🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.9

Radius: 13.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.5 AU - 0.6 AU

Year: 277 Days

Day: 10.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,103,809 km

• M1: 167,849 km (0.111 R)
• M2: 612,902 km (0.12 R)
• M3: 1,056,161 km (0.118 R)
• M4: 1,657,844 km (0.111 R)
• M5: 2,250,700 km (0.112 R)
• M6: 2,742,578 km (0.115 R)
• M7: 3,218,449 km (0.114 R)
• M8: 3,728,278 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.6

Radius: 14.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.45 AU - 0.73 AU

Year: 307 Days

Day: 10.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,103,809 km

• M1: 178,470 km (0.114 R)
• M2: 647,759 km (0.067 R)
• M3: 1,318,705 km (0.06 R)
• M4: 1,920,687 km (0.117 R)
• M5: 2,712,509 km (0.111 R)
• M6: 3,823,123 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18

Radius: 14.8

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.47 AU - 1.47 AU

Year: 1209 Days

Day: 14.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 55,103,809 km

• M1: 194,328 km (0.099 R)
• M2: 1,306,289 km (0.09 R)
• M3: 2,146,879 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.8

Radius: 10

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.72 AU - 2.74 AU

Year: 2259 Days

Day: 6.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,103,809 km

• M1: 132,693 km (0.101 R)
• M2: 822,938 km (0.104 R)
• M3: 1,361,191 km (0.096 R)
• M4: 2,051,884 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 12.2

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.1 AU - 3.1 AU

Year: 2843 Days

Day: 8.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,103,809 km

• M1: 151,842 km (0.12 R)
• M2: 549,623 km (0.117 R)
• M3: 1,013,974 km (0.112 R)
• M4: 1,630,467 km (0.084 R)
• M5: 2,059,514 km (0.117 R)
• M6: 3,657,070 km (0.033 R)
• M7: 4,673,886 km (0.083 R)
• M8: 5,227,398 km (0.107 R)
• M9: 5,963,121 km (0.104 R)
• M10: 7,261,331 km (0.118 R)
• M11: 9,014,768 km (0.072 R)
• M12: 12,825,025 km (0.046 R)
• M13: 13,462,612 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.3

Radius: 12.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.83 AU - 2.83 AU

Year: 3229 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,103,809 km

• M1: 157,975 km (0.039 R)
• M2: 742,604 km (0.105 R)
• M3: 1,193,941 km (0.114 R)
• M4: 2,103,645 km (0.096 R)
• M5: 2,600,759 km (0.048 R)
• M6: 3,606,057 km (0.054 R)
• M7: 5,014,371 km (0.062 R)
• M8: 6,638,854 km (0.06 R)
• M9: 7,347,200 km (0.083 R)
• M10: 9,841,296 km (0.117 R)
• M11: 10,661,391 km (0.111 R)
• M12: 11,958,405 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.4

Radius: 14

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.78 AU - 3.68 AU

Year: 3937 Days

Day: 14.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,103,809 km

• M1: 174,282 km (0.028 R)
• M2: 769,083 km (0.047 R)
• M3: 1,287,140 km (0.087 R)
• M4: 1,972,298 km (0.079 R)
• M5: 2,543,762 km (0.037 R)
• M6: 3,460,947 km (0.11 R)
• M7: 5,067,478 km (0.049 R)
• M8: 5,774,478 km (0.107 R)
• M9: 6,229,854 km (0.033 R)
• M10: 7,241,734 km (0.076 R)
• M11: 8,911,844 km (0.051 R)
• M12: 10,750,851 km (0.084 R)
• M13: 12,082,870 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.7

Radius: 5.1

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.53 AU - 10.45 AU

Year: 19829 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,103,809 km

• M1: 63,429 km (0.087 R)
• M2: 231,278 km (0.101 R)
• M3: 833,859 km (0.066 R)
• M4: 1,008,589 km (0.032 R)
• M5: 1,233,285 km (0.074 R)
• M6: 1,534,725 km (0.067 R)
• M7: 2,383,094 km (0.109 R)
• M8: 3,253,604 km (0.1 R)
• M9: 3,507,322 km (0.039 R)
• M10: 4,083,274 km (0.105 R)
• M11: 4,881,079 km (0.089 R)
• M12: 5,597,504 km (0.059 R)
• M13: 6,538,923 km (0.111 R)
• M14: 7,068,051 km (0.061 R)
• M15: 8,778,553 km (0.057 R)
• M16: 11,139,207 km (0.1 R)
• M17: 12,741,849 km (0.116 R)
• M18: 15,039,822 km (0.104 R)
• M19: 16,322,773 km (0.071 R)
• M20: 17,909,857 km (0.066 R)
• M21: 18,620,447 km (0.103 R)
• M22: 19,929,877 km (0.112 R)
• M23: 22,730,798 km (0.118 R)
• M24: 24,416,018 km (0.079 R)
• M25: 25,882,676 km (0.113 R)
• M26: 28,244,078 km (0.046 R)
• M27: 28,562,273 km (0.066 R)
• M28: 31,194,746 km (0.056 R)
• M29: 35,686,422 km (0.06 R)
• M30: 39,390,765 km (0.091 R)
• M31: 41,403,604 km (0.096 R)
• M32: 43,484,211 km (0.098 R)
• M33: 43,766,802 km (0.052 R)
• M34: 45,779,043 km (0.111 R)
• M35: 53,793,450 km (0.109 R)
• M36: 54,282,335 km (0.112 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 19,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit