🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.4 AU - 0.64 AU

Year: 138 Days

Day: 20.8 Hours

Environment

Temp: 232 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.91 AU - 1.39 AU

Year: 453 Days

Day: 33.9 Hours

Environment

Temp: 22 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,166,925 km

• M1: 469,737 km (0.05 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.11 AU - 1.59 AU

Year: 576 Days

Day: 31.3 Hours

Environment

Temp: 0 °C

Axial Tilt: 47.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.37 AU - 2.65 AU

Year: 1460 Days

Day: 37.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.48 AU - 2.7 AU

Year: 1530 Days

Day: 45.8 Hours

Environment

Temp: -86 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,166,925 km

• M1: 65,823 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.35 AU - 4.77 AU

Year: 3575 Days

Day: 44.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 11.6

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.62 AU - 7.66 AU

Year: 6281 Days

Day: 8.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,166,925 km

• M1: 146,307 km (0.097 R)
• M2: 557,701 km (0.12 R)
• M3: 1,551,928 km (0.106 R)
• M4: 2,385,039 km (0.097 R)
• M5: 2,980,289 km (0.11 R)
• M6: 3,650,038 km (0.116 R)
• M7: 4,191,583 km (0.101 R)
• M8: 4,705,451 km (0.087 R)
• M9: 5,891,314 km (0.109 R)
• M10: 7,632,483 km (0.07 R)
• M11: 8,928,151 km (0.046 R)
• M12: 9,781,756 km (0.088 R)
• M13: 11,115,122 km (0.036 R)
• M14: 12,462,101 km (0.074 R)
• M15: 18,473,243 km (0.118 R)
• M16: 19,365,594 km (0.113 R)
• M17: 24,918,218 km (0.068 R)
• M18: 27,479,034 km (0.095 R)
• M19: 29,097,085 km (0.04 R)
• M20: 31,448,614 km (0.082 R)
• M21: 33,018,494 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.8

Radius: 10

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 10.9 AU - 12.52 AU

Year: 14710 Days

Day: 11.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,166,925 km

• M1: 126,560 km (0.111 R)
• M2: 774,917 km (0.115 R)
• M3: 1,113,906 km (0.116 R)
• M4: 2,812,141 km (0.047 R)
• M5: 3,861,570 km (0.086 R)
• M6: 4,523,241 km (0.067 R)
• M7: 7,225,428 km (0.11 R)
• M8: 12,673,632 km (0.086 R)
• M9: 13,322,588 km (0.098 R)
• M10: 14,337,460 km (0.086 R)
• M11: 20,460,202 km (0.034 R)
• M12: 21,809,574 km (0.104 R)
• M13: 24,485,431 km (0.089 R)
• M14: 24,884,858 km (0.108 R)
• M15: 25,594,101 km (0.081 R)
• M16: 28,128,738 km (0.049 R)
• M17: 33,080,428 km (0.114 R)
• M18: 34,434,737 km (0.034 R)
• M19: 35,953,754 km (0.113 R)
• M20: 36,599,717 km (0.101 R)
• M21: 39,261,064 km (0.12 R)
• M22: 42,191,686 km (0.118 R)
• M23: 47,086,678 km (0.098 R)
• M24: 48,015,531 km (0.05 R)
• M25: 57,107,491 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817

Radius: 7.5

Gravity: 14.52 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 10.59 AU - 14.33 AU

Year: 16145 Days

Day: 24.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 51,166,925 km

• M1: 97,388 km (0.117 R)
• M2: 379,380 km (0.109 R)
• M3: 627,413 km (0.086 R)
• M4: 1,279,211 km (0.12 R)
• M5: 1,762,263 km (0.091 R)
• M6: 2,382,645 km (0.049 R)
• M7: 3,037,734 km (0.054 R)
• M8: 3,719,003 km (0.084 R)
• M9: 4,399,075 km (0.104 R)
• M10: 4,803,588 km (0.107 R)
• M11: 5,963,869 km (0.075 R)
• M12: 6,717,842 km (0.089 R)
• M13: 7,346,901 km (0.089 R)
• M14: 8,113,291 km (0.108 R)
• M15: 9,144,619 km (0.065 R)
• M16: 11,033,591 km (0.076 R)
• M17: 12,037,093 km (0.067 R)
• M18: 13,514,522 km (0.075 R)
• M19: 14,369,324 km (0.094 R)
• M20: 15,718,697 km (0.112 R)
• M21: 18,237,028 km (0.066 R)
• M22: 19,906,689 km (0.067 R)
• M23: 20,825,370 km (0.115 R)
• M24: 22,451,200 km (0.081 R)
• M25: 23,244,966 km (0.094 R)
• M26: 23,750,457 km (0.114 R)
• M27: 24,160,056 km (0.111 R)
• M28: 25,310,913 km (0.084 R)
• M29: 30,521,107 km (0.031 R)
• M30: 31,127,278 km (0.074 R)
• M31: 42,396,635 km (0.099 R)
• M32: 54,674,431 km (0.111 R)
• M33: 55,030,774 km (0.12 R)
• M34: 60,373,512 km (0.08 R)
• M35: 60,754,238 km (0.093 R)
• M36: 61,328,395 km (0.055 R)
• M37: 65,048,445 km (0.101 R)
• M38: 66,253,755 km (0.116 R)
• M39: 68,295,617 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174

Radius: 7

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 12.59 AU - 17.93 AU

Year: 21883 Days

Day: 22.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,166,925 km

• M1: 88,562 km (0.028 R)
• M2: 329,265 km (0.116 R)
• M3: 676,631 km (0.111 R)
• M4: 1,623,586 km (0.091 R)
• M5: 2,611,979 km (0.051 R)
• M6: 3,163,845 km (0.096 R)
• M7: 3,556,241 km (0.057 R)
• M8: 4,379,178 km (0.097 R)
• M9: 6,395,758 km (0.097 R)
• M10: 7,227,971 km (0.089 R)
• M11: 9,057,553 km (0.058 R)
• M12: 10,260,918 km (0.115 R)
• M13: 12,379,074 km (0.082 R)
• M14: 18,758,077 km (0.106 R)
• M15: 20,039,832 km (0.047 R)
• M16: 20,869,801 km (0.1 R)
• M17: 22,421,430 km (0.08 R)
• M18: 26,044,241 km (0.025 R)
• M19: 28,045,262 km (0.115 R)
• M20: 28,769,167 km (0.097 R)
• M21: 34,189,397 km (0.07 R)
• M22: 35,733,845 km (0.086 R)
• M23: 37,573,151 km (0.056 R)
• M24: 46,562,188 km (0.037 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 14,650 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit