🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.58 AU - 0.64 AU

Year: 180 Days

Day: 12.3 Hours

Environment

Temp: 187 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 0.91 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.95 AU - 1.47 AU

Year: 504 Days

Day: 32.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 1.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 73,149,229 km

• M1: 88,113 km (0.055 R)
• M2: 204,650 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.71 AU - 3.19 AU

Year: 1919 Days

Day: 34.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.15 AU - 3.79 AU

Year: 2448 Days

Day: 37.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,149,229 km

• M1: 2,242,472 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.24 AU - 3.82 AU

Year: 2512 Days

Day: 14.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 126.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.5

Radius: 14.2

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.16 AU - 4.34 AU

Year: 3318 Days

Day: 14.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,149,229 km

• M1: 176,525 km (0.089 R)
• M2: 626,965 km (0.051 R)
• M3: 1,157,738 km (0.034 R)
• M4: 1,782,758 km (0.12 R)
• M5: 2,250,251 km (0.106 R)
• M6: 2,747,066 km (0.102 R)
• M7: 3,302,373 km (0.107 R)
• M8: 4,106,312 km (0.072 R)
• M9: 5,456,433 km (0.065 R)
• M10: 6,198,887 km (0.113 R)
• M11: 7,033,493 km (0.092 R)
• M12: 8,987,541 km (0.101 R)
• M13: 9,766,497 km (0.03 R)
• M14: 10,488,606 km (0.046 R)
• M15: 11,856,529 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.8

Radius: 10.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.8 AU - 7.92 AU

Year: 6075 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,149,229 km

• M1: 130,001 km (0.107 R)
• M2: 470,485 km (0.071 R)
• M3: 983,456 km (0.049 R)
• M4: 1,319,304 km (0.113 R)
• M5: 1,808,489 km (0.078 R)
• M6: 2,208,214 km (0.062 R)
• M7: 2,638,009 km (0.107 R)
• M8: 2,996,595 km (0.063 R)
• M9: 5,423,970 km (0.066 R)
• M10: 5,784,351 km (0.093 R)
• M11: 7,131,181 km (0.112 R)
• M12: 8,325,720 km (0.03 R)
• M13: 9,510,535 km (0.037 R)
• M14: 9,858,948 km (0.113 R)
• M15: 12,090,500 km (0.112 R)
• M16: 15,869,193 km (0.108 R)
• M17: 17,013,167 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.1

Radius: 3.2

Gravity: 53.04 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 12.87 AU - 16.37 AU

Year: 21172 Days

Day: 17.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 73,149,229 km

• M1: 39,943 km (0.044 R)
• M2: 139,724 km (0.054 R)
• M3: 244,742 km (0.04 R)
• M4: 425,008 km (0.065 R)
• M5: 669,600 km (0.102 R)
• M6: 1,025,344 km (0.1 R)
• M7: 1,168,509 km (0.114 R)
• M8: 2,033,484 km (0.06 R)
• M9: 2,862,854 km (0.083 R)
• M10: 4,051,410 km (0.116 R)
• M11: 4,511,423 km (0.084 R)
• M12: 5,612,613 km (0.114 R)
• M13: 6,701,835 km (0.097 R)
• M14: 7,343,161 km (0.098 R)
• M15: 8,483,994 km (0.106 R)
• M16: 10,558,618 km (0.108 R)
• M17: 10,924,085 km (0.066 R)
• M18: 11,235,099 km (0.07 R)
• M19: 14,378,300 km (0.111 R)
• M20: 14,978,786 km (0.099 R)
• M21: 17,379,682 km (0.115 R)
• M22: 18,495,234 km (0.108 R)
• M23: 19,025,857 km (0.095 R)
• M24: 22,028,436 km (0.065 R)
• M25: 23,744,922 km (0.07 R)
• M26: 25,440,165 km (0.057 R)
• M27: 28,247,519 km (0.095 R)
• M28: 29,425,901 km (0.082 R)
• M29: 30,514,226 km (0.065 R)
• M30: 31,130,270 km (0.092 R)
• M31: 32,770,610 km (0.081 R)
• M32: 33,157,321 km (0.08 R)
• M33: 33,939,568 km (0.076 R)
• M34: 36,774,298 km (0.073 R)
• M35: 39,037,265 km (0.039 R)
• M36: 45,255,749 km (0.115 R)
• M37: 48,849,689 km (0.076 R)
• M38: 51,232,932 km (0.037 R)
• M39: 61,151,720 km (0.105 R)
• M40: 61,346,646 km (0.112 R)
• M41: 65,127,433 km (0.08 R)
• M42: 66,971,376 km (0.033 R)
• M43: 72,930,159 km (0.074 R)
• M44: 73,149,170 km (0.093 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 13,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit