🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.98 AU - 1.32 AU

Year: 440 Days

Day: 28.5 Hours

Environment

Temp: 19 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.49 AU - 1.97 AU

Year: 811 Days

Day: 19.4 Hours

Environment

Temp: -38 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,327,199 km

• M1: 82,279 km (0.06 R)
• M2: 1,370,167 km (0.068 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.43 AU - 2.07 AU

Year: 825 Days

Day: 45.9 Hours

Environment

Temp: -51 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.97 AU - 4.25 AU

Year: 2970 Days

Day: 22.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.7

Radius: 3.9

Gravity: 18.39 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 15.01 AU - 20.99 AU

Year: 27221 Days

Day: 15.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 69,327,199 km

• M1: 244,443 km (0.048 R)
• M2: 408,552 km (0.081 R)
• M3: 666,309 km (0.074 R)
• M4: 942,167 km (0.079 R)
• M5: 991,235 km (0.071 R)
• M6: 1,092,214 km (0.083 R)
• M7: 2,680,046 km (0.1 R)
• M8: 3,561,477 km (0.088 R)
• M9: 3,755,655 km (0.094 R)
• M10: 3,953,124 km (0.094 R)
• M11: 3,993,066 km (0.108 R)
• M12: 4,033,009 km (0.111 R)
• M13: 5,163,819 km (0.117 R)
• M14: 5,207,502 km (0.072 R)
• M15: 5,471,991 km (0.087 R)
• M16: 5,786,146 km (0.043 R)
• M17: 6,715,448 km (0.07 R)
• M18: 6,858,913 km (0.12 R)
• M19: 8,656,481 km (0.113 R)
• M20: 9,021,948 km (0.108 R)
• M21: 9,392,502 km (0.063 R)
• M22: 9,499,315 km (0.076 R)
• M23: 9,767,993 km (0.111 R)
• M24: 10,755,937 km (0.114 R)
• M25: 12,064,021 km (0.114 R)
• M26: 12,884,416 km (0.079 R)
• M27: 12,943,657 km (0.08 R)
• M28: 13,904,524 km (0.045 R)
• M29: 14,026,296 km (0.045 R)
• M30: 14,826,047 km (0.096 R)
• M31: 15,012,745 km (0.12 R)
• M32: 15,577,327 km (0.117 R)
• M33: 16,148,941 km (0.095 R)
• M34: 16,276,847 km (0.075 R)
• M35: 16,792,062 km (0.114 R)
• M36: 17,181,914 km (0.108 R)
• M37: 17,378,037 km (0.078 R)
• M38: 18,169,559 km (0.1 R)
• M39: 18,636,753 km (0.118 R)
• M40: 18,703,923 km (0.081 R)
• M41: 18,905,581 km (0.075 R)
• M42: 19,243,223 km (0.096 R)
• M43: 20,199,452 km (0.095 R)
• M44: 22,656,747 km (0.042 R)
• M45: 22,871,719 km (0.06 R)
• M46: 23,448,269 km (0.066 R)
• M47: 23,520,675 km (0.109 R)
• M48: 23,665,785 km (0.105 R)
• M49: 24,322,071 km (0.114 R)
• M50: 24,984,490 km (0.071 R)
• M51: 25,058,391 km (0.118 R)
• M52: 25,206,493 km (0.068 R)
• M53: 25,354,894 km (0.065 R)
• M54: 25,503,595 km (0.031 R)
• M55: 26,251,584 km (0.049 R)
• M56: 26,930,908 km (0.09 R)
• M57: 27,998,887 km (0.105 R)
• M58: 28,383,802 km (0.094 R)
• M59: 28,925,496 km (0.037 R)
• M60: 29,080,779 km (0.08 R)
• M61: 30,412,798 km (0.076 R)
• M62: 31,444,724 km (0.066 R)
• M63: 31,524,610 km (0.068 R)
• M64: 33,461,304 km (0.104 R)
• M65: 33,624,365 km (0.099 R)
• M66: 36,102,753 km (0.107 R)
• M67: 36,270,004 km (0.092 R)
• M68: 37,363,714 km (0.114 R)
• M69: 37,617,731 km (0.071 R)
• M70: 37,957,169 km (0.118 R)
• M71: 38,553,765 km (0.068 R)
• M72: 39,669,765 km (0.111 R)
• M73: 40,015,336 km (0.07 R)
• M74: 40,796,387 km (0.117 R)
• M75: 41,845,666 km (0.047 R)
• M76: 42,461,860 km (0.097 R)
• M77: 45,136,370 km (0.078 R)
• M78: 46,949,347 km (0.085 R)
• M79: 48,140,595 km (0.099 R)
• M80: 48,509,204 km (0.067 R)
• M81: 49,620,267 km (0.09 R)
• M82: 49,713,317 km (0.084 R)
• M83: 50,365,714 km (0.108 R)
• M84: 51,867,676 km (0.046 R)
• M85: 51,962,072 km (0.113 R)
• M86: 52,245,411 km (0.119 R)
• M87: 54,339,482 km (0.117 R)
• M88: 55,782,952 km (0.088 R)
• M89: 57,336,526 km (0.037 R)
• M90: 59,495,672 km (0.072 R)
• M91: 60,485,860 km (0.081 R)
• M92: 60,784,008 km (0.111 R)
• M93: 62,985,192 km (0.084 R)
• M94: 63,085,871 km (0.059 R)
• M95: 66,745,484 km (0.043 R)
• M96: 67,980,713 km (0.079 R)
• M97: 69,119,452 km (0.101 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 19,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit