🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 14.6

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.97 AU - 1.47 AU

Year: 914 Days

Day: 7.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,897,550 km

• M1: 182,809 km (0.105 R)
• M2: 642,822 km (0.12 R)
• M3: 1,135,298 km (0.055 R)
• M4: 1,956,740 km (0.076 R)
• M5: 2,598,814 km (0.037 R)
• M6: 3,216,953 km (0.074 R)
• M7: 4,183,056 km (0.073 R)
• M8: 5,019,757 km (0.072 R)
• M9: 5,904,478 km (0.088 R)
• M10: 6,756,139 km (0.055 R)
• M11: 7,423,944 km (0.1 R)
• M12: 8,494,915 km (0.098 R)
• M13: 8,972,880 km (0.036 R)
• M14: 9,553,320 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306

Radius: 9.2

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.9 AU - 1.92 AU

Year: 1790 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,897,550 km

• M1: 116,836 km (0.051 R)
• M2: 506,389 km (0.091 R)
• M3: 1,116,449 km (0.076 R)
• M4: 2,398,203 km (0.038 R)
• M5: 3,235,952 km (0.076 R)
• M6: 3,818,785 km (0.106 R)
• M7: 5,074,509 km (0.084 R)
• M8: 8,885,665 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.2

Radius: 11.1

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.11 AU - 4.97 AU

Year: 5508 Days

Day: 14.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,897,550 km

• M1: 138,079 km (0.104 R)
• M2: 972,087 km (0.09 R)
• M3: 2,111,574 km (0.094 R)
• M4: 2,879,011 km (0.054 R)
• M5: 3,260,934 km (0.105 R)
• M6: 7,077,924 km (0.092 R)
• M7: 8,372,993 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110

Radius: 7.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.69 AU - 7.89 AU

Year: 13350 Days

Day: 19.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,897,550 km

• M1: 112,049 km (0.116 R)
• M2: 491,429 km (0.104 R)
• M3: 1,471,594 km (0.113 R)
• M4: 2,431,265 km (0.054 R)
• M5: 2,817,377 km (0.098 R)
• M6: 3,713,019 km (0.07 R)
• M7: 5,337,353 km (0.105 R)
• M8: 6,116,010 km (0.07 R)
• M9: 8,786,033 km (0.088 R)
• M10: 9,569,177 km (0.07 R)
• M11: 10,899,252 km (0.074 R)
• M12: 21,193,979 km (0.104 R)
• M13: 29,016,302 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.4

Radius: 5.9

Gravity: 15.84 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.15 AU - 9.33 AU

Year: 17525 Days

Day: 23 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 50,897,550 km

• M1: 73,303 km (0.116 R)
• M2: 438,471 km (0.107 R)
• M3: 672,891 km (0.108 R)
• M4: 1,464,264 km (0.093 R)
• M5: 1,874,312 km (0.071 R)
• M6: 2,155,257 km (0.066 R)
• M7: 2,825,305 km (0.081 R)
• M8: 4,700,515 km (0.104 R)
• M9: 5,513,280 km (0.113 R)
• M10: 6,837,819 km (0.099 R)
• M11: 7,459,249 km (0.064 R)
• M12: 7,643,404 km (0.084 R)
• M13: 8,411,140 km (0.058 R)
• M14: 8,762,695 km (0.119 R)
• M15: 13,302,093 km (0.093 R)
• M16: 13,779,460 km (0.117 R)
• M17: 14,695,896 km (0.085 R)
• M18: 17,284,388 km (0.083 R)
• M19: 19,457,746 km (0.071 R)
• M20: 22,470,049 km (0.114 R)
• M21: 28,492,710 km (0.089 R)
• M22: 31,151,662 km (0.112 R)
• M23: 31,510,248 km (0.075 R)
• M24: 33,971,582 km (0.069 R)
• M25: 36,162,144 km (0.066 R)
• M26: 39,273,181 km (0.115 R)
• M27: 39,972,252 km (0.09 R)
• M28: 40,964,983 km (0.113 R)
• M29: 42,411,445 km (0.116 R)
• M30: 43,742,118 km (0.061 R)
• M31: 45,406,095 km (0.105 R)
• M32: 47,426,265 km (0.113 R)
• M33: 51,979,575 km (0.101 R)
• M34: 53,673,921 km (0.082 R)
• M35: 55,055,607 km (0.087 R)
• M36: 58,431,881 km (0.087 R)
• M37: 59,159,824 km (0.04 R)
• M38: 59,893,752 km (0.055 R)
• M39: 60,263,109 km (0.06 R)
• M40: 61,192,859 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.6

Radius: 3.1

Gravity: 22.12 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.87 AU - 9.99 AU

Year: 19641 Days

Day: 18.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,897,550 km

• M1: 38,596 km (0.086 R)
• M2: 137,929 km (0.065 R)
• M3: 673,639 km (0.12 R)
• M4: 862,133 km (0.117 R)
• M5: 1,179,130 km (0.115 R)
• M6: 1,370,915 km (0.085 R)
• M7: 2,593,877 km (0.105 R)
• M8: 2,851,335 km (0.05 R)
• M9: 3,009,311 km (0.113 R)
• M10: 3,726,483 km (0.05 R)
• M11: 4,766,338 km (0.096 R)
• M12: 5,152,151 km (0.073 R)
• M13: 6,095,664 km (0.089 R)
• M14: 6,319,912 km (0.1 R)
• M15: 7,148,534 km (0.027 R)
• M16: 7,696,362 km (0.11 R)
• M17: 9,656,991 km (0.07 R)
• M18: 11,868,796 km (0.099 R)
• M19: 17,483,204 km (0.106 R)
• M20: 21,408,951 km (0.108 R)
• M21: 23,347,889 km (0.108 R)
• M22: 27,267,802 km (0.106 R)
• M23: 29,329,859 km (0.059 R)
• M24: 29,861,081 km (0.066 R)
• M25: 35,291,634 km (0.109 R)
• M26: 41,477,506 km (0.046 R)
• M27: 46,312,808 km (0.086 R)
• M28: 49,387,044 km (0.072 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 14,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit