🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.1

Radius: 13.4

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.67 AU - 0.81 AU

Year: 418 Days

Day: 12.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,376,963 km

• M1: 166,802 km (0.076 R)
• M2: 603,927 km (0.097 R)
• M3: 1,245,253 km (0.071 R)
• M4: 1,895,405 km (0.11 R)
• M5: 3,466,033 km (0.108 R)
• M6: 4,632,448 km (0.064 R)
• M7: 5,557,112 km (0.111 R)
• M8: 6,099,853 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.5

Radius: 8.5

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.81 AU - 1.03 AU

Year: 579 Days

Day: 7.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,376,963 km

• M1: 105,766 km (0.091 R)
• M2: 449,990 km (0.055 R)
• M3: 777,011 km (0.067 R)
• M4: 1,043,595 km (0.059 R)
• M5: 1,609,224 km (0.047 R)
• M6: 1,926,222 km (0.096 R)
• M7: 2,721,933 km (0.085 R)
• M8: 3,381,361 km (0.062 R)
• M9: 3,651,086 km (0.088 R)
• M10: 4,613,449 km (0.038 R)
• M11: 5,549,333 km (0.112 R)
• M12: 5,945,618 km (0.11 R)
• M13: 6,380,948 km (0.104 R)
• M14: 7,249,064 km (0.092 R)
• M15: 7,654,175 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.1

Radius: 9.5

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.92 AU - 1.08 AU

Year: 656 Days

Day: 10.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,376,963 km

• M1: 127,308 km (0.107 R)
• M2: 561,590 km (0.109 R)
• M3: 1,730,249 km (0.12 R)
• M4: 2,538,377 km (0.079 R)
• M5: 3,895,828 km (0.05 R)
• M6: 5,052,369 km (0.107 R)
• M7: 5,468,101 km (0.073 R)
• M8: 5,820,554 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.3

Radius: 9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.88 AU - 1.98 AU

Year: 1759 Days

Day: 5.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,376,963 km

• M1: 111,899 km (0.032 R)
• M2: 398,230 km (0.074 R)
• M3: 718,369 km (0.08 R)
• M4: 1,046,886 km (0.089 R)
• M5: 1,885,382 km (0.047 R)
• M6: 2,539,424 km (0.104 R)
• M7: 3,281,130 km (0.088 R)
• M8: 3,627,599 km (0.072 R)
• M9: 6,400,246 km (0.101 R)
• M10: 7,107,694 km (0.079 R)
• M11: 7,492,609 km (0.105 R)
• M12: 7,815,741 km (0.107 R)
• M13: 8,704,801 km (0.111 R)
• M14: 10,042,804 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.3

Radius: 14.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.46 AU - 3.52 AU

Year: 4277 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,376,963 km

• M1: 180,265 km (0.113 R)
• M2: 662,719 km (0.087 R)
• M3: 1,133,054 km (0.116 R)
• M4: 1,790,088 km (0.104 R)
• M5: 2,383,543 km (0.047 R)
• M6: 4,017,600 km (0.073 R)
• M7: 5,464,960 km (0.098 R)
• M8: 7,974,314 km (0.102 R)
• M9: 9,250,684 km (0.117 R)
• M10: 11,173,764 km (0.075 R)
• M11: 13,351,311 km (0.067 R)
• M12: 15,798,732 km (0.119 R)
• M13: 16,412,233 km (0.082 R)
• M14: 16,868,357 km (0.077 R)
• M15: 18,166,717 km (0.081 R)
• M16: 19,151,968 km (0.11 R)
• M17: 21,095,245 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.3

Radius: 11.7

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.12 AU - 5.62 AU

Year: 8163 Days

Day: 12.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,376,963 km

• M1: 145,559 km (0.108 R)
• M2: 884,423 km (0.067 R)
• M3: 1,299,407 km (0.04 R)
• M4: 2,440,839 km (0.067 R)
• M5: 3,001,831 km (0.049 R)
• M6: 4,087,612 km (0.07 R)
• M7: 5,808,137 km (0.099 R)
• M8: 6,248,404 km (0.101 R)
• M9: 6,643,492 km (0.106 R)
• M10: 7,411,228 km (0.117 R)
• M11: 7,779,388 km (0.059 R)
• M12: 9,165,413 km (0.105 R)
• M13: 9,851,319 km (0.109 R)
• M14: 10,342,449 km (0.031 R)
• M15: 11,666,839 km (0.116 R)
• M16: 12,942,011 km (0.074 R)
• M17: 13,695,685 km (0.087 R)
• M18: 14,478,232 km (0.109 R)
• M19: 15,349,639 km (0.111 R)
• M20: 18,913,958 km (0.071 R)
• M21: 19,743,927 km (0.12 R)
• M22: 21,476,570 km (0.109 R)
• M23: 22,151,705 km (0.11 R)
• M24: 25,076,941 km (0.086 R)
• M25: 29,061,331 km (0.092 R)
• M26: 29,887,411 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354

Radius: 6.6

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.87 AU - 11.43 AU

Year: 19665 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,376,963 km

• M1: 84,523 km (0.095 R)
• M2: 329,115 km (0.106 R)
• M3: 564,433 km (0.077 R)
• M4: 1,282,054 km (0.117 R)
• M5: 1,552,676 km (0.109 R)
• M6: 2,039,318 km (0.085 R)
• M7: 2,410,321 km (0.101 R)
• M8: 3,631,339 km (0.063 R)
• M9: 5,395,397 km (0.102 R)
• M10: 5,724,213 km (0.071 R)
• M11: 6,105,388 km (0.05 R)
• M12: 6,544,009 km (0.075 R)
• M13: 9,788,937 km (0.088 R)
• M14: 11,425,537 km (0.111 R)
• M15: 13,566,881 km (0.097 R)
• M16: 14,591,477 km (0.106 R)
• M17: 17,103,375 km (0.046 R)
• M18: 21,389,952 km (0.119 R)
• M19: 22,775,079 km (0.088 R)
• M20: 28,915,772 km (0.104 R)
• M21: 29,137,626 km (0.052 R)
• M22: 32,125,245 km (0.052 R)
• M23: 32,842,567 km (0.11 R)
• M24: 33,815,701 km (0.115 R)
• M25: 37,504,186 km (0.091 R)
• M26: 44,625,793 km (0.057 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 13,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit