🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.52 AU - 0.7 AU

Year: 175 Days

Day: 17.3 Hours

Environment

Temp: 182 °C

Axial Tilt: 35.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 74,496,202 km

• M1: 26,030 km (0.112 R)
• M2: 150,346 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.63 AU - 0.95 AU

Year: 258 Days

Day: 39.1 Hours

Environment

Temp: 184 °C

Axial Tilt: 42.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.97 AU - 1.47 AU

Year: 495 Days

Day: 37.2 Hours

Environment

Temp: 9 °C

Axial Tilt: 21.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.53 AU - 1.67 AU

Year: 743 Days

Day: 37.9 Hours

Environment

Temp: -41 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.7

Radius: 8.9

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.82 AU - 6.34 AU

Year: 4839 Days

Day: 13.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,496,202 km

• M1: 111,750 km (0.099 R)
• M2: 403,914 km (0.086 R)
• M3: 864,376 km (0.086 R)
• M4: 1,332,917 km (0.096 R)
• M5: 1,710,951 km (0.117 R)
• M6: 2,001,919 km (0.115 R)
• M7: 2,561,864 km (0.083 R)
• M8: 3,441,948 km (0.068 R)
• M9: 5,146,167 km (0.078 R)
• M10: 5,524,350 km (0.072 R)
• M11: 6,830,788 km (0.11 R)
• M12: 7,226,026 km (0.081 R)
• M13: 8,298,194 km (0.036 R)
• M14: 9,324,884 km (0.106 R)
• M15: 11,800,579 km (0.051 R)
• M16: 13,143,071 km (0.1 R)
• M17: 13,899,288 km (0.088 R)
• M18: 14,239,174 km (0.055 R)
• M19: 15,087,544 km (0.075 R)
• M20: 16,503,936 km (0.1 R)
• M21: 19,417,504 km (0.082 R)
• M22: 20,900,468 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.9

Radius: 13.3

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.59 AU - 6.93 AU

Year: 5750 Days

Day: 13.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,496,202 km

• M1: 169,644 km (0.074 R)
• M2: 589,416 km (0.075 R)
• M3: 1,195,885 km (0.077 R)
• M4: 1,626,578 km (0.119 R)
• M5: 2,177,995 km (0.09 R)
• M6: 2,728,665 km (0.05 R)
• M7: 3,270,957 km (0.105 R)
• M8: 3,773,606 km (0.049 R)
• M9: 5,688,160 km (0.115 R)
• M10: 6,387,829 km (0.119 R)
• M11: 7,849,849 km (0.114 R)
• M12: 8,955,228 km (0.116 R)
• M13: 11,333,086 km (0.084 R)
• M14: 13,570,472 km (0.076 R)
• M15: 13,997,125 km (0.108 R)
• M16: 18,510,343 km (0.031 R)
• M17: 22,921,386 km (0.116 R)
• M18: 24,535,248 km (0.039 R)
• M19: 25,169,692 km (0.045 R)
• M20: 29,831,012 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.8

Radius: 8.1

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.35 AU - 10.71 AU

Year: 10800 Days

Day: 11.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,496,202 km

• M1: 100,679 km (0.111 R)
• M2: 468,541 km (0.119 R)
• M3: 883,824 km (0.046 R)
• M4: 1,215,632 km (0.113 R)
• M5: 2,000,722 km (0.116 R)
• M6: 3,608,450 km (0.043 R)
• M7: 4,213,873 km (0.091 R)
• M8: 6,076,217 km (0.095 R)
• M9: 6,777,831 km (0.113 R)
• M10: 7,288,259 km (0.114 R)
• M11: 8,430,139 km (0.106 R)
• M12: 10,799,620 km (0.088 R)
• M13: 12,567,268 km (0.055 R)
• M14: 17,377,438 km (0.089 R)
• M15: 18,407,868 km (0.069 R)
• M16: 19,400,600 km (0.066 R)
• M17: 19,949,774 km (0.066 R)
• M18: 20,833,598 km (0.111 R)
• M19: 21,161,367 km (0.102 R)
• M20: 23,200,984 km (0.117 R)
• M21: 23,553,138 km (0.1 R)
• M22: 25,368,059 km (0.075 R)
• M23: 25,836,001 km (0.068 R)
• M24: 26,788,939 km (0.117 R)
• M25: 29,376,384 km (0.086 R)
• M26: 30,414,444 km (0.047 R)
• M27: 32,017,086 km (0.119 R)
• M28: 33,787,876 km (0.095 R)
• M29: 36,209,566 km (0.106 R)
• M30: 41,010,012 km (0.027 R)
• M31: 41,914,331 km (0.081 R)
• M32: 45,940,758 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.3

Radius: 13.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 9.86 AU - 12.62 AU

Year: 13833 Days

Day: 12.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,496,202 km

• M1: 193,580 km (0.119 R)
• M2: 699,968 km (0.098 R)
• M3: 1,400,086 km (0.079 R)
• M4: 1,909,617 km (0.12 R)
• M5: 3,467,828 km (0.082 R)
• M6: 4,240,202 km (0.047 R)
• M7: 5,504,753 km (0.087 R)
• M8: 6,167,471 km (0.099 R)
• M9: 7,787,018 km (0.106 R)
• M10: 8,338,286 km (0.078 R)
• M11: 15,167,130 km (0.103 R)
• M12: 16,999,853 km (0.099 R)
• M13: 17,694,436 km (0.104 R)
• M14: 18,327,684 km (0.099 R)
• M15: 20,062,122 km (0.114 R)
• M16: 21,366,465 km (0.066 R)
• M17: 27,678,299 km (0.105 R)
• M18: 30,971,247 km (0.118 R)
• M19: 33,908,153 km (0.063 R)
• M20: 40,466,374 km (0.054 R)
• M21: 42,404,713 km (0.074 R)
• M22: 45,426,889 km (0.098 R)
• M23: 48,744,372 km (0.06 R)
• M24: 51,897,297 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.8

Radius: 3.6

Gravity: 31.39 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 15.9 AU - 17.58 AU

Year: 25142 Days

Day: 24 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,496,202 km

• M1: 44,879 km (0.066 R)
• M2: 1,264,850 km (0.037 R)
• M3: 4,130,098 km (0.06 R)
• M4: 5,841,198 km (0.04 R)
• M5: 9,747,498 km (0.109 R)
• M6: 18,661,138 km (0.085 R)
• M7: 19,653,420 km (0.114 R)
• M8: 25,254,664 km (0.104 R)
• M9: 29,007,626 km (0.082 R)
• M10: 29,970,288 km (0.107 R)
• M11: 32,727,227 km (0.065 R)
• M12: 38,883,179 km (0.055 R)
• M13: 57,079,068 km (0.107 R)
• M14: 58,969,536 km (0.112 R)
• M15: 62,675,674 km (0.105 R)
• M16: 65,299,022 km (0.086 R)
• M17: 70,117,868 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 18,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit