🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.49 AU - 0.75 AU

Year: 320 Days

Day: 31.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 163.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,815,722 km

• M1: 746,793 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.6

Radius: 12.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.74 AU - 2.88 AU

Year: 2303 Days

Day: 12.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,815,722 km

• M1: 159,023 km (0.113 R)
• M2: 853,306 km (0.084 R)
• M3: 1,602,343 km (0.072 R)
• M4: 2,056,223 km (0.084 R)
• M5: 2,639,505 km (0.034 R)
• M6: 3,230,267 km (0.094 R)
• M7: 8,387,504 km (0.025 R)
• M8: 8,946,252 km (0.104 R)
• M9: 9,494,678 km (0.074 R)
• M10: 10,734,694 km (0.103 R)
• M11: 12,623,218 km (0.05 R)
• M12: 13,226,247 km (0.073 R)
• M13: 15,199,443 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.9

Radius: 11.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.27 AU - 2.45 AU

Year: 2378 Days

Day: 14.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,815,722 km

• M1: 146,756 km (0.108 R)
• M2: 763,847 km (0.117 R)
• M3: 1,438,384 km (0.073 R)
• M4: 1,984,266 km (0.116 R)
• M5: 2,413,612 km (0.048 R)
• M6: 3,094,133 km (0.118 R)
• M7: 3,955,816 km (0.079 R)
• M8: 4,350,904 km (0.042 R)
• M9: 4,837,995 km (0.115 R)
• M10: 6,335,171 km (0.114 R)
• M11: 10,855,569 km (0.111 R)
• M12: 16,253,061 km (0.058 R)
• M13: 17,482,306 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.9

Radius: 10.9

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.26 AU - 3.2 AU

Year: 2959 Days

Day: 10.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,815,722 km

• M1: 138,528 km (0.111 R)
• M2: 499,058 km (0.095 R)
• M3: 973,433 km (0.114 R)
• M4: 1,938,040 km (0.08 R)
• M5: 2,553,486 km (0.093 R)
• M6: 3,226,527 km (0.083 R)
• M7: 3,744,734 km (0.105 R)
• M8: 4,813,162 km (0.091 R)
• M9: 5,892,361 km (0.087 R)
• M10: 6,232,546 km (0.065 R)
• M11: 8,926,655 km (0.105 R)
• M12: 9,589,224 km (0.029 R)
• M13: 12,486,485 km (0.106 R)
• M14: 13,539,505 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197

Radius: 9.4

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.63 AU - 5.01 AU

Year: 6942 Days

Day: 13.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,815,722 km

• M1: 117,135 km (0.073 R)
• M2: 903,422 km (0.109 R)
• M3: 1,327,382 km (0.114 R)
• M4: 1,638,396 km (0.103 R)
• M5: 3,450,026 km (0.091 R)
• M6: 6,588,889 km (0.101 R)
• M7: 7,642,506 km (0.107 R)
• M8: 10,869,183 km (0.104 R)
• M9: 19,216,445 km (0.056 R)
• M10: 24,657,469 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.1

Radius: 6.6

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.34 AU - 8.08 AU

Year: 12700 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,815,722 km

• M1: 82,129 km (0.117 R)
• M2: 300,991 km (0.097 R)
• M3: 1,050,626 km (0.114 R)
• M4: 1,612,366 km (0.109 R)
• M5: 1,986,660 km (0.039 R)
• M6: 2,687,526 km (0.12 R)
• M7: 3,142,453 km (0.058 R)
• M8: 4,565,877 km (0.1 R)
• M9: 4,882,127 km (0.113 R)
• M10: 6,296,425 km (0.107 R)
• M11: 6,609,084 km (0.11 R)
• M12: 7,697,110 km (0.071 R)
• M13: 8,803,236 km (0.11 R)
• M14: 10,169,813 km (0.105 R)
• M15: 12,204,493 km (0.056 R)
• M16: 14,161,682 km (0.059 R)
• M17: 17,059,094 km (0.119 R)
• M18: 20,840,180 km (0.09 R)
• M19: 23,525,013 km (0.063 R)
• M20: 26,031,376 km (0.112 R)
• M21: 30,336,354 km (0.099 R)
• M22: 30,557,759 km (0.05 R)
• M23: 39,396,300 km (0.077 R)
• M24: 39,791,986 km (0.051 R)
• M25: 44,038,322 km (0.117 R)
• M26: 44,893,723 km (0.101 R)
• M27: 46,197,468 km (0.066 R)
• M28: 46,637,585 km (0.053 R)
• M29: 49,337,228 km (0.117 R)
• M30: 49,797,092 km (0.063 R)
• M31: 52,616,413 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724

Radius: 6

Gravity: 20.11 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.81 AU - 10.29 AU

Year: 20901 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,815,722 km

• M1: 147,354 km (0.072 R)
• M2: 439,369 km (0.116 R)
• M3: 1,247,347 km (0.075 R)
• M4: 1,575,415 km (0.057 R)
• M5: 2,687,526 km (0.111 R)
• M6: 3,320,624 km (0.094 R)
• M7: 3,984,090 km (0.076 R)
• M8: 5,026,488 km (0.097 R)
• M9: 7,585,958 km (0.09 R)
• M10: 8,948,645 km (0.088 R)
• M11: 11,222,234 km (0.119 R)
• M12: 17,298,750 km (0.11 R)
• M13: 18,442,725 km (0.087 R)
• M14: 19,824,411 km (0.076 R)
• M15: 25,037,298 km (0.076 R)
• M16: 39,390,167 km (0.107 R)
• M17: 50,441,410 km (0.106 R)
• M18: 53,312,044 km (0.063 R)
• M19: 56,289,640 km (0.053 R)
• M20: 61,361,606 km (0.101 R)
• M21: 62,981,452 km (0.106 R)
• M22: 78,625,649 km (0.103 R)
• M23: 79,100,173 km (0.094 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: 193 - 15,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit