
• M13: 11,459,346 km (0.088 R)
• M14: 11,813,295 km (0.075 R)
• M15: 12,683,057 km (0.106 R)
• M16: 13,302,392 km (0.073 R)
• M17: 13,742,958 km (0.088 R)
• M18: 14,447,414 km (0.119 R)
• M19: 16,593,396 km (0.038 R)
• M20: 18,216,383 km (0.114 R)
• M21: 21,440,217 km (0.079 R)
• M22: 22,114,305 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.6

Radius: 5.6

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.52 AU - 7.42 AU

Year: 10796 Days

Day: 17.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,451,653 km

• M1: 69,862 km (0.076 R)
• M2: 446,101 km (0.061 R)
• M3: 1,331,870 km (0.118 R)
• M4: 1,670,559 km (0.112 R)
• M5: 2,189,963 km (0.106 R)
• M6: 3,368,645 km (0.105 R)
• M7: 8,264,684 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.1

Radius: 3

Gravity: 70.12 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 8.65 AU - 13.35 AU

Year: 23933 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,451,653 km

• M1: 39,494 km (0.063 R)
• M2: 136,583 km (0.116 R)
• M3: 238,010 km (0.082 R)
• M4: 755,918 km (0.075 R)
• M5: 1,309,580 km (0.109 R)
• M6: 2,050,688 km (0.098 R)
• M7: 3,374,030 km (0.12 R)
• M8: 3,961,651 km (0.115 R)
• M9: 6,350,729 km (0.117 R)
• M10: 6,856,070 km (0.087 R)
• M11: 7,289,156 km (0.067 R)
• M12: 11,364,651 km (0.102 R)
• M13: 13,614,753 km (0.092 R)
• M14: 14,374,560 km (0.11 R)
• M15: 15,403,943 km (0.031 R)
• M16: 17,875,300 km (0.114 R)
• M17: 21,395,338 km (0.112 R)
• M18: 21,699,470 km (0.06 R)
• M19: 22,316,412 km (0.084 R)
• M20: 23,157,152 km (0.092 R)
• M21: 27,919,002 km (0.104 R)
• M22: 31,042,007 km (0.087 R)
• M23: 31,431,709 km (0.107 R)
• M24: 40,852,336 km (0.108 R)
• M25: 42,266,784 km (0.102 R)
• M26: 45,027,164 km (0.047 R)
• M27: 48,425,429 km (0.047 R)
• M28: 59,838,550 km (0.119 R)
• M29: 67,783,693 km (0.105 R)
• M30: 74,299,129 km (0.103 R)
• M31: 78,786,766 km (0.049 R)
• M32: 80,729,145 km (0.052 R)
• M33: 82,703,238 km (0.05 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 16,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit