🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 14.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.71 AU - 0.79 AU

Year: 448 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,839,528 km

• M1: 180,265 km (0.097 R)
• M2: 663,167 km (0.08 R)
• M3: 1,119,590 km (0.083 R)
• M4: 1,617,901 km (0.046 R)
• M5: 2,085,245 km (0.114 R)
• M6: 2,536,432 km (0.099 R)
• M7: 3,086,952 km (0.067 R)
• M8: 4,221,054 km (0.112 R)
• M9: 4,755,716 km (0.084 R)
• M10: 5,286,789 km (0.088 R)
• M11: 5,979,876 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.6

Radius: 10.7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.67 AU - 0.97 AU

Year: 513 Days

Day: 10.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,839,528 km

• M1: 133,142 km (0.066 R)
• M2: 469,139 km (0.119 R)
• M3: 917,783 km (0.111 R)
• M4: 1,399,787 km (0.109 R)
• M5: 1,744,760 km (0.049 R)
• M6: 2,155,855 km (0.119 R)
• M7: 2,791,496 km (0.044 R)
• M8: 3,312,396 km (0.096 R)
• M9: 3,719,751 km (0.099 R)
• M10: 4,492,723 km (0.083 R)
• M11: 5,385,374 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.9

Radius: 14.5

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.2 AU - 1.54 AU

Year: 1107 Days

Day: 14 Hours

Environment

Temp: -192 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,839,528 km

• M1: 180,714 km (0.109 R)
• M2: 642,972 km (0.11 R)
• M3: 1,131,259 km (0.069 R)
• M4: 2,060,860 km (0.053 R)
• M5: 2,876,169 km (0.075 R)
• M6: 3,426,988 km (0.046 R)
• M7: 4,706,349 km (0.063 R)
• M8: 5,414,545 km (0.098 R)
• M9: 6,422,237 km (0.111 R)
• M10: 7,448,478 km (0.094 R)
• M11: 8,638,080 km (0.116 R)
• M12: 10,460,033 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.2

Radius: 13.2

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.58 AU - 1.96 AU

Year: 1625 Days

Day: 13 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,839,528 km

• M1: 164,109 km (0.096 R)
• M2: 828,024 km (0.031 R)
• M3: 1,319,453 km (0.118 R)
• M4: 2,202,978 km (0.085 R)
• M5: 3,000,185 km (0.109 R)
• M6: 3,450,325 km (0.079 R)
• M7: 4,353,448 km (0.104 R)
• M8: 6,056,619 km (0.03 R)
• M9: 6,807,900 km (0.061 R)
• M10: 7,288,109 km (0.077 R)
• M11: 9,835,611 km (0.111 R)
• M12: 11,607,149 km (0.103 R)
• M13: 12,887,557 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.2

Radius: 8.4

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.74 AU - 2.16 AU

Year: 1880 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,839,528 km

• M1: 104,419 km (0.079 R)
• M2: 373,695 km (0.113 R)
• M3: 680,970 km (0.098 R)
• M4: 1,075,160 km (0.095 R)
• M5: 1,773,782 km (0.058 R)
• M6: 2,095,417 km (0.086 R)
• M7: 2,611,380 km (0.12 R)
• M8: 3,015,295 km (0.103 R)
• M9: 3,444,491 km (0.118 R)
• M10: 3,792,605 km (0.071 R)
• M11: 4,677,327 km (0.06 R)
• M12: 5,558,758 km (0.113 R)
• M13: 5,875,905 km (0.117 R)
• M14: 6,497,185 km (0.087 R)
• M15: 7,347,948 km (0.054 R)
• M16: 7,786,270 km (0.101 R)
• M17: 10,144,232 km (0.059 R)
• M18: 11,431,072 km (0.061 R)
• M19: 12,057,439 km (0.093 R)
• M20: 12,321,928 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.4

Radius: 10.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.84 AU - 3 AU

Year: 2599 Days

Day: 10 Hours

Environment

Temp: -211 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,839,528 km

• M1: 128,205 km (0.069 R)
• M2: 477,666 km (0.079 R)
• M3: 798,703 km (0.084 R)
• M4: 1,131,558 km (0.099 R)
• M5: 2,440,540 km (0.081 R)
• M6: 3,849,602 km (0.044 R)
• M7: 4,270,421 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.5

Radius: 9.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.36 AU - 3.68 AU

Year: 4559 Days

Day: 12.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 25,839,528 km

• M1: 118,332 km (0.075 R)
• M2: 451,337 km (0.11 R)
• M3: 877,840 km (0.084 R)
• M4: 1,311,225 km (0.117 R)
• M5: 2,258,629 km (0.103 R)
• M6: 2,817,825 km (0.088 R)
• M7: 3,234,007 km (0.051 R)
• M8: 3,690,729 km (0.04 R)
• M9: 4,258,453 km (0.069 R)
• M10: 4,984,601 km (0.11 R)
• M11: 5,377,595 km (0.118 R)
• M12: 5,991,395 km (0.113 R)
• M13: 6,776,185 km (0.083 R)
• M14: 8,403,062 km (0.089 R)
• M15: 9,037,357 km (0.102 R)
• M16: 9,583,240 km (0.105 R)
• M17: 10,612,623 km (0.077 R)
• M18: 12,269,269 km (0.092 R)
• M19: 15,530,503 km (0.096 R)
• M20: 15,863,059 km (0.06 R)
• M21: 20,234,907 km (0.07 R)
• M22: 21,923,568 km (0.056 R)
• M23: 24,517,445 km (0.065 R)
• M24: 25,425,654 km (0.1 R)
• M25: 25,888,211 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38

Radius: 5.1

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.81 AU - 8.99 AU

Year: 16805 Days

Day: 17.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,839,528 km

• M1: 64,028 km (0.077 R)
• M2: 410,945 km (0.082 R)
• M3: 759,359 km (0.032 R)
• M4: 924,066 km (0.081 R)
• M5: 1,616,106 km (0.1 R)
• M6: 4,565,877 km (0.047 R)
• M7: 9,406,415 km (0.074 R)
• M8: 20,729,777 km (0.091 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: 456 - 14,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit