🌌 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: 653.8

Radius: 12.2

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.38 AU - 2.8 AU

Year: 2734 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,798,856 km

• M1: 151,991 km (0.034 R)
• M2: 873,801 km (0.103 R)
• M3: 1,395,599 km (0.068 R)
• M4: 2,306,500 km (0.049 R)
• M5: 2,784,316 km (0.065 R)
• M6: 3,328,104 km (0.098 R)
• M7: 4,142,365 km (0.088 R)
• M8: 4,542,539 km (0.072 R)
• M9: 5,108,767 km (0.104 R)
• M10: 5,520,311 km (0.111 R)
• M11: 6,465,620 km (0.075 R)
• M12: 7,424,243 km (0.103 R)
• M13: 8,017,847 km (0.096 R)
• M14: 8,609,208 km (0.063 R)
• M15: 9,054,262 km (0.096 R)
• M16: 10,253,588 km (0.027 R)
• M17: 10,911,369 km (0.093 R)
• M18: 11,597,126 km (0.093 R)
• M19: 12,013,756 km (0.071 R)
• M20: 12,526,877 km (0.107 R)
• M21: 13,505,845 km (0.095 R)
• M22: 15,068,844 km (0.088 R)
• M23: 15,565,509 km (0.118 R)
• M24: 16,487,032 km (0.056 R)
• M25: 17,067,920 km (0.078 R)
• M26: 18,438,835 km (0.088 R)
• M27: 19,470,462 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.5

Radius: 14

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.34 AU - 3.48 AU

Year: 4131 Days

Day: 6.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,798,856 km

• M1: 174,132 km (0.1 R)
• M2: 786,436 km (0.101 R)
• M3: 1,230,293 km (0.082 R)
• M4: 2,020,768 km (0.093 R)
• M5: 4,144,310 km (0.093 R)
• M6: 5,338,400 km (0.089 R)
• M7: 6,782,468 km (0.097 R)
• M8: 9,004,745 km (0.061 R)
• M9: 9,517,865 km (0.027 R)
• M10: 10,092,321 km (0.051 R)
• M11: 16,239,148 km (0.094 R)
• M12: 22,369,968 km (0.067 R)
• M13: 26,625,878 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.4

Radius: 8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.66 AU - 6.36 AU

Year: 8485 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,798,856 km

• M1: 115,190 km (0.092 R)
• M2: 371,452 km (0.093 R)
• M3: 771,027 km (0.086 R)
• M4: 1,101,788 km (0.114 R)
• M5: 2,441,288 km (0.079 R)
• M6: 3,439,255 km (0.083 R)
• M7: 7,016,439 km (0.087 R)
• M8: 8,156,824 km (0.086 R)
• M9: 11,614,629 km (0.072 R)
• M10: 13,745,950 km (0.107 R)
• M11: 16,619,725 km (0.09 R)
• M12: 17,060,440 km (0.044 R)
• M13: 20,224,735 km (0.07 R)
• M14: 22,743,813 km (0.115 R)
• M15: 25,133,938 km (0.085 R)
• M16: 27,423,833 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.7

Radius: 4.1

Gravity: 39.3 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.5 AU - 7.4 AU

Year: 9521 Days

Day: 18.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,798,856 km

• M1: 51,013 km (0.103 R)
• M2: 211,831 km (0.089 R)
• M3: 468,989 km (0.034 R)
• M4: 668,254 km (0.076 R)
• M5: 1,299,557 km (0.094 R)
• M6: 2,134,163 km (0.109 R)
• M7: 3,252,856 km (0.111 R)
• M8: 3,898,072 km (0.116 R)
• M9: 4,536,555 km (0.1 R)
• M10: 5,705,513 km (0.113 R)
• M11: 11,121,704 km (0.092 R)
• M12: 15,553,840 km (0.032 R)
• M13: 18,156,095 km (0.113 R)
• M14: 20,148,888 km (0.115 R)
• M15: 22,624,135 km (0.069 R)
• M16: 23,668,478 km (0.112 R)
• M17: 34,552,321 km (0.076 R)
• M18: 45,560,630 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.9

Radius: 3.6

Gravity: 63.42 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.44 AU - 7.72 AU

Year: 13690 Days

Day: 18.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,798,856 km

• M1: 48,021 km (0.049 R)
• M2: 240,105 km (0.116 R)
• M3: 386,860 km (0.117 R)
• M4: 539,300 km (0.096 R)
• M5: 769,083 km (0.109 R)
• M6: 1,025,344 km (0.053 R)
• M7: 1,307,635 km (0.066 R)
• M8: 1,452,147 km (0.079 R)
• M9: 1,896,303 km (0.109 R)
• M10: 2,362,001 km (0.069 R)
• M11: 3,598,128 km (0.054 R)
• M12: 4,213,574 km (0.051 R)
• M13: 4,964,854 km (0.086 R)
• M14: 6,477,289 km (0.067 R)
• M15: 6,770,201 km (0.032 R)
• M16: 7,204,035 km (0.115 R)
• M17: 7,656,120 km (0.113 R)
• M18: 8,369,103 km (0.045 R)
• M19: 8,868,461 km (0.104 R)
• M20: 12,608,258 km (0.106 R)
• M21: 13,130,804 km (0.075 R)
• M22: 14,713,250 km (0.113 R)
• M23: 18,086,383 km (0.112 R)
• M24: 18,582,898 km (0.068 R)
• M25: 20,839,881 km (0.103 R)
• M26: 21,020,595 km (0.104 R)
• M27: 28,029,555 km (0.108 R)
• M28: 28,360,465 km (0.077 R)
• M29: 30,401,279 km (0.064 R)
• M30: 32,659,160 km (0.086 R)
• M31: 32,781,082 km (0.082 R)
• M32: 36,579,073 km (0.108 R)
• M33: 38,583,684 km (0.079 R)
• M34: 43,102,139 km (0.105 R)
• M35: 45,185,289 km (0.055 R)
• M36: 47,490,442 km (0.087 R)
• M37: 54,359,827 km (0.106 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 13,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit