🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.54 AU - 0.64 AU

Year: 205 Days

Day: 20.5 Hours

Environment

Temp: -5 °C

Axial Tilt: 74.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.82 AU - 1 AU

Year: 393 Days

Day: 14.7 Hours

Environment

Temp: -65 °C

Axial Tilt: 107.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,940,335 km

• M1: 339,438 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.14 AU - 1.54 AU

Year: 703 Days

Day: 46.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.21 AU - 1.97 AU

Year: 908 Days

Day: 42.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.89 AU - 2.21 AU

Year: 1330 Days

Day: 25.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.66 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.9

Radius: 5

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 11.51 AU - 15.01 AU

Year: 21875 Days

Day: 22.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 49,940,335 km

• M1: 402,867 km (0.103 R)
• M2: 554,260 km (0.119 R)
• M3: 653,593 km (0.101 R)
• M4: 688,001 km (0.059 R)
• M5: 869,762 km (0.104 R)
• M6: 986,000 km (0.106 R)
• M7: 1,320,052 km (0.09 R)
• M8: 1,386,473 km (0.116 R)
• M9: 1,663,229 km (0.07 R)
• M10: 1,783,506 km (0.073 R)
• M11: 2,266,557 km (0.108 R)
• M12: 3,527,518 km (0.071 R)
• M13: 3,776,449 km (0.057 R)
• M14: 4,031,064 km (0.114 R)
• M15: 4,423,459 km (0.094 R)
• M16: 4,827,972 km (0.113 R)
• M17: 4,930,895 km (0.1 R)
• M18: 5,314,764 km (0.051 R)
• M19: 5,563,994 km (0.1 R)
• M20: 5,926,619 km (0.03 R)
• M21: 6,036,872 km (0.089 R)
• M22: 6,334,423 km (0.056 R)
• M23: 6,371,972 km (0.068 R)
• M24: 7,811,402 km (0.077 R)
• M25: 8,094,591 km (0.026 R)
• M26: 8,135,431 km (0.075 R)
• M27: 8,629,553 km (0.115 R)
• M28: 8,712,879 km (0.08 R)
• M29: 9,175,885 km (0.083 R)
• M30: 9,388,912 km (0.112 R)
• M31: 9,820,053 km (0.119 R)
• M32: 9,994,335 km (0.108 R)
• M33: 11,977,404 km (0.093 R)
• M34: 12,210,178 km (0.092 R)
• M35: 12,585,968 km (0.057 R)
• M36: 12,633,241 km (0.079 R)
• M37: 12,775,209 km (0.108 R)
• M38: 13,348,618 km (0.042 R)
• M39: 13,638,539 km (0.099 R)
• M40: 13,735,628 km (0.116 R)
• M41: 15,018,579 km (0.091 R)
• M42: 15,420,997 km (0.039 R)
• M43: 15,522,125 km (0.1 R)
• M44: 16,339,379 km (0.089 R)
• M45: 16,494,063 km (0.09 R)
• M46: 17,485,598 km (0.086 R)
• M47: 18,175,094 km (0.108 R)
• M48: 18,281,907 km (0.029 R)
• M49: 18,711,402 km (0.116 R)
• M50: 18,873,417 km (0.072 R)
• M51: 19,144,339 km (0.072 R)
• M52: 19,964,733 km (0.092 R)
• M53: 20,074,987 km (0.11 R)
• M54: 20,130,189 km (0.042 R)
• M55: 21,132,644 km (0.113 R)
• M56: 21,188,743 km (0.098 R)
• M57: 22,379,542 km (0.1 R)
• M58: 23,417,602 km (0.08 R)
• M59: 24,648,194 km (0.11 R)
• M60: 24,707,285 km (0.042 R)
• M61: 25,181,959 km (0.05 R)
• M62: 25,959,719 km (0.096 R)
• M63: 26,988,802 km (0.038 R)
• M64: 27,416,353 km (0.082 R)
• M65: 27,661,544 km (0.063 R)
• M66: 29,399,273 km (0.064 R)
• M67: 29,713,129 km (0.071 R)
• M68: 31,235,736 km (0.054 R)
• M69: 32,264,820 km (0.085 R)
• M70: 32,588,699 km (0.036 R)
• M71: 33,239,600 km (0.075 R)
• M72: 33,566,770 km (0.05 R)
• M73: 34,092,308 km (0.084 R)
• M74: 34,819,353 km (0.031 R)
• M75: 35,551,485 km (0.082 R)
• M76: 36,087,195 km (0.083 R)
• M77: 37,642,115 km (0.079 R)
• M78: 40,746,870 km (0.081 R)
• M79: 41,096,929 km (0.085 R)
• M80: 41,518,346 km (0.115 R)
• M81: 42,223,700 km (0.075 R)
• M82: 42,577,948 km (0.106 R)
• M83: 43,075,510 km (0.1 R)
• M84: 43,146,719 km (0.089 R)
• M85: 43,789,541 km (0.034 R)
• M86: 44,363,697 km (0.073 R)
• M87: 44,651,673 km (0.095 R)
• M88: 46,100,828 km (0.094 R)
• M89: 46,392,544 km (0.08 R)
• M90: 46,758,011 km (0.106 R)
• M91: 47,565,391 km (0.112 R)
• M92: 48,525,510 km (0.054 R)
• M93: 48,970,863 km (0.069 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 13,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit