🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.9

Radius: 9.3

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.64 AU - 0.82 AU

Year: 431 Days

Day: 13 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,643,943 km

• M1: 115,639 km (0.117 R)
• M2: 483,949 km (0.094 R)
• M3: 872,904 km (0.089 R)
• M4: 1,321,248 km (0.026 R)
• M5: 1,709,156 km (0.09 R)
• M6: 2,243,818 km (0.077 R)
• M7: 2,717,595 km (0.102 R)
• M8: 3,039,829 km (0.112 R)
• M9: 3,521,683 km (0.071 R)
• M10: 4,053,803 km (0.078 R)
• M11: 5,766,250 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.8

Radius: 13

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.02 AU - 1.34 AU

Year: 885 Days

Day: 14.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,643,943 km

• M1: 161,715 km (0.116 R)
• M2: 954,734 km (0.097 R)
• M3: 1,365,081 km (0.106 R)
• M4: 2,169,768 km (0.102 R)
• M5: 2,641,898 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830

Radius: 11.3

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.05 AU - 1.35 AU

Year: 907 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,643,943 km

• M1: 140,472 km (0.059 R)
• M2: 631,453 km (0.077 R)
• M3: 1,067,979 km (0.104 R)
• M4: 1,466,957 km (0.104 R)
• M5: 1,937,592 km (0.118 R)
• M6: 2,531,196 km (0.051 R)
• M7: 3,093,385 km (0.114 R)
• M8: 3,527,967 km (0.099 R)
• M9: 4,003,089 km (0.064 R)
• M10: 4,608,362 km (0.114 R)
• M11: 5,430,253 km (0.094 R)
• M12: 5,834,915 km (0.062 R)
• M13: 7,267,465 km (0.11 R)
• M14: 9,837,706 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.83 AU - 2.07 AU

Year: 1880 Days

Day: 11.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,643,943 km

• M1: 99,483 km (0.086 R)
• M2: 482,603 km (0.037 R)
• M3: 817,552 km (0.063 R)
• M4: 1,153,250 km (0.12 R)
• M5: 1,546,842 km (0.108 R)
• M6: 1,998,179 km (0.088 R)
• M7: 2,569,792 km (0.058 R)
• M8: 2,875,271 km (0.092 R)
• M9: 3,501,039 km (0.088 R)
• M10: 3,924,551 km (0.11 R)
• M11: 4,449,938 km (0.044 R)
• M12: 5,228,745 km (0.041 R)
• M13: 6,353,571 km (0.06 R)
• M14: 6,619,107 km (0.105 R)
• M15: 7,387,592 km (0.117 R)
• M16: 7,806,017 km (0.116 R)
• M17: 8,214,269 km (0.099 R)
• M18: 8,907,955 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 12.7

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.22 AU - 3.46 AU

Year: 3304 Days

Day: 7.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,643,943 km

• M1: 157,975 km (0.108 R)
• M2: 567,874 km (0.062 R)
• M3: 1,210,097 km (0.072 R)
• M4: 1,672,953 km (0.105 R)
• M5: 3,571,051 km (0.104 R)
• M6: 4,101,525 km (0.06 R)
• M7: 5,194,936 km (0.112 R)
• M8: 6,621,351 km (0.114 R)
• M9: 8,364,017 km (0.104 R)
• M10: 8,898,231 km (0.116 R)
• M11: 10,970,760 km (0.109 R)
• M12: 11,655,320 km (0.096 R)
• M13: 14,327,886 km (0.102 R)
• M14: 18,494,785 km (0.1 R)
• M15: 20,918,719 km (0.077 R)
• M16: 21,771,726 km (0.06 R)
• M17: 22,308,184 km (0.118 R)
• M18: 22,991,098 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 13.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.52 AU - 3.64 AU

Year: 3731 Days

Day: 11.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,643,943 km

• M1: 169,195 km (0.075 R)
• M2: 713,133 km (0.112 R)
• M3: 1,190,949 km (0.088 R)
• M4: 1,979,030 km (0.093 R)
• M5: 2,415,557 km (0.11 R)
• M6: 4,290,916 km (0.064 R)
• M7: 5,186,857 km (0.056 R)
• M8: 6,145,929 km (0.118 R)
• M9: 8,379,725 km (0.079 R)
• M10: 10,019,916 km (0.111 R)
• M11: 11,197,401 km (0.072 R)
• M12: 14,131,015 km (0.089 R)
• M13: 14,648,025 km (0.085 R)
• M14: 15,339,018 km (0.044 R)
• M15: 16,614,938 km (0.116 R)
• M16: 17,721,214 km (0.063 R)
• M17: 21,403,267 km (0.112 R)
• M18: 23,066,196 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.7

Radius: 4.8

Gravity: 32.37 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.75 AU - 9.35 AU

Year: 14320 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,643,943 km

• M1: 59,839 km (0.118 R)
• M2: 213,626 km (0.118 R)
• M3: 681,717 km (0.069 R)
• M4: 946,655 km (0.101 R)
• M5: 2,034,531 km (0.112 R)
• M6: 2,497,836 km (0.056 R)
• M7: 2,674,511 km (0.116 R)
• M8: 3,102,959 km (0.101 R)
• M9: 3,800,833 km (0.079 R)
• M10: 4,696,476 km (0.055 R)
• M11: 6,682,537 km (0.045 R)
• M12: 7,243,828 km (0.118 R)
• M13: 7,467,776 km (0.038 R)
• M14: 7,835,936 km (0.108 R)
• M15: 8,361,623 km (0.046 R)
• M16: 8,859,485 km (0.116 R)
• M17: 9,271,926 km (0.117 R)
• M18: 10,358,905 km (0.08 R)
• M19: 11,710,970 km (0.109 R)
• M20: 13,242,703 km (0.032 R)
• M21: 16,620,024 km (0.061 R)
• M22: 20,087,553 km (0.115 R)
• M23: 20,978,857 km (0.083 R)
• M24: 28,631,536 km (0.076 R)
• M25: 32,343,808 km (0.088 R)
• M26: 32,707,330 km (0.108 R)
• M27: 33,939,269 km (0.104 R)
• M28: 35,844,547 km (0.119 R)
• M29: 36,103,801 km (0.103 R)
• M30: 42,854,704 km (0.107 R)
• M31: 44,328,542 km (0.106 R)
• M32: 49,914,227 km (0.116 R)
• M33: 50,075,643 km (0.113 R)
• M34: 51,380,436 km (0.104 R)
• M35: 54,569,563 km (0.042 R)
• M36: 56,299,962 km (0.115 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: 238 - 18,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit