🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.4 AU - 2.66 AU

Year: 1541 Days

Day: 33.9 Hours

Environment

Temp: -102 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,842,529 km

• M1: 1,360,742 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.1 AU - 3.74 AU

Year: 2422 Days

Day: 14.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.8

Radius: 11.6

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.92 AU - 6.44 AU

Year: 5183 Days

Day: 9.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,842,529 km

• M1: 144,212 km (0.078 R)
• M2: 629,657 km (0.042 R)
• M3: 1,006,046 km (0.109 R)
• M4: 2,038,869 km (0.045 R)
• M5: 3,463,789 km (0.09 R)
• M6: 3,880,718 km (0.053 R)
• M7: 5,415,593 km (0.106 R)
• M8: 5,896,849 km (0.108 R)
• M9: 9,001,154 km (0.091 R)
• M10: 13,012,172 km (0.093 R)
• M11: 14,527,449 km (0.079 R)
• M12: 15,144,540 km (0.102 R)
• M13: 17,500,258 km (0.107 R)
• M14: 18,022,654 km (0.091 R)
• M15: 18,735,338 km (0.1 R)
• M16: 19,590,440 km (0.118 R)
• M17: 22,583,893 km (0.047 R)
• M18: 23,203,378 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.8

Radius: 3.4

Gravity: 24.98 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 17.16 AU - 20.48 AU

Year: 31261 Days

Day: 19.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,842,529 km

• M1: 42,785 km (0.059 R)
• M2: 339,438 km (0.082 R)
• M3: 460,911 km (0.074 R)
• M4: 638,484 km (0.117 R)
• M5: 940,671 km (0.063 R)
• M6: 1,392,158 km (0.064 R)
• M7: 1,674,599 km (0.045 R)
• M8: 2,330,286 km (0.071 R)
• M9: 2,535,385 km (0.106 R)
• M10: 3,034,294 km (0.071 R)
• M11: 4,223,297 km (0.076 R)
• M12: 4,739,560 km (0.088 R)
• M13: 5,611,267 km (0.082 R)
• M14: 6,539,970 km (0.114 R)
• M15: 6,855,771 km (0.095 R)
• M16: 8,273,061 km (0.084 R)
• M17: 10,903,441 km (0.086 R)
• M18: 11,219,092 km (0.079 R)
• M19: 12,819,939 km (0.081 R)
• M20: 14,719,084 km (0.104 R)
• M21: 18,345,935 km (0.1 R)
• M22: 20,939,513 km (0.075 R)
• M23: 22,222,614 km (0.101 R)
• M24: 22,424,571 km (0.11 R)
• M25: 23,348,488 km (0.073 R)
• M26: 31,670,916 km (0.086 R)
• M27: 32,183,888 km (0.076 R)
• M28: 33,889,004 km (0.094 R)
• M29: 34,425,462 km (0.052 R)
• M30: 34,560,549 km (0.093 R)
• M31: 43,166,765 km (0.093 R)
• M32: 46,709,542 km (0.105 R)
• M33: 52,379,450 km (0.103 R)
• M34: 56,591,379 km (0.069 R)
• M35: 62,617,630 km (0.112 R)
• M36: 63,425,009 km (0.092 R)
• M37: 64,035,069 km (0.079 R)
• M38: 64,239,420 km (0.084 R)
• M39: 76,842,592 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 19,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit