🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667

Radius: 10.8

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.03 AU - 2.69 AU

Year: 2378 Days

Day: 5.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 126.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,126,282 km

• M1: 134,488 km (0.112 R)
• M2: 663,317 km (0.059 R)
• M3: 1,058,704 km (0.061 R)
• M4: 1,603,988 km (0.083 R)
• M5: 2,111,424 km (0.103 R)
• M6: 2,709,217 km (0.088 R)
• M7: 3,064,812 km (0.113 R)
• M8: 3,557,886 km (0.055 R)
• M9: 4,407,153 km (0.083 R)
• M10: 5,014,670 km (0.116 R)
• M11: 5,927,516 km (0.073 R)
• M12: 7,470,170 km (0.097 R)
• M13: 7,863,612 km (0.086 R)
• M14: 8,238,953 km (0.062 R)
• M15: 9,790,732 km (0.08 R)
• M16: 10,188,961 km (0.065 R)
• M17: 11,330,543 km (0.114 R)
• M18: 12,055,195 km (0.115 R)
• M19: 12,471,077 km (0.087 R)
• M20: 14,185,020 km (0.112 R)
• M21: 16,554,500 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.5

Radius: 9.4

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.27 AU - 2.81 AU

Year: 2656 Days

Day: 8.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,126,282 km

• M1: 116,836 km (0.078 R)
• M2: 449,990 km (0.069 R)
• M3: 1,056,311 km (0.115 R)
• M4: 1,799,812 km (0.096 R)
• M5: 2,094,071 km (0.083 R)
• M6: 2,751,554 km (0.072 R)
• M7: 3,195,111 km (0.078 R)
• M8: 4,205,795 km (0.117 R)
• M9: 5,274,372 km (0.119 R)
• M10: 7,044,265 km (0.075 R)
• M11: 8,032,508 km (0.1 R)
• M12: 10,732,301 km (0.09 R)
• M13: 11,551,499 km (0.073 R)
• M14: 12,120,419 km (0.086 R)
• M15: 13,894,501 km (0.09 R)
• M16: 15,394,518 km (0.112 R)
• M17: 16,284,177 km (0.117 R)
• M18: 18,003,954 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.6

Radius: 13.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.19 AU - 3.11 AU

Year: 2830 Days

Day: 14.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,126,282 km

• M1: 169,195 km (0.113 R)
• M2: 664,215 km (0.087 R)
• M3: 1,134,101 km (0.082 R)
• M4: 1,596,359 km (0.04 R)
• M5: 2,689,022 km (0.11 R)
• M6: 3,515,700 km (0.099 R)
• M7: 5,043,991 km (0.104 R)
• M8: 6,009,646 km (0.066 R)
• M9: 7,243,529 km (0.073 R)
• M10: 8,373,442 km (0.051 R)
• M11: 9,015,516 km (0.085 R)
• M12: 9,473,584 km (0.104 R)
• M13: 13,490,886 km (0.055 R)
• M14: 14,806,449 km (0.109 R)
• M15: 15,696,407 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.1

Radius: 11.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.61 AU - 3.57 AU

Year: 3563 Days

Day: 5.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 125.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,126,282 km

• M1: 148,850 km (0.077 R)
• M2: 770,279 km (0.1 R)
• M3: 1,196,035 km (0.102 R)
• M4: 2,160,193 km (0.039 R)
• M5: 2,672,566 km (0.083 R)
• M6: 3,083,063 km (0.057 R)
• M7: 3,552,351 km (0.092 R)
• M8: 3,979,603 km (0.075 R)
• M9: 4,917,731 km (0.027 R)
• M10: 6,284,906 km (0.082 R)
• M11: 6,913,217 km (0.084 R)
• M12: 7,391,182 km (0.089 R)
• M13: 8,120,621 km (0.083 R)
• M14: 10,358,306 km (0.066 R)
• M15: 12,900,423 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.8

Radius: 5.2

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.45 AU - 7.25 AU

Year: 10497 Days

Day: 15.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,126,282 km

• M1: 64,925 km (0.115 R)
• M2: 601,982 km (0.08 R)
• M3: 1,385,127 km (0.117 R)
• M4: 5,141,978 km (0.093 R)
• M5: 8,866,965 km (0.116 R)
• M6: 9,874,507 km (0.099 R)
• M7: 11,039,276 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.5

Radius: 5.7

Gravity: 18.61 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.99 AU - 8.09 AU

Year: 14955 Days

Day: 20.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,126,282 km

• M1: 71,059 km (0.078 R)
• M2: 426,952 km (0.092 R)
• M3: 701,614 km (0.12 R)
• M4: 880,533 km (0.083 R)
• M5: 1,566,140 km (0.103 R)
• M6: 2,558,423 km (0.092 R)
• M7: 2,943,488 km (0.075 R)
• M8: 3,716,161 km (0.101 R)
• M9: 4,090,006 km (0.081 R)
• M10: 9,011,776 km (0.056 R)
• M11: 9,580,098 km (0.058 R)
• M12: 10,008,247 km (0.113 R)
• M13: 12,280,040 km (0.103 R)
• M14: 16,792,959 km (0.095 R)
• M15: 17,573,112 km (0.116 R)
• M16: 23,433,459 km (0.107 R)
• M17: 29,793,164 km (0.119 R)
• M18: 32,105,199 km (0.096 R)
• M19: 32,941,750 km (0.096 R)
• M20: 35,412,359 km (0.116 R)
• M21: 36,176,954 km (0.056 R)
• M22: 42,265,587 km (0.102 R)
• M23: 46,379,379 km (0.074 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 18,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit