🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.65 AU - 1.05 AU

Year: 294 Days

Day: 24.5 Hours

Environment

Temp: 98 °C

Axial Tilt: 13.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.85 AU - 0.89 AU

Year: 304 Days

Day: 16.9 Hours

Environment

Temp: 32 °C

Axial Tilt: 19.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.34 AU - 1.56 AU

Year: 654 Days

Day: 36.4 Hours

Environment

Temp: -47 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,740,954 km

• M1: 447,298 km (0.095 R)
• M2: 527,332 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.3 AU - 2.38 AU

Year: 1341 Days

Day: 13.6 Hours

Environment

Temp: -89 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.51 AU - 5.15 AU

Year: 3376 Days

Day: 45.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,740,954 km

• M1: 1,456,186 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.1

Radius: 3.9

Gravity: 36.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 11.64 AU - 13.48 AU

Year: 16681 Days

Day: 20.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 62,740,954 km

• M1: 85,271 km (0.115 R)
• M2: 120,875 km (0.064 R)
• M3: 175,329 km (0.105 R)
• M4: 281,543 km (0.048 R)
• M5: 358,137 km (0.117 R)
• M6: 835,205 km (0.058 R)
• M7: 901,626 km (0.077 R)
• M8: 1,467,106 km (0.059 R)
• M9: 2,120,849 km (0.09 R)
• M10: 2,151,217 km (0.108 R)
• M11: 2,335,672 km (0.116 R)
• M12: 2,819,172 km (0.073 R)
• M13: 3,089,346 km (0.085 R)
• M14: 4,174,229 km (0.092 R)
• M15: 4,876,143 km (0.06 R)
• M16: 4,916,235 km (0.046 R)
• M17: 5,530,184 km (0.042 R)
• M18: 5,698,033 km (0.087 R)
• M19: 6,739,534 km (0.119 R)
• M20: 8,264,235 km (0.111 R)
• M21: 8,407,849 km (0.097 R)
• M22: 9,587,129 km (0.072 R)
• M23: 10,453,151 km (0.071 R)
• M24: 10,556,673 km (0.095 R)
• M25: 10,869,332 km (0.084 R)
• M26: 10,974,201 km (0.117 R)
• M27: 12,532,262 km (0.092 R)
• M28: 12,863,173 km (0.098 R)
• M29: 13,929,955 km (0.058 R)
• M30: 14,043,949 km (0.1 R)
• M31: 14,618,255 km (0.111 R)
• M32: 14,734,044 km (0.112 R)
• M33: 16,027,617 km (0.107 R)
• M34: 16,627,654 km (0.115 R)
• M35: 17,664,217 km (0.062 R)
• M36: 18,035,070 km (0.083 R)
• M37: 18,910,368 km (0.087 R)
• M38: 19,289,748 km (0.05 R)
• M39: 20,701,952 km (0.114 R)
• M40: 20,831,952 km (0.089 R)
• M41: 20,897,177 km (0.109 R)
• M42: 20,962,252 km (0.064 R)
• M43: 21,289,273 km (0.105 R)
• M44: 21,551,967 km (0.042 R)
• M45: 22,346,780 km (0.059 R)
• M46: 22,546,942 km (0.12 R)
• M47: 23,624,645 km (0.034 R)
• M48: 23,760,480 km (0.068 R)
• M49: 24,169,630 km (0.112 R)
• M50: 24,718,954 km (0.108 R)
• M51: 26,956,639 km (0.094 R)
• M52: 27,240,875 km (0.034 R)
• M53: 27,812,339 km (0.059 R)
• M54: 28,171,523 km (0.025 R)
• M55: 28,821,825 km (0.08 R)
• M56: 29,623,520 km (0.076 R)
• M57: 29,696,673 km (0.039 R)
• M58: 29,769,976 km (0.1 R)
• M59: 30,284,743 km (0.093 R)
• M60: 30,432,396 km (0.079 R)
• M61: 30,654,249 km (0.116 R)
• M62: 31,547,049 km (0.1 R)
• M63: 31,696,647 km (0.115 R)
• M64: 31,921,642 km (0.096 R)
• M65: 34,430,249 km (0.115 R)
• M66: 35,747,010 km (0.087 R)
• M67: 37,317,189 km (0.081 R)
• M68: 38,190,392 km (0.032 R)
• M69: 38,989,992 km (0.054 R)
• M70: 39,070,177 km (0.074 R)
• M71: 40,280,723 km (0.037 R)
• M72: 40,524,418 km (0.117 R)
• M73: 41,913,883 km (0.108 R)
• M74: 42,904,071 km (0.079 R)
• M75: 42,986,948 km (0.088 R)
• M76: 43,485,259 km (0.078 R)
• M77: 44,069,139 km (0.051 R)
• M78: 44,571,489 km (0.087 R)
• M79: 45,582,172 km (0.085 R)
• M80: 45,751,367 km (0.106 R)
• M81: 46,430,093 km (0.03 R)
• M82: 48,313,680 km (0.1 R)
• M83: 48,486,166 km (0.057 R)
• M84: 49,699,255 km (0.112 R)
• M85: 52,597,863 km (0.103 R)
• M86: 53,576,233 km (0.064 R)
• M87: 54,650,346 km (0.115 R)
• M88: 55,912,503 km (0.044 R)
• M89: 56,184,173 km (0.087 R)
• M90: 56,910,770 km (0.062 R)
• M91: 59,848,423 km (0.09 R)
• M92: 60,126,376 km (0.099 R)
• M93: 60,311,878 km (0.115 R)
• M94: 60,590,578 km (0.075 R)
• M95: 61,149,177 km (0.036 R)
• M96: 61,335,725 km (0.091 R)
• M97: 61,615,922 km (0.025 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 11,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit