🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.6

Radius: 12.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.49 AU - 0.59 AU

Year: 274 Days

Day: 5.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,847,273 km

• M1: 151,692 km (0.057 R)
• M2: 599,738 km (0.108 R)
• M3: 1,323,492 km (0.115 R)
• M4: 1,734,139 km (0.047 R)
• M5: 2,172,011 km (0.074 R)
• M6: 3,020,231 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 15

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.88 AU - 1.18 AU

Year: 722 Days

Day: 7.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,847,273 km

• M1: 186,549 km (0.116 R)
• M2: 733,030 km (0.079 R)
• M3: 1,216,231 km (0.107 R)
• M4: 1,721,273 km (0.088 R)
• M5: 2,282,265 km (0.112 R)
• M6: 3,035,191 km (0.115 R)
• M7: 3,978,107 km (0.106 R)
• M8: 4,636,188 km (0.109 R)
• M9: 5,125,971 km (0.077 R)
• M10: 7,465,532 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.3

Radius: 9.5

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.14 AU - 1.32 AU

Year: 942 Days

Day: 5.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,847,273 km

• M1: 118,182 km (0.099 R)
• M2: 423,362 km (0.083 R)
• M3: 818,001 km (0.103 R)
• M4: 1,191,098 km (0.073 R)
• M5: 1,987,707 km (0.08 R)
• M6: 2,336,120 km (0.034 R)
• M7: 2,653,567 km (0.119 R)
• M8: 3,307,160 km (0.115 R)
• M9: 3,985,287 km (0.119 R)
• M10: 4,492,574 km (0.09 R)
• M11: 5,229,343 km (0.115 R)
• M12: 5,636,698 km (0.09 R)
• M13: 6,319,762 km (0.096 R)
• M14: 6,647,980 km (0.085 R)
• M15: 7,033,793 km (0.118 R)
• M16: 7,555,141 km (0.092 R)
• M17: 8,490,128 km (0.076 R)
• M18: 9,247,542 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.9

Radius: 8.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.26 AU - 1.86 AU

Year: 1345 Days

Day: 13.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,847,273 km

• M1: 108,309 km (0.038 R)
• M2: 490,083 km (0.089 R)
• M3: 995,723 km (0.085 R)
• M4: 1,486,704 km (0.115 R)
• M5: 2,142,242 km (0.09 R)
• M6: 3,470,970 km (0.114 R)
• M7: 5,090,367 km (0.073 R)
• M8: 5,573,418 km (0.045 R)
• M9: 6,002,465 km (0.083 R)
• M10: 6,858,015 km (0.071 R)
• M11: 7,327,154 km (0.079 R)
• M12: 7,918,066 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.9

Radius: 13.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.68 AU - 2.7 AU

Year: 3045 Days

Day: 9.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,847,273 km

• M1: 175,329 km (0.12 R)
• M2: 613,650 km (0.115 R)
• M3: 1,157,289 km (0.114 R)
• M4: 1,976,936 km (0.034 R)
• M5: 3,290,704 km (0.037 R)
• M6: 5,404,522 km (0.091 R)
• M7: 7,620,216 km (0.087 R)
• M8: 8,178,216 km (0.096 R)
• M9: 9,066,229 km (0.07 R)
• M10: 10,349,181 km (0.089 R)
• M11: 12,967,293 km (0.055 R)
• M12: 13,945,813 km (0.116 R)
• M13: 14,546,747 km (0.086 R)
• M14: 15,603,208 km (0.08 R)
• M15: 16,352,394 km (0.079 R)
• M16: 17,388,359 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.7

Radius: 7.9

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.66 AU - 10.74 AU

Year: 20853 Days

Day: 22.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,847,273 km

• M1: 98,286 km (0.032 R)
• M2: 382,671 km (0.074 R)
• M3: 653,892 km (0.068 R)
• M4: 1,357,301 km (0.115 R)
• M5: 1,658,442 km (0.059 R)
• M6: 2,350,931 km (0.113 R)
• M7: 3,082,763 km (0.093 R)
• M8: 3,892,836 km (0.106 R)
• M9: 4,226,439 km (0.108 R)
• M10: 4,579,191 km (0.079 R)
• M11: 10,109,076 km (0.062 R)
• M12: 10,358,755 km (0.032 R)
• M13: 12,436,520 km (0.034 R)
• M14: 13,236,120 km (0.083 R)
• M15: 16,009,067 km (0.12 R)
• M16: 17,937,383 km (0.066 R)
• M17: 18,489,100 km (0.104 R)
• M18: 21,521,299 km (0.089 R)
• M19: 21,935,237 km (0.089 R)
• M20: 24,756,652 km (0.051 R)
• M21: 25,555,804 km (0.113 R)
• M22: 30,196,181 km (0.035 R)
• M23: 31,770,698 km (0.098 R)
• M24: 34,798,260 km (0.097 R)
• M25: 35,656,204 km (0.039 R)
• M26: 39,075,861 km (0.12 R)
• M27: 45,363,610 km (0.115 R)
• M28: 47,775,726 km (0.117 R)
• M29: 48,835,178 km (0.073 R)
• M30: 50,453,527 km (0.052 R)
• M31: 72,981,172 km (0.068 R)
• M32: 75,569,963 km (0.064 R)
• M33: 79,937,024 km (0.145 R)
• M34: 83,702,402 km (0.049 R)
• M35: 86,017,429 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 18,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit