🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.17 AU - 1.35 AU

Year: 493 Days

Day: 18.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 52,364,419 km

• M1: 298,747 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.15 AU - 1.59 AU

Year: 558 Days

Day: 23.3 Hours

Environment

Temp: 4 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.21 AU - 1.77 AU

Year: 633 Days

Day: 43.7 Hours

Environment

Temp: -5 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.49 AU - 1.65 AU

Year: 685 Days

Day: 36.5 Hours

Environment

Temp: -20 °C

Axial Tilt: 47.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 52,364,419 km

• M1: 163,810 km (0.049 R)
• M2: 269,127 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.58 AU - 2.04 AU

Year: 848 Days

Day: 33.5 Hours

Environment

Temp: -47 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.52 AU - 3.68 AU

Year: 1901 Days

Day: 40.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,364,419 km

• M1: 1,225,506 km (0.116 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.98 AU - 3.72 AU

Year: 2135 Days

Day: 22.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,364,419 km

• M1: 719,267 km (0.103 R)
• M2: 2,891,876 km (0.119 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.76 AU - 5.34 AU

Year: 3380 Days

Day: 20.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.69 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 12.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 14.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 11.61 AU - 14.03 AU

Year: 15985 Days

Day: 10.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 52,364,419 km

• M1: 187,446 km (0.072 R)
• M2: 319,541 km (0.037 R)
• M3: 783,743 km (0.095 R)
• M4: 1,108,071 km (0.107 R)
• M5: 1,408,165 km (0.098 R)
• M6: 1,521,859 km (0.12 R)
• M7: 1,808,189 km (0.06 R)
• M8: 2,244,417 km (0.09 R)
• M9: 2,406,431 km (0.074 R)
• M10: 3,184,041 km (0.069 R)
• M11: 3,648,393 km (0.064 R)
• M12: 3,905,103 km (0.086 R)
• M13: 4,676,130 km (0.073 R)
• M14: 4,780,250 km (0.084 R)
• M15: 5,168,606 km (0.056 R)
• M16: 5,276,317 km (0.091 R)
• M17: 5,641,037 km (0.081 R)
• M18: 6,549,544 km (0.117 R)
• M19: 8,205,892 km (0.12 R)
• M20: 8,757,160 km (0.088 R)
• M21: 10,029,939 km (0.101 R)
• M22: 11,548,058 km (0.073 R)
• M23: 11,926,989 km (0.088 R)
• M24: 12,745,589 km (0.073 R)
• M25: 13,482,957 km (0.106 R)
• M26: 13,831,819 km (0.116 R)
• M27: 14,896,507 km (0.096 R)
• M28: 16,092,542 km (0.087 R)
• M29: 16,569,161 km (0.086 R)
• M30: 16,728,931 km (0.117 R)
• M31: 17,103,973 km (0.069 R)
• M32: 17,319,544 km (0.062 R)
• M33: 17,753,378 km (0.063 R)
• M34: 18,190,802 km (0.086 R)
• M35: 19,636,964 km (0.078 R)
• M36: 20,373,884 km (0.092 R)
• M37: 21,293,312 km (0.076 R)
• M38: 21,467,145 km (0.053 R)
• M39: 21,933,292 km (0.101 R)
• M40: 22,343,788 km (0.108 R)
• M41: 22,520,613 km (0.119 R)
• M42: 23,113,021 km (0.09 R)
• M43: 24,192,519 km (0.11 R)
• M44: 24,495,305 km (0.043 R)
• M45: 24,982,396 km (0.112 R)
• M46: 26,338,201 km (0.078 R)
• M47: 26,587,282 km (0.033 R)
• M48: 27,213,498 km (0.115 R)
• M49: 27,339,310 km (0.105 R)
• M50: 29,572,507 km (0.097 R)
• M51: 29,961,162 km (0.12 R)
• M52: 30,612,661 km (0.11 R)
• M53: 31,466,715 km (0.066 R)
• M54: 31,929,870 km (0.12 R)
• M55: 32,328,698 km (0.074 R)
• M56: 32,796,042 km (0.116 R)
• M57: 33,400,118 km (0.091 R)
• M58: 33,534,906 km (0.088 R)
• M59: 34,075,702 km (0.051 R)
• M60: 35,577,964 km (0.111 R)
• M61: 35,853,374 km (0.103 R)
• M62: 36,545,114 km (0.076 R)
• M63: 37,731,126 km (0.043 R)
• M64: 41,075,536 km (0.106 R)
• M65: 41,292,154 km (0.096 R)
• M66: 41,654,181 km (0.048 R)
• M67: 42,089,959 km (0.114 R)
• M68: 42,454,230 km (0.101 R)
• M69: 42,673,391 km (0.105 R)
• M70: 43,406,421 km (0.119 R)
• M71: 43,848,183 km (0.071 R)
• M72: 44,143,489 km (0.077 R)
• M73: 44,291,442 km (0.091 R)
• M74: 44,587,795 km (0.095 R)
• M75: 44,959,246 km (0.09 R)
• M76: 46,154,533 km (0.091 R)
• M77: 46,680,819 km (0.075 R)
• M78: 47,967,061 km (0.096 R)
• M79: 48,500,078 km (0.119 R)
• M80: 49,035,190 km (0.062 R)
• M81: 50,729,386 km (0.1 R)
• M82: 51,583,590 km (0.043 R)
• M83: 52,051,682 km (0.116 R)

Kuiper Belt

Range: 31.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 13,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit