🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.94 AU - 1.02 AU

Year: 365 Days

Day: 16.4 Hours

Environment

Temp: 14 °C

Axial Tilt: 17.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.56 AU - 1.62 AU

Year: 755 Days

Day: 39.3 Hours

Environment

Temp: -53 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.53 AU - 2.03 AU

Year: 895 Days

Day: 12.5 Hours

Environment

Temp: -68 °C

Axial Tilt: 46.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.6

Radius: 8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.12 AU - 5.2 AU

Year: 4416 Days

Day: 12.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,591,819 km

• M1: 99,483 km (0.053 R)
• M2: 401,521 km (0.095 R)
• M3: 673,639 km (0.104 R)
• M4: 1,147,864 km (0.098 R)
• M5: 1,659,788 km (0.106 R)
• M6: 2,153,761 km (0.104 R)
• M7: 2,457,295 km (0.119 R)
• M8: 3,488,622 km (0.08 R)
• M9: 4,342,228 km (0.098 R)
• M10: 6,769,304 km (0.102 R)
• M11: 7,705,038 km (0.111 R)
• M12: 8,690,140 km (0.109 R)
• M13: 9,071,615 km (0.076 R)
• M14: 9,464,309 km (0.077 R)
• M15: 10,017,821 km (0.052 R)
• M16: 11,189,771 km (0.025 R)
• M17: 11,558,530 km (0.086 R)
• M18: 12,846,418 km (0.055 R)
• M19: 13,115,096 km (0.099 R)
• M20: 13,433,290 km (0.102 R)
• M21: 15,806,810 km (0.055 R)
• M22: 17,119,532 km (0.057 R)
• M23: 18,220,871 km (0.116 R)
• M24: 19,019,424 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.6

Radius: 11

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.53 AU - 9.31 AU

Year: 8397 Days

Day: 8.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,591,819 km

• M1: 138,079 km (0.076 R)
• M2: 1,409,212 km (0.108 R)
• M3: 2,052,782 km (0.116 R)
• M4: 3,676,667 km (0.079 R)
• M5: 4,926,258 km (0.117 R)
• M6: 8,711,982 km (0.052 R)
• M7: 10,450,458 km (0.104 R)
• M8: 14,044,996 km (0.078 R)
• M9: 17,739,316 km (0.086 R)
• M10: 18,655,303 km (0.094 R)
• M11: 22,712,398 km (0.102 R)
• M12: 26,220,767 km (0.116 R)
• M13: 26,810,332 km (0.108 R)
• M14: 27,408,723 km (0.082 R)
• M15: 28,543,723 km (0.081 R)
• M16: 29,618,882 km (0.086 R)
• M17: 30,720,970 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.7

Radius: 6.2

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 10.46 AU - 17.26 AU

Year: 19439 Days

Day: 16.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,591,819 km

• M1: 77,043 km (0.119 R)
• M2: 286,630 km (0.111 R)
• M3: 625,020 km (0.069 R)
• M4: 1,223,860 km (0.11 R)
• M5: 1,519,166 km (0.103 R)
• M6: 1,806,843 km (0.093 R)
• M7: 2,723,280 km (0.062 R)
• M8: 2,943,637 km (0.086 R)
• M9: 3,978,256 km (0.106 R)
• M10: 4,262,941 km (0.119 R)
• M11: 5,016,017 km (0.071 R)
• M12: 5,539,460 km (0.068 R)
• M13: 6,916,658 km (0.115 R)
• M14: 7,189,674 km (0.12 R)
• M15: 7,469,721 km (0.085 R)
• M16: 7,708,629 km (0.099 R)
• M17: 7,903,555 km (0.091 R)
• M18: 8,559,691 km (0.107 R)
• M19: 9,471,490 km (0.118 R)
• M20: 11,174,063 km (0.069 R)
• M21: 12,865,118 km (0.095 R)
• M22: 13,208,894 km (0.103 R)
• M23: 15,555,785 km (0.085 R)
• M24: 19,575,779 km (0.076 R)
• M25: 23,110,178 km (0.107 R)
• M26: 29,827,721 km (0.104 R)
• M27: 33,048,114 km (0.114 R)
• M28: 41,348,552 km (0.091 R)
• M29: 52,317,667 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.1

Radius: 5.6

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 14.89 AU - 16.73 AU

Year: 23682 Days

Day: 20.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,591,819 km

• M1: 73,303 km (0.094 R)
• M2: 401,969 km (0.051 R)
• M3: 588,219 km (0.08 R)
• M4: 851,361 km (0.086 R)
• M5: 1,336,059 km (0.11 R)
• M6: 2,247,110 km (0.1 R)
• M7: 2,508,906 km (0.08 R)
• M8: 2,749,310 km (0.027 R)
• M9: 3,116,124 km (0.115 R)
• M10: 4,135,484 km (0.119 R)
• M11: 5,327,479 km (0.107 R)
• M12: 6,656,806 km (0.103 R)
• M13: 7,079,570 km (0.096 R)
• M14: 8,323,775 km (0.096 R)
• M15: 8,769,128 km (0.086 R)
• M16: 13,216,673 km (0.12 R)
• M17: 14,383,237 km (0.058 R)
• M18: 20,449,730 km (0.084 R)
• M19: 23,640,204 km (0.118 R)
• M20: 23,994,152 km (0.106 R)
• M21: 30,046,134 km (0.118 R)
• M22: 32,161,298 km (0.052 R)
• M23: 32,814,742 km (0.096 R)
• M24: 35,981,579 km (0.1 R)
• M25: 39,594,368 km (0.12 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 18,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit