🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.3

Radius: 12.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.64 AU - 0.72 AU

Year: 368 Days

Day: 6.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,336,887 km

• M1: 159,172 km (0.085 R)
• M2: 593,455 km (0.106 R)
• M3: 1,243,757 km (0.109 R)
• M4: 1,793,529 km (0.049 R)
• M5: 2,344,348 km (0.102 R)
• M6: 3,115,376 km (0.076 R)
• M7: 4,109,603 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.6

Radius: 13.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.81 AU - 0.85 AU

Year: 496 Days

Day: 11.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,336,887 km

• M1: 169,195 km (0.086 R)
• M2: 665,262 km (0.108 R)
• M3: 1,208,152 km (0.059 R)
• M4: 2,072,379 km (0.09 R)
• M5: 2,581,012 km (0.054 R)
• M6: 3,228,172 km (0.12 R)
• M7: 3,742,939 km (0.08 R)
• M8: 4,477,464 km (0.031 R)
• M9: 5,014,221 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.4

Radius: 15

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.78 AU - 0.9 AU

Year: 505 Days

Day: 11.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,336,887 km

• M1: 186,549 km (0.105 R)
• M2: 726,896 km (0.07 R)
• M3: 1,206,357 km (0.112 R)
• M4: 1,776,774 km (0.109 R)
• M5: 2,274,037 km (0.076 R)
• M6: 2,973,856 km (0.101 R)
• M7: 3,920,362 km (0.089 R)
• M8: 4,435,726 km (0.043 R)
• M9: 4,996,569 km (0.057 R)
• M10: 6,007,402 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 13.6

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.25 AU - 2.57 AU

Year: 2454 Days

Day: 8.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,336,887 km

• M1: 171,140 km (0.074 R)
• M2: 728,392 km (0.085 R)
• M3: 1,263,653 km (0.106 R)
• M4: 1,730,249 km (0.115 R)
• M5: 2,483,025 km (0.067 R)
• M6: 3,043,569 km (0.106 R)
• M7: 3,518,841 km (0.059 R)
• M8: 4,023,435 km (0.094 R)
• M9: 4,894,693 km (0.118 R)
• M10: 5,551,577 km (0.071 R)
• M11: 6,048,541 km (0.097 R)
• M12: 6,718,740 km (0.035 R)
• M13: 8,612,948 km (0.067 R)
• M14: 9,535,967 km (0.101 R)
• M15: 10,059,709 km (0.089 R)
• M16: 11,662,800 km (0.055 R)
• M17: 13,018,007 km (0.037 R)
• M18: 13,710,346 km (0.092 R)
• M19: 15,831,793 km (0.066 R)
• M20: 17,657,934 km (0.049 R)
• M21: 18,970,506 km (0.107 R)
• M22: 19,561,118 km (0.103 R)
• M23: 20,593,194 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.4

Radius: 9.3

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.61 AU - 3.83 AU

Year: 3790 Days

Day: 10.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,336,887 km

• M1: 116,088 km (0.043 R)
• M2: 446,849 km (0.092 R)
• M3: 828,623 km (0.076 R)
• M4: 1,210,247 km (0.108 R)
• M5: 1,524,701 km (0.113 R)
• M6: 1,868,627 km (0.064 R)
• M7: 2,178,145 km (0.118 R)
• M8: 3,435,964 km (0.091 R)
• M9: 3,737,104 km (0.096 R)
• M10: 4,055,748 km (0.045 R)
• M11: 4,439,018 km (0.084 R)
• M12: 6,397,254 km (0.104 R)
• M13: 6,792,940 km (0.116 R)
• M14: 7,400,607 km (0.117 R)
• M15: 7,734,659 km (0.114 R)
• M16: 8,219,356 km (0.109 R)
• M17: 12,952,034 km (0.057 R)
• M18: 14,602,697 km (0.094 R)
• M19: 18,867,433 km (0.116 R)
• M20: 20,066,759 km (0.098 R)
• M21: 21,115,440 km (0.107 R)
• M22: 21,518,008 km (0.087 R)
• M23: 21,857,296 km (0.093 R)
• M24: 22,407,667 km (0.038 R)
• M25: 23,393,068 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301

Radius: 13

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.33 AU - 3.37 AU

Year: 4022 Days

Day: 13.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,336,887 km

• M1: 161,715 km (0.103 R)
• M2: 915,389 km (0.083 R)
• M3: 1,393,953 km (0.034 R)
• M4: 1,932,505 km (0.075 R)
• M5: 2,436,501 km (0.11 R)
• M6: 4,084,471 km (0.057 R)
• M7: 4,787,730 km (0.078 R)
• M8: 5,300,402 km (0.12 R)
• M9: 6,603,549 km (0.078 R)
• M10: 7,791,955 km (0.087 R)
• M11: 8,470,531 km (0.058 R)
• M12: 10,057,764 km (0.117 R)
• M13: 10,706,271 km (0.089 R)
• M14: 11,220,738 km (0.084 R)
• M15: 11,918,612 km (0.058 R)
• M16: 12,342,572 km (0.039 R)
• M17: 13,675,041 km (0.085 R)
• M18: 14,093,017 km (0.114 R)
• M19: 15,598,271 km (0.057 R)
• M20: 16,782,637 km (0.117 R)
• M21: 17,423,814 km (0.12 R)
• M22: 18,528,893 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.9

Radius: 7.3

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.06 AU - 10.12 AU

Year: 19482 Days

Day: 19.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,336,887 km

• M1: 90,956 km (0.11 R)
• M2: 392,395 km (0.119 R)
• M3: 659,727 km (0.112 R)
• M4: 1,307,485 km (0.066 R)
• M5: 2,019,870 km (0.05 R)
• M6: 2,874,523 km (0.062 R)
• M7: 4,152,837 km (0.047 R)
• M8: 5,377,146 km (0.063 R)
• M9: 6,072,327 km (0.064 R)
• M10: 6,541,167 km (0.111 R)
• M11: 6,825,702 km (0.059 R)
• M12: 9,615,104 km (0.112 R)
• M13: 10,804,407 km (0.104 R)
• M14: 11,434,364 km (0.066 R)
• M15: 11,848,002 km (0.062 R)
• M16: 12,830,561 km (0.068 R)
• M17: 14,201,475 km (0.047 R)
• M18: 15,027,256 km (0.104 R)
• M19: 22,269,139 km (0.074 R)
• M20: 22,636,252 km (0.073 R)
• M21: 23,288,349 km (0.072 R)
• M22: 24,338,227 km (0.11 R)
• M23: 27,571,636 km (0.06 R)
• M24: 28,638,119 km (0.05 R)
• M25: 29,510,873 km (0.091 R)
• M26: 32,118,663 km (0.052 R)
• M27: 34,263,747 km (0.116 R)
• M28: 36,502,479 km (0.075 R)
• M29: 41,407,195 km (0.095 R)
• M30: 41,962,502 km (0.087 R)
• M31: 51,693,993 km (0.078 R)
• M32: 52,499,578 km (0.077 R)
• M33: 54,300,886 km (0.103 R)
• M34: 56,652,714 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 11,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit