🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.1

Radius: 10.8

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.45 AU - 0.69 AU

Year: 297 Days

Day: 13.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,611,762 km

• M1: 134,339 km (0.058 R)
• M2: 509,979 km (0.097 R)
• M3: 910,752 km (0.092 R)
• M4: 1,820,008 km (0.102 R)
• M5: 2,404,038 km (0.105 R)
• M6: 2,768,907 km (0.088 R)
• M7: 3,402,304 km (0.112 R)
• M8: 3,771,362 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.8

Radius: 15

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.52 AU - 0.68 AU

Year: 321 Days

Day: 5.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,611,762 km

• M1: 186,549 km (0.118 R)
• M2: 679,922 km (0.053 R)
• M3: 1,167,911 km (0.119 R)
• M4: 1,772,884 km (0.025 R)
• M5: 2,370,229 km (0.118 R)
• M6: 3,208,426 km (0.04 R)
• M7: 3,685,942 km (0.084 R)
• M8: 5,184,165 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.6

Radius: 10.4

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.92 AU - 1.26 AU

Year: 786 Days

Day: 8.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,611,762 km

• M1: 129,402 km (0.087 R)
• M2: 474,824 km (0.111 R)
• M3: 815,159 km (0.114 R)
• M4: 1,209,499 km (0.067 R)
• M5: 1,731,745 km (0.048 R)
• M6: 2,146,281 km (0.106 R)
• M7: 3,098,471 km (0.112 R)
• M8: 3,439,255 km (0.111 R)
• M9: 4,116,335 km (0.097 R)
• M10: 4,529,674 km (0.113 R)
• M11: 5,080,643 km (0.045 R)
• M12: 6,210,107 km (0.115 R)
• M13: 7,214,208 km (0.074 R)
• M14: 8,042,082 km (0.117 R)
• M15: 8,717,068 km (0.118 R)
• M16: 9,261,604 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.5

Radius: 15

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.54 AU - 2.36 AU

Year: 1880 Days

Day: 5.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,611,762 km

• M1: 372,798 km (0.057 R)
• M2: 873,951 km (0.116 R)
• M3: 1,489,845 km (0.065 R)
• M4: 2,025,705 km (0.032 R)
• M5: 2,952,912 km (0.108 R)
• M6: 6,063,052 km (0.105 R)
• M7: 7,205,232 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817

Radius: 12.2

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.02 AU - 2.56 AU

Year: 2392 Days

Day: 8.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,611,762 km

• M1: 151,692 km (0.12 R)
• M2: 587,620 km (0.074 R)
• M3: 985,102 km (0.106 R)
• M4: 1,697,038 km (0.115 R)
• M5: 2,247,858 km (0.036 R)
• M6: 2,639,954 km (0.108 R)
• M7: 3,111,337 km (0.098 R)
• M8: 3,492,362 km (0.094 R)
• M9: 4,477,165 km (0.041 R)
• M10: 5,919,289 km (0.093 R)
• M11: 6,426,276 km (0.032 R)
• M12: 7,286,015 km (0.069 R)
• M13: 7,995,857 km (0.049 R)
• M14: 8,921,718 km (0.089 R)
• M15: 9,481,962 km (0.036 R)
• M16: 10,103,092 km (0.111 R)
• M17: 11,025,812 km (0.107 R)
• M18: 11,548,656 km (0.108 R)
• M19: 12,045,920 km (0.096 R)
• M20: 12,514,161 km (0.119 R)
• M21: 13,761,359 km (0.103 R)
• M22: 14,367,978 km (0.087 R)
• M23: 16,450,081 km (0.1 R)
• M24: 17,293,963 km (0.117 R)
• M25: 18,221,769 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498

Radius: 8

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.46 AU - 3.48 AU

Year: 4462 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,611,762 km

• M1: 100,530 km (0.108 R)
• M2: 392,694 km (0.07 R)
• M3: 853,456 km (0.084 R)
• M4: 1,240,017 km (0.116 R)
• M5: 2,338,364 km (0.077 R)
• M6: 3,012,602 km (0.076 R)
• M7: 3,543,375 km (0.085 R)
• M8: 4,112,745 km (0.103 R)
• M9: 4,407,901 km (0.064 R)
• M10: 5,987,206 km (0.116 R)
• M11: 6,763,469 km (0.102 R)
• M12: 8,405,904 km (0.106 R)
• M13: 9,612,411 km (0.114 R)
• M14: 13,920,381 km (0.1 R)
• M15: 18,312,275 km (0.053 R)
• M16: 19,239,184 km (0.092 R)
• M17: 25,091,004 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.4

Radius: 7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.62 AU - 9.88 AU

Year: 16357 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,611,762 km

• M1: 89,310 km (0.12 R)
• M2: 350,957 km (0.109 R)
• M3: 570,267 km (0.107 R)
• M4: 1,239,718 km (0.088 R)
• M5: 1,922,333 km (0.072 R)
• M6: 2,626,639 km (0.097 R)
• M7: 2,968,321 km (0.1 R)
• M8: 3,191,371 km (0.095 R)
• M9: 3,603,364 km (0.088 R)
• M10: 3,834,044 km (0.082 R)
• M11: 6,413,710 km (0.04 R)
• M12: 6,719,188 km (0.107 R)
• M13: 10,705,074 km (0.098 R)
• M14: 12,236,208 km (0.108 R)
• M15: 13,243,600 km (0.053 R)
• M16: 15,665,141 km (0.093 R)
• M17: 16,157,767 km (0.076 R)
• M18: 16,980,106 km (0.088 R)
• M19: 19,402,844 km (0.082 R)
• M20: 20,114,630 km (0.102 R)
• M21: 24,180,551 km (0.085 R)
• M22: 31,499,477 km (0.045 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 18,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit