🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.8

Radius: 11.8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.64 AU - 0.72 AU

Year: 394 Days

Day: 10.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,626,248 km

• M1: 146,756 km (0.061 R)
• M2: 534,064 km (0.108 R)
• M3: 906,862 km (0.07 R)
• M4: 1,309,281 km (0.118 R)
• M5: 1,952,851 km (0.067 R)
• M6: 2,396,707 km (0.067 R)
• M7: 2,815,133 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.8

Radius: 8.2

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.61 AU - 0.87 AU

Year: 447 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,626,248 km

• M1: 102,026 km (0.103 R)
• M2: 367,263 km (0.042 R)
• M3: 635,492 km (0.12 R)
• M4: 905,067 km (0.039 R)
• M5: 1,459,626 km (0.096 R)
• M6: 1,943,725 km (0.109 R)
• M7: 2,451,909 km (0.059 R)
• M8: 3,267,816 km (0.034 R)
• M9: 4,838,893 km (0.092 R)
• M10: 6,318,116 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.3

Radius: 10.3

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.56 AU - 3.04 AU

Year: 3293 Days

Day: 10.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,626,248 km

• M1: 128,056 km (0.069 R)
• M2: 484,548 km (0.059 R)
• M3: 827,575 km (0.104 R)
• M4: 1,148,463 km (0.077 R)
• M5: 1,748,500 km (0.069 R)
• M6: 2,108,133 km (0.112 R)
• M7: 2,474,349 km (0.102 R)
• M8: 3,249,266 km (0.08 R)
• M9: 4,303,332 km (0.115 R)
• M10: 4,693,932 km (0.094 R)
• M11: 5,179,377 km (0.092 R)
• M12: 5,749,345 km (0.09 R)
• M13: 6,839,764 km (0.105 R)
• M14: 9,071,914 km (0.066 R)
• M15: 9,462,215 km (0.105 R)
• M16: 11,177,355 km (0.08 R)
• M17: 11,918,313 km (0.11 R)
• M18: 12,343,919 km (0.062 R)
• M19: 14,966,669 km (0.105 R)
• M20: 19,594,927 km (0.072 R)
• M21: 19,949,474 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.5

Radius: 13.7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.28 AU - 4.06 AU

Year: 4942 Days

Day: 12.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,626,248 km

• M1: 170,542 km (0.099 R)
• M2: 1,054,216 km (0.12 R)
• M3: 1,586,186 km (0.098 R)
• M4: 2,056,073 km (0.086 R)
• M5: 2,973,258 km (0.056 R)
• M6: 4,298,096 km (0.051 R)
• M7: 5,279,458 km (0.072 R)
• M8: 7,240,687 km (0.066 R)
• M9: 7,782,680 km (0.085 R)
• M10: 8,283,234 km (0.083 R)
• M11: 9,165,712 km (0.065 R)
• M12: 9,839,202 km (0.061 R)
• M13: 13,193,036 km (0.09 R)
• M14: 16,310,656 km (0.083 R)
• M15: 17,639,683 km (0.105 R)
• M16: 20,387,048 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799

Radius: 6.8

Gravity: 17.28 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.72 AU - 9.32 AU

Year: 14496 Days

Day: 16.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,626,248 km

• M1: 84,972 km (0.063 R)
• M2: 396,135 km (0.115 R)
• M3: 1,232,088 km (0.058 R)
• M4: 1,501,364 km (0.068 R)
• M5: 2,320,712 km (0.037 R)
• M6: 3,045,962 km (0.12 R)
• M7: 3,434,019 km (0.089 R)
• M8: 3,767,772 km (0.038 R)
• M9: 4,032,111 km (0.109 R)
• M10: 4,764,543 km (0.112 R)
• M11: 5,004,198 km (0.092 R)
• M12: 7,724,486 km (0.051 R)
• M13: 7,960,252 km (0.03 R)
• M14: 9,055,309 km (0.036 R)
• M15: 10,135,106 km (0.053 R)
• M16: 11,298,080 km (0.092 R)
• M17: 16,924,606 km (0.114 R)
• M18: 17,809,327 km (0.115 R)
• M19: 21,751,381 km (0.107 R)
• M20: 22,990,051 km (0.088 R)
• M21: 23,478,787 km (0.1 R)
• M22: 25,711,835 km (0.102 R)
• M23: 29,895,788 km (0.06 R)
• M24: 30,595,308 km (0.101 R)
• M25: 31,186,519 km (0.092 R)
• M26: 32,270,056 km (0.075 R)
• M27: 35,411,013 km (0.079 R)
• M28: 35,801,164 km (0.11 R)
• M29: 38,066,076 km (0.046 R)
• M30: 39,721,227 km (0.06 R)
• M31: 40,993,706 km (0.102 R)
• M32: 41,567,863 km (0.045 R)
• M33: 44,821,916 km (0.042 R)
• M34: 46,355,593 km (0.108 R)
• M35: 50,670,893 km (0.1 R)
• M36: 52,334,721 km (0.042 R)
• M37: 53,691,873 km (0.059 R)
• M38: 57,186,928 km (0.102 R)
• M39: 63,471,385 km (0.12 R)
• M40: 64,432,850 km (0.062 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 19,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit