🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.76 AU - 1.04 AU

Year: 323 Days

Day: 38.4 Hours

Environment

Temp: 18 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.38 AU - 1.66 AU

Year: 710 Days

Day: 33.7 Hours

Environment

Temp: -44 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,805,365 km

• M1: 1,144,424 km (0.047 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.17 AU - 2.29 AU

Year: 1261 Days

Day: 16.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,805,365 km

• M1: 1,274,424 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.39 AU - 2.81 AU

Year: 1588 Days

Day: 37.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,805,365 km

• M1: 439,519 km (0.099 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.9 AU - 3.46 AU

Year: 2148 Days

Day: 20.5 Hours

Environment

Temp: -113 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,805,365 km

• M1: 128,355 km (0.103 R)

Asteroid Belt

Center: 5.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.7

Radius: 15

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.17 AU - 8.09 AU

Year: 7982 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,805,365 km

• M1: 186,549 km (0.051 R)
• M2: 850,015 km (0.036 R)
• M3: 1,400,236 km (0.065 R)
• M4: 1,907,971 km (0.08 R)
• M5: 2,590,736 km (0.098 R)
• M6: 3,076,181 km (0.089 R)
• M7: 3,909,292 km (0.108 R)
• M8: 7,798,387 km (0.1 R)
• M9: 8,434,478 km (0.111 R)
• M10: 12,199,557 km (0.084 R)
• M11: 12,904,163 km (0.095 R)
• M12: 13,371,207 km (0.118 R)
• M13: 14,174,997 km (0.099 R)
• M14: 14,784,758 km (0.101 R)
• M15: 18,620,597 km (0.094 R)
• M16: 19,555,583 km (0.099 R)
• M17: 23,842,909 km (0.109 R)
• M18: 25,999,512 km (0.109 R)
• M19: 28,196,506 km (0.072 R)
• M20: 30,059,299 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.3

Radius: 5.9

Gravity: 18.11 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 13.68 AU - 14.1 AU

Year: 19607 Days

Day: 23.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 42,805,365 km

• M1: 76,295 km (0.116 R)
• M2: 701,913 km (0.092 R)
• M3: 949,498 km (0.116 R)
• M4: 1,199,775 km (0.098 R)
• M5: 1,477,728 km (0.08 R)
• M6: 2,004,163 km (0.084 R)
• M7: 2,966,376 km (0.117 R)
• M8: 4,140,420 km (0.084 R)
• M9: 4,992,231 km (0.109 R)
• M10: 5,556,364 km (0.115 R)
• M11: 9,469,695 km (0.07 R)
• M12: 12,278,395 km (0.077 R)
• M13: 13,232,530 km (0.103 R)
• M14: 14,016,273 km (0.026 R)
• M15: 14,755,137 km (0.104 R)
• M16: 16,149,988 km (0.067 R)
• M17: 16,797,298 km (0.107 R)
• M18: 17,044,433 km (0.09 R)
• M19: 17,293,963 km (0.076 R)
• M20: 19,379,207 km (0.073 R)
• M21: 19,742,281 km (0.088 R)
• M22: 20,202,594 km (0.088 R)
• M23: 23,730,112 km (0.047 R)
• M24: 24,041,275 km (0.113 R)
• M25: 24,778,195 km (0.115 R)
• M26: 26,630,366 km (0.113 R)
• M27: 27,876,815 km (0.043 R)
• M28: 30,607,724 km (0.11 R)
• M29: 32,227,570 km (0.077 R)
• M30: 38,847,276 km (0.095 R)
• M31: 40,301,068 km (0.095 R)
• M32: 45,038,234 km (0.113 R)
• M33: 51,681,427 km (0.047 R)
• M34: 52,907,232 km (0.059 R)
• M35: 60,286,745 km (0.071 R)
• M36: 60,479,427 km (0.037 R)
• M37: 65,637,412 km (0.076 R)
• M38: 68,742,615 km (0.087 R)
• M39: 71,511,821 km (0.032 R)
• M40: 72,378,591 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459

Radius: 3.4

Gravity: 39.71 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 11.17 AU - 18.39 AU

Year: 21521 Days

Day: 24.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 42,805,365 km

• M1: 42,785 km (0.103 R)
• M2: 188,793 km (0.106 R)
• M3: 385,514 km (0.062 R)
• M4: 521,498 km (0.108 R)
• M5: 881,431 km (0.097 R)
• M6: 1,008,290 km (0.064 R)
• M7: 1,592,619 km (0.064 R)
• M8: 1,947,764 km (0.114 R)
• M9: 2,289,296 km (0.1 R)
• M10: 2,553,336 km (0.085 R)
• M11: 2,788,654 km (0.066 R)
• M12: 3,302,373 km (0.062 R)
• M13: 3,967,934 km (0.079 R)
• M14: 4,753,173 km (0.087 R)
• M15: 5,444,166 km (0.108 R)
• M16: 5,833,569 km (0.046 R)
• M17: 7,296,786 km (0.112 R)
• M18: 7,866,903 km (0.091 R)
• M19: 9,924,024 km (0.096 R)
• M20: 10,923,188 km (0.084 R)
• M21: 13,888,218 km (0.101 R)
• M22: 15,059,868 km (0.047 R)
• M23: 16,295,696 km (0.108 R)
• M24: 18,445,417 km (0.087 R)
• M25: 19,948,876 km (0.115 R)
• M26: 23,906,637 km (0.102 R)
• M27: 24,318,630 km (0.119 R)
• M28: 24,735,410 km (0.072 R)
• M29: 26,122,780 km (0.094 R)
• M30: 37,729,331 km (0.097 R)
• M31: 39,277,819 km (0.088 R)
• M32: 46,213,625 km (0.114 R)
• M33: 46,692,338 km (0.098 R)
• M34: 50,811,216 km (0.084 R)
• M35: 59,761,956 km (0.068 R)
• M36: 62,249,918 km (0.088 R)
• M37: 69,289,695 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.1

Radius: 3.3

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 17.14 AU - 20.48 AU

Year: 30898 Days

Day: 15.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,805,365 km

• M1: 40,990 km (0.11 R)
• M2: 329,714 km (0.054 R)
• M3: 521,648 km (0.111 R)
• M4: 632,201 km (0.099 R)
• M5: 959,820 km (0.099 R)
• M6: 1,429,258 km (0.094 R)
• M7: 1,858,903 km (0.119 R)
• M8: 2,839,966 km (0.091 R)
• M9: 3,370,440 km (0.097 R)
• M10: 3,585,412 km (0.098 R)
• M11: 5,259,263 km (0.08 R)
• M12: 6,264,560 km (0.114 R)
• M13: 6,589,487 km (0.101 R)
• M14: 11,948,532 km (0.089 R)
• M15: 15,936,362 km (0.06 R)
• M16: 27,431,762 km (0.036 R)
• M17: 27,718,690 km (0.115 R)
• M18: 29,783,889 km (0.111 R)
• M19: 32,801,128 km (0.046 R)
• M20: 36,822,020 km (0.12 R)
• M21: 37,994,568 km (0.077 R)
• M22: 40,290,447 km (0.105 R)
• M23: 41,284,225 km (0.109 R)
• M24: 41,409,588 km (0.049 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: 356 - 14,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit