🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.6

Radius: 12.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.59 AU - 0.81 AU

Year: 378 Days

Day: 11.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 81,453,032 km

• M1: 160,519 km (0.105 R)
• M2: 1,034,320 km (0.077 R)
• M3: 1,602,941 km (0.068 R)
• M4: 2,165,579 km (0.106 R)
• M5: 2,569,493 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 10

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.56 AU - 0.88 AU

Year: 394 Days

Day: 12.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,453,032 km

• M1: 124,316 km (0.048 R)
• M2: 659,128 km (0.118 R)
• M3: 1,016,966 km (0.042 R)
• M4: 1,869,375 km (0.106 R)
• M5: 2,325,050 km (0.113 R)
• M6: 3,026,515 km (0.08 R)
• M7: 3,370,889 km (0.027 R)
• M8: 3,705,689 km (0.1 R)
• M9: 4,178,269 km (0.097 R)
• M10: 4,551,814 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413

Radius: 11.3

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.19 AU - 1.43 AU

Year: 968 Days

Day: 5.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,453,032 km

• M1: 140,622 km (0.075 R)
• M2: 590,463 km (0.075 R)
• M3: 1,051,823 km (0.1 R)
• M4: 1,687,464 km (0.046 R)
• M5: 2,240,228 km (0.118 R)
• M6: 3,120,612 km (0.08 R)
• M7: 3,711,523 km (0.116 R)
• M8: 5,117,444 km (0.118 R)
• M9: 6,343,997 km (0.11 R)
• M10: 6,764,816 km (0.091 R)
• M11: 7,340,020 km (0.076 R)
• M12: 7,971,472 km (0.116 R)
• M13: 8,487,286 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.4

Radius: 10.9

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.53 AU - 1.69 AU

Year: 1319 Days

Day: 7.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,453,032 km

• M1: 135,685 km (0.118 R)
• M2: 626,217 km (0.079 R)
• M3: 1,202,318 km (0.091 R)
• M4: 1,624,184 km (0.097 R)
• M5: 1,970,354 km (0.026 R)
• M6: 3,039,530 km (0.093 R)
• M7: 3,383,006 km (0.104 R)
• M8: 4,348,212 km (0.093 R)
• M9: 5,359,344 km (0.085 R)
• M10: 5,977,632 km (0.099 R)
• M11: 6,593,825 km (0.116 R)
• M12: 7,462,839 km (0.109 R)
• M13: 7,842,220 km (0.111 R)
• M14: 8,698,817 km (0.078 R)
• M15: 10,296,821 km (0.097 R)
• M16: 11,572,742 km (0.086 R)
• M17: 12,119,073 km (0.102 R)
• M18: 12,568,316 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.9

Radius: 11

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.05 AU - 2.15 AU

Year: 1965 Days

Day: 13 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,453,032 km

• M1: 136,732 km (0.103 R)
• M2: 762,650 km (0.119 R)
• M3: 1,205,609 km (0.08 R)
• M4: 1,656,198 km (0.089 R)
• M5: 2,063,703 km (0.042 R)
• M6: 2,831,140 km (0.117 R)
• M7: 3,289,508 km (0.068 R)
• M8: 3,656,770 km (0.087 R)
• M9: 5,056,109 km (0.057 R)
• M10: 6,890,777 km (0.089 R)
• M11: 7,753,807 km (0.053 R)
• M12: 8,106,709 km (0.065 R)
• M13: 9,036,160 km (0.102 R)
• M14: 9,761,859 km (0.11 R)
• M15: 11,069,494 km (0.114 R)
• M16: 12,331,203 km (0.09 R)
• M17: 14,822,456 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.3

Radius: 14.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.89 AU - 2.93 AU

Year: 2416 Days

Day: 13.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,453,032 km

• M1: 180,415 km (0.049 R)
• M2: 796,609 km (0.06 R)
• M3: 1,250,189 km (0.103 R)
• M4: 1,720,824 km (0.092 R)
• M5: 2,557,675 km (0.116 R)
• M6: 3,707,933 km (0.12 R)
• M7: 5,463,314 km (0.068 R)
• M8: 6,087,586 km (0.095 R)
• M9: 6,787,255 km (0.089 R)
• M10: 7,660,608 km (0.114 R)
• M11: 8,706,596 km (0.071 R)
• M12: 9,774,126 km (0.12 R)
• M13: 10,735,293 km (0.07 R)
• M14: 11,317,977 km (0.084 R)
• M15: 12,889,053 km (0.116 R)
• M16: 14,837,566 km (0.087 R)
• M17: 15,366,244 km (0.112 R)
• M18: 15,857,673 km (0.111 R)
• M19: 17,607,520 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.1

Radius: 3.8

Gravity: 42.53 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 9.45 AU - 12.45 AU

Year: 23396 Days

Day: 21.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,453,032 km

• M1: 58,642 km (0.095 R)
• M2: 447,148 km (0.11 R)
• M3: 605,572 km (0.078 R)
• M4: 1,024,895 km (0.062 R)
• M5: 1,304,045 km (0.112 R)
• M6: 1,649,616 km (0.097 R)
• M7: 3,567,460 km (0.119 R)
• M8: 4,305,876 km (0.114 R)
• M9: 4,839,042 km (0.091 R)
• M10: 5,375,351 km (0.093 R)
• M11: 6,035,526 km (0.044 R)
• M12: 6,165,078 km (0.118 R)
• M13: 6,340,706 km (0.072 R)
• M14: 6,519,625 km (0.108 R)
• M15: 8,074,844 km (0.115 R)
• M16: 10,593,773 km (0.118 R)
• M17: 10,719,286 km (0.114 R)
• M18: 11,759,739 km (0.065 R)
• M19: 13,963,914 km (0.113 R)
• M20: 15,848,548 km (0.066 R)
• M21: 19,168,274 km (0.083 R)
• M22: 24,421,703 km (0.067 R)
• M23: 25,306,574 km (0.099 R)
• M24: 28,089,244 km (0.098 R)
• M25: 30,558,507 km (0.117 R)
• M26: 36,635,471 km (0.104 R)
• M27: 38,234,523 km (0.057 R)
• M28: 46,426,054 km (0.084 R)
• M29: 47,270,234 km (0.051 R)
• M30: 54,582,728 km (0.108 R)
• M31: 64,059,155 km (0.099 R)
• M32: 64,894,958 km (0.112 R)
• M33: 75,731,379 km (0.107 R)
• M34: 76,197,526 km (0.098 R)
• M35: 81,453,049 km (0.09 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: 296 - 12,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit