🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 12.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.43 AU - 2.75 AU

Year: 2691 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,424,948 km

• M1: 173,384 km (0.026 R)
• M2: 600,037 km (0.062 R)
• M3: 1,143,227 km (0.102 R)
• M4: 2,500,379 km (0.106 R)
• M5: 3,781,685 km (0.093 R)
• M6: 4,421,814 km (0.063 R)
• M7: 8,490,427 km (0.077 R)
• M8: 9,013,272 km (0.093 R)
• M9: 9,459,971 km (0.12 R)
• M10: 10,889,528 km (0.098 R)
• M11: 11,507,367 km (0.12 R)
• M12: 12,419,316 km (0.064 R)
• M13: 14,088,080 km (0.104 R)
• M14: 14,516,828 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.6

Radius: 11.4

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.48 AU - 5.26 AU

Year: 5898 Days

Day: 8.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,424,948 km

• M1: 141,968 km (0.075 R)
• M2: 807,230 km (0.075 R)
• M3: 1,669,811 km (0.051 R)
• M4: 2,141,494 km (0.059 R)
• M5: 5,011,379 km (0.116 R)
• M6: 6,003,363 km (0.1 R)
• M7: 7,599,721 km (0.118 R)
• M8: 8,133,038 km (0.068 R)
• M9: 16,139,217 km (0.092 R)
• M10: 22,595,262 km (0.087 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.8

Radius: 5.4

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.57 AU - 7.57 AU

Year: 10873 Days

Day: 18.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,424,948 km

• M1: 68,217 km (0.052 R)
• M2: 292,613 km (0.103 R)
• M3: 514,617 km (0.116 R)
• M4: 1,434,045 km (0.085 R)
• M5: 1,885,083 km (0.097 R)
• M6: 2,694,856 km (0.093 R)
• M7: 3,669,187 km (0.084 R)
• M8: 4,454,426 km (0.03 R)
• M9: 5,228,595 km (0.098 R)
• M10: 5,865,433 km (0.076 R)
• M11: 6,121,246 km (0.049 R)
• M12: 6,968,867 km (0.04 R)
• M13: 7,219,593 km (0.114 R)
• M14: 9,710,398 km (0.101 R)
• M15: 11,342,810 km (0.025 R)
• M16: 11,590,095 km (0.059 R)
• M17: 12,774,162 km (0.113 R)
• M18: 13,980,071 km (0.115 R)
• M19: 15,200,191 km (0.082 R)
• M20: 16,552,855 km (0.058 R)
• M21: 19,214,201 km (0.101 R)
• M22: 26,131,158 km (0.104 R)
• M23: 26,911,311 km (0.095 R)
• M24: 29,904,914 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.8

Radius: 3.2

Gravity: 33.09 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.77 AU - 7.99 AU

Year: 11652 Days

Day: 17.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,424,948 km

• M1: 39,943 km (0.071 R)
• M2: 178,470 km (0.099 R)
• M3: 445,054 km (0.065 R)
• M4: 1,051,972 km (0.031 R)
• M5: 1,194,838 km (0.094 R)
• M6: 1,492,688 km (0.114 R)
• M7: 1,717,234 km (0.096 R)
• M8: 2,012,690 km (0.094 R)
• M9: 3,102,510 km (0.106 R)
• M10: 3,213,661 km (0.066 R)
• M11: 4,706,499 km (0.057 R)
• M12: 5,602,440 km (0.111 R)
• M13: 5,767,596 km (0.073 R)
• M14: 6,212,500 km (0.051 R)
• M15: 7,683,795 km (0.117 R)
• M16: 9,937,487 km (0.104 R)
• M17: 12,205,690 km (0.115 R)
• M18: 12,936,625 km (0.084 R)
• M19: 16,219,252 km (0.097 R)
• M20: 18,740,275 km (0.069 R)
• M21: 19,484,225 km (0.093 R)
• M22: 24,278,388 km (0.112 R)
• M23: 26,158,085 km (0.08 R)
• M24: 26,619,595 km (0.112 R)
• M25: 29,502,794 km (0.106 R)
• M26: 32,693,717 km (0.085 R)
• M27: 32,800,231 km (0.102 R)
• M28: 33,228,978 km (0.098 R)
• M29: 33,336,689 km (0.045 R)
• M30: 34,758,916 km (0.118 R)
• M31: 36,794,045 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.9

Radius: 4.4

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.15 AU - 8.35 AU

Year: 13931 Days

Day: 19.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,424,948 km

• M1: 54,753 km (0.113 R)
• M2: 359,035 km (0.12 R)
• M3: 643,720 km (0.057 R)
• M4: 932,593 km (0.099 R)
• M5: 1,224,309 km (0.059 R)
• M6: 1,361,789 km (0.085 R)
• M7: 3,571,799 km (0.106 R)
• M8: 4,051,858 km (0.105 R)
• M9: 4,307,521 km (0.109 R)
• M10: 6,649,476 km (0.075 R)
• M11: 8,639,127 km (0.085 R)
• M12: 9,192,340 km (0.028 R)
• M13: 9,950,951 km (0.092 R)
• M14: 13,127,064 km (0.102 R)
• M15: 15,093,528 km (0.109 R)
• M16: 15,832,092 km (0.049 R)
• M17: 17,783,148 km (0.049 R)
• M18: 18,398,294 km (0.117 R)
• M19: 19,526,860 km (0.075 R)
• M20: 20,329,004 km (0.076 R)
• M21: 22,946,967 km (0.111 R)
• M22: 24,253,256 km (0.087 R)
• M23: 26,923,727 km (0.112 R)
• M24: 33,764,838 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 19,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit