🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.41 AU - 0.65 AU

Year: 173 Days

Day: 12.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 10.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.56 AU - 0.64 AU

Year: 209 Days

Day: 40.3 Hours

Environment

Temp: -14 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.82 AU - 0.98 AU

Year: 384 Days

Day: 26.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.4

Radius: 7.9

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 15.31 AU - 15.55 AU

Year: 27250 Days

Day: 15.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 79,406,768 km

• M1: 105,317 km (0.118 R)
• M2: 202,556 km (0.103 R)
• M3: 289,771 km (0.083 R)
• M4: 393,143 km (0.1 R)
• M5: 1,994,738 km (0.052 R)
• M6: 2,133,415 km (0.028 R)
• M7: 2,568,745 km (0.083 R)
• M8: 2,913,119 km (0.087 R)
• M9: 3,353,984 km (0.12 R)
• M10: 4,297,199 km (0.119 R)
• M11: 5,608,275 km (0.094 R)
• M12: 5,854,513 km (0.069 R)
• M13: 6,104,491 km (0.092 R)
• M14: 7,032,745 km (0.064 R)
• M15: 7,298,431 km (0.119 R)
• M16: 7,405,693 km (0.079 R)
• M17: 8,393,937 km (0.109 R)
• M18: 10,551,886 km (0.118 R)
• M19: 11,348,794 km (0.078 R)
• M20: 15,132,872 km (0.118 R)
• M21: 15,406,935 km (0.118 R)
• M22: 15,821,321 km (0.107 R)
• M23: 15,890,735 km (0.079 R)
• M24: 17,443,411 km (0.095 R)
• M25: 18,456,488 km (0.048 R)
• M26: 19,712,212 km (0.09 R)
• M27: 19,936,609 km (0.079 R)
• M28: 20,161,903 km (0.105 R)
• M29: 20,312,548 km (0.103 R)
• M30: 20,615,035 km (0.112 R)
• M31: 20,690,881 km (0.076 R)
• M32: 22,227,252 km (0.08 R)
• M33: 23,720,538 km (0.12 R)
• M34: 24,680,358 km (0.056 R)
• M35: 25,408,450 km (0.106 R)
• M36: 32,447,479 km (0.079 R)
• M37: 33,869,257 km (0.119 R)
• M38: 34,138,084 km (0.106 R)
• M39: 36,865,403 km (0.105 R)
• M40: 37,326,763 km (0.097 R)
• M41: 38,441,716 km (0.062 R)
• M42: 39,567,590 km (0.091 R)
• M43: 40,609,090 km (0.091 R)
• M44: 41,276,596 km (0.089 R)
• M45: 42,043,883 km (0.086 R)
• M46: 42,236,416 km (0.118 R)
• M47: 42,429,247 km (0.101 R)
• M48: 43,203,566 km (0.104 R)
• M49: 44,080,359 km (0.063 R)
• M50: 46,745,445 km (0.087 R)
• M51: 46,845,077 km (0.081 R)
• M52: 49,462,292 km (0.117 R)
• M53: 53,059,672 km (0.115 R)
• M54: 54,627,009 km (0.09 R)
• M55: 56,209,605 km (0.069 R)
• M56: 56,421,735 km (0.043 R)
• M57: 57,807,160 km (0.114 R)
• M58: 58,021,235 km (0.089 R)
• M59: 58,128,497 km (0.12 R)
• M60: 59,095,946 km (0.046 R)
• M61: 59,852,014 km (0.047 R)
• M62: 60,394,156 km (0.074 R)
• M63: 63,018,552 km (0.109 R)
• M64: 64,123,033 km (0.088 R)
• M65: 65,680,048 km (0.071 R)
• M66: 67,362,126 km (0.081 R)
• M67: 68,264,949 km (0.077 R)
• M68: 71,112,096 km (0.089 R)
• M69: 71,341,579 km (0.081 R)
• M70: 72,031,375 km (0.079 R)
• M71: 72,954,693 km (0.113 R)
• M72: 74,463,238 km (0.113 R)
• M73: 74,579,625 km (0.073 R)
• M74: 75,864,820 km (0.099 R)
• M75: 76,686,412 km (0.044 R)
• M76: 78,694,015 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 14,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit