🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.6 AU - 0.68 AU

Year: 187 Days

Day: 15.9 Hours

Environment

Temp: 143 °C

Axial Tilt: 28 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,259,357 km

• M1: 155,731 km (0.03 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.7 AU - 1.84 AU

Year: 860 Days

Day: 47.2 Hours

Environment

Temp: -47 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,259,357 km

• M1: 1,173,894 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.46 AU - 4.72 AU

Year: 3021 Days

Day: 46.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,259,357 km

• M1: 1,788,592 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.4

Radius: 8.7

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.08 AU - 6.28 AU

Year: 4944 Days

Day: 5.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,259,357 km

• M1: 108,159 km (0.048 R)
• M2: 504,145 km (0.053 R)
• M3: 813,214 km (0.103 R)
• M4: 1,092,962 km (0.115 R)
• M5: 1,657,096 km (0.072 R)
• M6: 2,521,771 km (0.096 R)
• M7: 2,976,698 km (0.108 R)
• M8: 3,379,117 km (0.072 R)
• M9: 3,749,521 km (0.11 R)
• M10: 4,293,758 km (0.115 R)
• M11: 5,364,580 km (0.114 R)
• M12: 7,688,583 km (0.098 R)
• M13: 9,133,249 km (0.118 R)
• M14: 9,941,676 km (0.068 R)
• M15: 10,843,302 km (0.07 R)
• M16: 13,175,384 km (0.037 R)
• M17: 13,549,229 km (0.073 R)
• M18: 17,366,667 km (0.086 R)
• M19: 23,756,142 km (0.033 R)
• M20: 26,868,974 km (0.084 R)
• M21: 27,818,472 km (0.11 R)
• M22: 30,059,299 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.6

Radius: 8

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.84 AU - 10.98 AU

Year: 12268 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,259,357 km

• M1: 99,483 km (0.108 R)
• M2: 882,478 km (0.1 R)
• M3: 1,290,730 km (0.073 R)
• M4: 2,650,126 km (0.096 R)
• M5: 3,710,326 km (0.097 R)
• M6: 3,965,690 km (0.112 R)
• M7: 5,290,230 km (0.106 R)
• M8: 5,753,534 km (0.098 R)
• M9: 6,273,387 km (0.078 R)
• M10: 8,597,090 km (0.111 R)
• M11: 11,219,392 km (0.056 R)
• M12: 11,984,585 km (0.058 R)
• M13: 13,921,428 km (0.105 R)
• M14: 14,488,703 km (0.052 R)
• M15: 15,890,585 km (0.06 R)
• M16: 16,797,148 km (0.118 R)
• M17: 19,658,955 km (0.055 R)
• M18: 22,337,954 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.1

Radius: 4.7

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 13.25 AU - 21.13 AU

Year: 26032 Days

Day: 21.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,259,357 km

• M1: 59,091 km (0.09 R)
• M2: 310,715 km (0.086 R)
• M3: 471,233 km (0.098 R)
• M4: 904,618 km (0.073 R)
• M5: 1,178,233 km (0.111 R)
• M6: 1,327,532 km (0.062 R)
• M7: 1,715,289 km (0.059 R)
• M8: 2,038,720 km (0.098 R)
• M9: 2,902,199 km (0.089 R)
• M10: 4,076,841 km (0.083 R)
• M11: 7,359,617 km (0.087 R)
• M12: 8,356,088 km (0.097 R)
• M13: 12,453,724 km (0.061 R)
• M14: 13,246,143 km (0.072 R)
• M15: 14,071,475 km (0.049 R)
• M16: 14,496,931 km (0.053 R)
• M17: 14,712,801 km (0.077 R)
• M18: 17,554,263 km (0.112 R)
• M19: 21,015,210 km (0.052 R)
• M20: 21,291,816 km (0.064 R)
• M21: 24,293,348 km (0.085 R)
• M22: 25,841,985 km (0.075 R)
• M23: 28,007,564 km (0.093 R)
• M24: 28,567,209 km (0.106 R)
• M25: 30,408,460 km (0.115 R)
• M26: 31,238,279 km (0.051 R)
• M27: 33,191,579 km (0.11 R)
• M28: 36,669,729 km (0.101 R)
• M29: 37,204,841 km (0.118 R)
• M30: 38,153,890 km (0.048 R)
• M31: 39,118,796 km (0.108 R)
• M32: 41,819,935 km (0.111 R)
• M33: 46,958,921 km (0.096 R)
• M34: 47,589,925 km (0.103 R)
• M35: 50,006,379 km (0.095 R)
• M36: 55,607,773 km (0.103 R)
• M37: 56,491,298 km (0.107 R)
• M38: 57,204,879 km (0.098 R)
• M39: 63,131,349 km (0.027 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 17,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit