🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455

Radius: 13.8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.64 AU - 0.74 AU

Year: 389 Days

Day: 11.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,070,080 km

• M1: 172,486 km (0.052 R)
• M2: 642,972 km (0.063 R)
• M3: 1,232,387 km (0.112 R)
• M4: 1,827,936 km (0.078 R)
• M5: 2,523,267 km (0.119 R)
• M6: 3,647,495 km (0.099 R)
• M7: 4,553,909 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.8

Radius: 11.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.81 AU - 0.81 AU

Year: 494 Days

Day: 8.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,070,080 km

• M1: 146,756 km (0.111 R)
• M2: 523,892 km (0.114 R)
• M3: 965,205 km (0.078 R)
• M4: 1,639,593 km (0.037 R)
• M5: 2,025,256 km (0.1 R)
• M6: 2,866,445 km (0.111 R)
• M7: 3,255,998 km (0.082 R)
• M8: 4,733,875 km (0.054 R)
• M9: 5,265,695 km (0.058 R)
• M10: 5,767,746 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.9

Radius: 11.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.12 AU - 1.8 AU

Year: 1197 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,070,080 km

• M1: 143,614 km (0.12 R)
• M2: 607,218 km (0.066 R)
• M3: 1,422,077 km (0.077 R)
• M4: 1,939,985 km (0.075 R)
• M5: 2,437,099 km (0.101 R)
• M6: 2,899,356 km (0.068 R)
• M7: 5,631,313 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.6

Radius: 11

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.34 AU - 4.72 AU

Year: 6539 Days

Day: 6.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,070,080 km

• M1: 137,480 km (0.11 R)
• M2: 672,592 km (0.085 R)
• M3: 1,296,266 km (0.063 R)
• M4: 1,683,574 km (0.108 R)
• M5: 2,106,936 km (0.107 R)
• M6: 4,446,348 km (0.106 R)
• M7: 6,943,136 km (0.09 R)
• M8: 8,079,033 km (0.059 R)
• M9: 10,090,975 km (0.119 R)
• M10: 14,498,128 km (0.089 R)
• M11: 15,133,171 km (0.07 R)
• M12: 17,860,639 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.2

Radius: 6.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.67 AU - 6.63 AU

Year: 9109 Days

Day: 23 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,070,080 km

• M1: 83,326 km (0.086 R)
• M2: 315,801 km (0.099 R)
• M3: 606,171 km (0.101 R)
• M4: 879,336 km (0.102 R)
• M5: 1,099,993 km (0.047 R)
• M6: 1,401,283 km (0.065 R)
• M7: 1,718,730 km (0.056 R)
• M8: 2,683,038 km (0.057 R)
• M9: 3,233,259 km (0.091 R)
• M10: 3,746,978 km (0.105 R)
• M11: 4,080,581 km (0.027 R)
• M12: 4,433,782 km (0.103 R)
• M13: 5,531,980 km (0.118 R)
• M14: 6,144,433 km (0.097 R)
• M15: 6,482,824 km (0.093 R)
• M16: 7,538,237 km (0.101 R)
• M17: 10,409,768 km (0.06 R)
• M18: 10,758,331 km (0.081 R)
• M19: 11,159,702 km (0.038 R)
• M20: 15,345,450 km (0.106 R)
• M21: 17,024,686 km (0.106 R)
• M22: 17,326,126 km (0.109 R)
• M23: 19,405,836 km (0.118 R)
• M24: 23,158,498 km (0.085 R)
• M25: 23,752,701 km (0.039 R)
• M26: 24,971,475 km (0.116 R)
• M27: 26,714,589 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.3

Radius: 4.2

Gravity: 14.42 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.75 AU - 10.03 AU

Year: 16483 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,070,080 km

• M1: 68,067 km (0.038 R)
• M2: 224,247 km (0.087 R)
• M3: 465,848 km (0.068 R)
• M4: 599,139 km (0.116 R)
• M5: 1,235,529 km (0.111 R)
• M6: 1,401,283 km (0.037 R)
• M7: 1,685,370 km (0.049 R)
• M8: 2,687,077 km (0.047 R)
• M9: 2,878,712 km (0.066 R)
• M10: 3,534,100 km (0.117 R)
• M11: 4,283,585 km (0.076 R)
• M12: 7,364,105 km (0.074 R)
• M13: 7,782,530 km (0.029 R)
• M14: 8,305,524 km (0.078 R)
• M15: 9,133,399 km (0.084 R)
• M16: 11,385,894 km (0.08 R)
• M17: 13,669,805 km (0.072 R)
• M18: 13,920,082 km (0.089 R)
• M19: 22,664,377 km (0.075 R)
• M20: 33,110,796 km (0.093 R)
• M21: 34,017,509 km (0.087 R)
• M22: 36,237,092 km (0.089 R)
• M23: 42,668,305 km (0.095 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 19,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit