🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.5

Radius: 9.5

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.97 AU - 0.99 AU

Year: 626 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,135,302 km

• M1: 118,182 km (0.109 R)
• M2: 639,232 km (0.045 R)
• M3: 948,451 km (0.114 R)
• M4: 1,280,558 km (0.111 R)
• M5: 2,046,948 km (0.095 R)
• M6: 2,791,047 km (0.089 R)
• M7: 3,210,969 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.7

Radius: 8.5

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.18 AU - 3.56 AU

Year: 3139 Days

Day: 9.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,135,302 km

• M1: 108,159 km (0.108 R)
• M2: 470,784 km (0.086 R)
• M3: 929,601 km (0.055 R)
• M4: 1,383,032 km (0.081 R)
• M5: 1,655,899 km (0.106 R)
• M6: 1,952,103 km (0.059 R)
• M7: 2,372,323 km (0.037 R)
• M8: 3,079,323 km (0.103 R)
• M9: 3,711,822 km (0.098 R)
• M10: 4,026,726 km (0.083 R)
• M11: 9,108,865 km (0.118 R)
• M12: 12,741,400 km (0.11 R)
• M13: 13,121,828 km (0.082 R)
• M14: 14,207,310 km (0.059 R)
• M15: 14,981,030 km (0.113 R)
• M16: 16,166,294 km (0.116 R)
• M17: 17,181,465 km (0.085 R)
• M18: 18,967,065 km (0.08 R)
• M19: 19,526,112 km (0.055 R)
• M20: 24,038,283 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.2

Radius: 14.6

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.69 AU - 3.05 AU

Year: 3139 Days

Day: 7.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,135,302 km

• M1: 181,612 km (0.095 R)
• M2: 643,271 km (0.032 R)
• M3: 1,285,046 km (0.077 R)
• M4: 1,855,612 km (0.057 R)
• M5: 2,535,235 km (0.09 R)
• M6: 3,251,659 km (0.117 R)
• M7: 3,976,611 km (0.109 R)
• M8: 5,390,310 km (0.097 R)
• M9: 6,698,394 km (0.101 R)
• M10: 8,141,864 km (0.046 R)
• M11: 10,523,462 km (0.085 R)
• M12: 14,296,919 km (0.062 R)
• M13: 14,793,285 km (0.119 R)
• M14: 15,455,854 km (0.097 R)
• M15: 17,338,393 km (0.056 R)
• M16: 21,815,109 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.8

Radius: 13.3

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.18 AU - 4.56 AU

Year: 4916 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,135,302 km

• M1: 165,455 km (0.102 R)
• M2: 591,211 km (0.045 R)
• M3: 1,200,673 km (0.116 R)
• M4: 1,670,709 km (0.104 R)
• M5: 2,172,011 km (0.093 R)
• M6: 2,630,978 km (0.064 R)
• M7: 3,115,376 km (0.09 R)
• M8: 3,593,341 km (0.066 R)
• M9: 4,568,719 km (0.073 R)
• M10: 5,105,177 km (0.111 R)
• M11: 5,653,603 km (0.088 R)
• M12: 6,733,550 km (0.115 R)
• M13: 7,908,940 km (0.073 R)
• M14: 9,427,059 km (0.114 R)
• M15: 11,037,032 km (0.081 R)
• M16: 13,245,395 km (0.092 R)
• M17: 13,676,686 km (0.103 R)
• M18: 15,975,108 km (0.109 R)
• M19: 16,837,240 km (0.095 R)
• M20: 22,144,075 km (0.097 R)
• M21: 22,675,746 km (0.097 R)
• M22: 23,215,944 km (0.118 R)
• M23: 23,685,831 km (0.041 R)
• M24: 25,463,353 km (0.087 R)
• M25: 25,963,159 km (0.115 R)
• M26: 28,471,916 km (0.058 R)
• M27: 32,289,055 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 12.8

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.02 AU - 5.1 AU

Year: 6287 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,135,302 km

• M1: 171,290 km (0.114 R)
• M2: 591,660 km (0.089 R)
• M3: 1,335,759 km (0.066 R)
• M4: 3,220,393 km (0.078 R)
• M5: 3,619,221 km (0.101 R)
• M6: 5,339,447 km (0.06 R)
• M7: 5,757,872 km (0.09 R)
• M8: 6,258,427 km (0.066 R)
• M9: 8,939,670 km (0.105 R)
• M10: 10,192,253 km (0.081 R)
• M11: 12,845,371 km (0.115 R)
• M12: 14,437,990 km (0.063 R)
• M13: 15,033,539 km (0.097 R)
• M14: 17,950,249 km (0.09 R)
• M15: 27,673,512 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.5

Radius: 4.4

Gravity: 34.17 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.34 AU - 9.58 AU

Year: 18787 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,135,302 km

• M1: 54,902 km (0.111 R)
• M2: 244,144 km (0.076 R)
• M3: 1,637,049 km (0.097 R)
• M4: 2,438,894 km (0.089 R)
• M5: 3,795,298 km (0.091 R)
• M6: 5,785,698 km (0.117 R)
• M7: 6,492,548 km (0.078 R)
• M8: 7,208,972 km (0.039 R)
• M9: 8,380,174 km (0.069 R)
• M10: 9,337,749 km (0.083 R)
• M11: 12,510,870 km (0.06 R)
• M12: 13,686,560 km (0.106 R)
• M13: 15,469,018 km (0.077 R)
• M14: 16,739,553 km (0.072 R)
• M15: 18,510,792 km (0.091 R)
• M16: 20,217,554 km (0.115 R)
• M17: 23,733,852 km (0.069 R)
• M18: 27,409,621 km (0.086 R)
• M19: 28,326,357 km (0.109 R)
• M20: 28,675,369 km (0.065 R)
• M21: 29,500,999 km (0.117 R)
• M22: 39,363,089 km (0.097 R)
• M23: 41,868,255 km (0.076 R)
• M24: 42,018,751 km (0.105 R)
• M25: 42,777,212 km (0.083 R)
• M26: 45,742,242 km (0.066 R)
• M27: 46,383,418 km (0.108 R)
• M28: 46,544,685 km (0.03 R)
• M29: 52,426,574 km (0.104 R)
• M30: 52,952,560 km (0.047 R)
• M31: 57,474,006 km (0.057 R)
• M32: 64,226,405 km (0.1 R)
• M33: 65,030,194 km (0.071 R)
• M34: 65,232,152 km (0.062 R)
• M35: 67,275,210 km (0.059 R)
• M36: 70,419,158 km (0.114 R)
• M37: 70,845,662 km (0.057 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 19,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit