🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.9

Radius: 14.4

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.58 AU - 0.6 AU

Year: 307 Days

Day: 14.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,175,262 km

• M1: 179,368 km (0.056 R)
• M2: 658,530 km (0.09 R)
• M3: 1,170,603 km (0.113 R)
• M4: 1,639,593 km (0.097 R)
• M5: 2,109,779 km (0.029 R)
• M6: 2,579,965 km (0.099 R)
• M7: 3,069,748 km (0.082 R)
• M8: 3,844,216 km (0.11 R)
• M9: 4,317,395 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.3

Radius: 9.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.54 AU - 0.84 AU

Year: 389 Days

Day: 13.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,175,262 km

• M1: 119,379 km (0.102 R)
• M2: 575,054 km (0.071 R)
• M3: 1,055,712 km (0.057 R)
• M4: 1,405,771 km (0.058 R)
• M5: 1,939,237 km (0.098 R)
• M6: 2,257,881 km (0.087 R)
• M7: 2,802,417 km (0.059 R)
• M8: 3,379,117 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.2

Radius: 13

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.53 AU - 0.87 AU

Year: 397 Days

Day: 13.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,175,262 km

• M1: 161,715 km (0.082 R)
• M2: 598,391 km (0.108 R)
• M3: 1,102,536 km (0.078 R)
• M4: 2,054,278 km (0.086 R)
• M5: 2,497,686 km (0.12 R)
• M6: 3,059,875 km (0.119 R)
• M7: 3,832,548 km (0.053 R)
• M8: 4,384,265 km (0.119 R)
• M9: 4,973,381 km (0.077 R)
• M10: 5,416,789 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.3

Radius: 10.3

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.73 AU - 1.17 AU

Year: 628 Days

Day: 6.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,175,262 km

• M1: 128,056 km (0.078 R)
• M2: 494,122 km (0.061 R)
• M3: 892,202 km (0.107 R)
• M4: 1,266,944 km (0.07 R)
• M5: 1,594,414 km (0.086 R)
• M6: 1,979,479 km (0.059 R)
• M7: 2,951,716 km (0.037 R)
• M8: 3,499,543 km (0.044 R)
• M9: 4,099,730 km (0.117 R)
• M10: 4,895,890 km (0.066 R)
• M11: 5,245,500 km (0.1 R)
• M12: 5,737,527 km (0.109 R)
• M13: 6,107,782 km (0.086 R)
• M14: 6,632,721 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.6

Radius: 10.6

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.24 AU - 1.32 AU

Year: 982 Days

Day: 13.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,175,262 km

• M1: 133,441 km (0.064 R)
• M2: 499,806 km (0.088 R)
• M3: 988,094 km (0.111 R)
• M4: 1,332,468 km (0.105 R)
• M5: 1,850,825 km (0.073 R)
• M6: 2,374,717 km (0.11 R)
• M7: 2,777,284 km (0.071 R)
• M8: 4,004,137 km (0.086 R)
• M9: 4,595,946 km (0.115 R)
• M10: 5,342,738 km (0.061 R)
• M11: 6,125,135 km (0.068 R)
• M12: 8,150,840 km (0.069 R)
• M13: 8,576,895 km (0.085 R)
• M14: 8,934,134 km (0.066 R)
• M15: 9,796,566 km (0.104 R)
• M16: 10,248,053 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.2

Radius: 14.7

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.18 AU - 3.08 AU

Year: 2893 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,175,262 km

• M1: 259,253 km (0.08 R)
• M2: 854,503 km (0.069 R)
• M3: 1,898,547 km (0.108 R)
• M4: 2,845,651 km (0.062 R)
• M5: 3,419,957 km (0.043 R)
• M6: 4,089,557 km (0.117 R)
• M7: 4,603,426 km (0.116 R)
• M8: 5,378,193 km (0.118 R)
• M9: 6,069,186 km (0.12 R)
• M10: 7,489,767 km (0.108 R)
• M11: 8,087,410 km (0.072 R)
• M12: 9,705,311 km (0.1 R)
• M13: 10,661,391 km (0.113 R)
• M14: 12,524,184 km (0.098 R)
• M15: 13,741,163 km (0.106 R)
• M16: 14,249,646 km (0.101 R)
• M17: 14,946,922 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.9

Radius: 3.5

Gravity: 58.2 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.65 AU - 7.99 AU

Year: 14832 Days

Day: 20.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,175,262 km

• M1: 43,683 km (0.119 R)
• M2: 228,137 km (0.111 R)
• M3: 387,758 km (0.062 R)
• M4: 645,066 km (0.034 R)
• M5: 971,937 km (0.114 R)
• M6: 1,504,955 km (0.075 R)
• M7: 2,230,803 km (0.082 R)
• M8: 3,674,423 km (0.097 R)
• M9: 4,490,778 km (0.063 R)
• M10: 5,240,114 km (0.084 R)
• M11: 7,425,590 km (0.107 R)
• M12: 8,971,684 km (0.104 R)
• M13: 12,489,178 km (0.089 R)
• M14: 17,461,213 km (0.1 R)
• M15: 18,693,152 km (0.107 R)
• M16: 19,719,543 km (0.104 R)
• M17: 20,513,458 km (0.11 R)
• M18: 22,259,266 km (0.114 R)
• M19: 23,705,578 km (0.09 R)
• M20: 41,903,261 km (0.086 R)
• M21: 55,030,325 km (0.049 R)
• M22: 57,484,179 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 15,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit