🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951

Radius: 11.1

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.46 AU - 0.56 AU

Year: 251 Days

Day: 6.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,392,686 km

• M1: 138,079 km (0.077 R)
• M2: 554,559 km (0.094 R)
• M3: 962,363 km (0.082 R)
• M4: 1,360,293 km (0.084 R)
• M5: 1,710,951 km (0.108 R)
• M6: 2,382,795 km (0.116 R)
• M7: 2,766,663 km (0.05 R)
• M8: 3,503,133 km (0.067 R)
• M9: 4,276,106 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.7

Radius: 13.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.63 AU - 0.65 AU

Year: 353 Days

Day: 14.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,392,686 km

• M1: 167,998 km (0.112 R)
• M2: 644,318 km (0.113 R)
• M3: 1,206,507 km (0.071 R)
• M4: 1,782,459 km (0.091 R)
• M5: 2,362,599 km (0.118 R)
• M6: 2,873,925 km (0.106 R)
• M7: 3,300,428 km (0.079 R)
• M8: 4,172,135 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.9

Radius: 11.1

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.96 AU - 0.98 AU

Year: 659 Days

Day: 8.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,392,686 km

• M1: 138,079 km (0.111 R)
• M2: 553,213 km (0.092 R)
• M3: 971,788 km (0.099 R)
• M4: 1,448,706 km (0.061 R)
• M5: 1,843,195 km (0.111 R)
• M6: 2,319,066 km (0.107 R)
• M7: 3,051,049 km (0.091 R)
• M8: 3,557,737 km (0.106 R)
• M9: 3,917,370 km (0.079 R)
• M10: 4,605,969 km (0.116 R)
• M11: 4,987,443 km (0.068 R)
• M12: 5,710,450 km (0.114 R)
• M13: 6,097,460 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540

Radius: 11.3

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.76 AU - 1.18 AU

Year: 659 Days

Day: 14.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,392,686 km

• M1: 140,472 km (0.045 R)
• M2: 680,670 km (0.079 R)
• M3: 1,244,056 km (0.12 R)
• M4: 1,829,582 km (0.105 R)
• M5: 2,378,756 km (0.061 R)
• M6: 2,785,662 km (0.095 R)
• M7: 3,154,271 km (0.116 R)
• M8: 3,594,986 km (0.101 R)
• M9: 4,134,436 km (0.118 R)
• M10: 4,839,491 km (0.095 R)
• M11: 5,272,427 km (0.073 R)
• M12: 5,989,300 km (0.059 R)
• M13: 6,509,003 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.8

Radius: 9

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.15 AU - 1.59 AU

Year: 1107 Days

Day: 7.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,392,686 km

• M1: 115,789 km (0.102 R)
• M2: 404,961 km (0.086 R)
• M3: 734,526 km (0.099 R)
• M4: 1,746,256 km (0.092 R)
• M5: 2,938,850 km (0.053 R)
• M6: 3,594,538 km (0.093 R)
• M7: 5,530,783 km (0.094 R)
• M8: 6,673,711 km (0.064 R)
• M9: 7,301,124 km (0.12 R)
• M10: 9,116,494 km (0.1 R)
• M11: 10,016,176 km (0.12 R)
• M12: 11,528,012 km (0.119 R)
• M13: 12,100,523 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.4

Radius: 11.4

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.79 AU - 1.89 AU

Year: 1723 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,392,686 km

• M1: 142,716 km (0.114 R)
• M2: 642,074 km (0.101 R)
• M3: 1,041,500 km (0.111 R)
• M4: 1,778,719 km (0.034 R)
• M5: 2,246,062 km (0.085 R)
• M6: 2,656,409 km (0.034 R)
• M7: 3,580,027 km (0.093 R)
• M8: 3,979,603 km (0.094 R)
• M9: 4,665,509 km (0.066 R)
• M10: 5,540,956 km (0.087 R)
• M11: 6,856,968 km (0.118 R)
• M12: 7,560,527 km (0.063 R)
• M13: 10,165,624 km (0.113 R)
• M14: 11,595,630 km (0.115 R)
• M15: 12,165,000 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.2

Radius: 11.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.02 AU - 2.9 AU

Year: 2663 Days

Day: 8.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,392,686 km

• M1: 143,913 km (0.112 R)
• M2: 737,069 km (0.109 R)
• M3: 1,172,698 km (0.115 R)
• M4: 2,255,337 km (0.03 R)
• M5: 5,445,063 km (0.086 R)
• M6: 6,722,779 km (0.116 R)
• M7: 7,344,657 km (0.087 R)
• M8: 10,854,971 km (0.094 R)
• M9: 11,791,603 km (0.072 R)
• M10: 12,238,452 km (0.05 R)
• M11: 14,645,332 km (0.095 R)
• M12: 15,019,925 km (0.047 R)
• M13: 16,532,509 km (0.04 R)
• M14: 17,196,275 km (0.111 R)
• M15: 17,718,821 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.8

Radius: 6.6

Gravity: 18.13 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.83 AU - 6.85 AU

Year: 9742 Days

Day: 24.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,392,686 km

• M1: 82,129 km (0.094 R)
• M2: 311,762 km (0.091 R)
• M3: 643,720 km (0.062 R)
• M4: 1,743,713 km (0.088 R)
• M5: 2,124,589 km (0.092 R)
• M6: 2,896,065 km (0.057 R)
• M7: 3,121,060 km (0.034 R)
• M8: 3,975,264 km (0.118 R)
• M9: 4,605,520 km (0.041 R)
• M10: 5,918,989 km (0.095 R)
• M11: 6,896,163 km (0.117 R)
• M12: 10,786,455 km (0.066 R)
• M13: 12,947,995 km (0.067 R)
• M14: 13,938,931 km (0.118 R)
• M15: 17,287,231 km (0.062 R)
• M16: 18,951,208 km (0.119 R)
• M17: 23,662,942 km (0.079 R)
• M18: 27,569,840 km (0.054 R)
• M19: 28,277,289 km (0.119 R)
• M20: 29,413,185 km (0.07 R)
• M21: 29,728,238 km (0.057 R)
• M22: 33,116,331 km (0.064 R)
• M23: 33,685,850 km (0.1 R)
• M24: 39,109,072 km (0.099 R)
• M25: 43,165,867 km (0.118 R)
• M26: 44,532,145 km (0.104 R)
• M27: 44,947,428 km (0.093 R)
• M28: 49,097,423 km (0.051 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 13,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit