🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.43 AU - 3.27 AU

Year: 1407 Days

Day: 27.7 Hours

Environment

Temp: -19 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.76 AU - 10.04 AU

Year: 7764 Days

Day: 20.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,287,439 km

• M1: 54,454 km (0.095 R)

Planet 3 - Ice Giant

Semi-Major Axis: 18.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.4

Radius: 3.2

Gravity: 24.45 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 16.22 AU - 20.78 AU

Year: 23269 Days

Day: 17.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,287,439 km

• M1: 40,242 km (0.039 R)
• M2: 165,904 km (0.08 R)
• M3: 871,258 km (0.059 R)
• M4: 979,567 km (0.064 R)
• M5: 1,417,440 km (0.115 R)
• M6: 1,746,256 km (0.09 R)
• M7: 2,123,542 km (0.108 R)
• M8: 2,988,517 km (0.098 R)
• M9: 5,093,508 km (0.083 R)
• M10: 6,608,336 km (0.106 R)
• M11: 6,816,577 km (0.114 R)
• M12: 7,423,196 km (0.093 R)
• M13: 8,842,431 km (0.043 R)
• M14: 9,301,248 km (0.117 R)
• M15: 13,226,546 km (0.077 R)
• M16: 15,366,693 km (0.111 R)
• M17: 16,863,420 km (0.036 R)
• M18: 20,492,515 km (0.106 R)
• M19: 23,053,929 km (0.11 R)
• M20: 23,726,073 km (0.114 R)
• M21: 26,026,439 km (0.1 R)
• M22: 28,143,847 km (0.036 R)
• M23: 29,356,039 km (0.083 R)
• M24: 29,580,137 km (0.113 R)
• M25: 31,413,907 km (0.06 R)
• M26: 33,443,950 km (0.073 R)
• M27: 33,810,914 km (0.094 R)
• M28: 38,561,544 km (0.072 R)
• M29: 44,618,762 km (0.086 R)
• M30: 45,361,814 km (0.112 R)
• M31: 46,112,945 km (0.11 R)
• M32: 48,572,334 km (0.095 R)
• M33: 51,442,220 km (0.106 R)
• M34: 53,084,356 km (0.118 R)
• M35: 56,645,832 km (0.064 R)
• M36: 58,573,401 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.2

Radius: 3.3

Gravity: 14.71 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 15.13 AU - 22.89 AU

Year: 24238 Days

Day: 19.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,287,439 km

• M1: 41,588 km (0.114 R)
• M2: 247,136 km (0.087 R)
• M3: 378,183 km (0.093 R)
• M4: 486,492 km (0.036 R)
• M5: 705,952 km (0.044 R)
• M6: 913,594 km (0.05 R)
• M7: 1,222,514 km (0.081 R)
• M8: 2,060,860 km (0.072 R)
• M9: 4,576,797 km (0.103 R)
• M10: 5,056,707 km (0.085 R)
• M11: 6,617,312 km (0.101 R)
• M12: 7,441,896 km (0.06 R)
• M13: 7,571,148 km (0.095 R)
• M14: 8,613,097 km (0.053 R)
• M15: 8,899,877 km (0.085 R)
• M16: 10,976,744 km (0.045 R)
• M17: 12,916,280 km (0.093 R)
• M18: 13,803,844 km (0.083 R)
• M19: 14,529,244 km (0.096 R)
• M20: 14,731,351 km (0.113 R)
• M21: 16,562,728 km (0.111 R)
• M22: 17,685,460 km (0.12 R)
• M23: 19,915,217 km (0.109 R)
• M24: 21,443,359 km (0.088 R)
• M25: 22,325,089 km (0.104 R)
• M26: 24,444,591 km (0.03 R)
• M27: 25,406,506 km (0.076 R)
• M28: 26,393,403 km (0.101 R)
• M29: 27,610,980 km (0.113 R)
• M30: 30,267,090 km (0.083 R)
• M31: 40,298,375 km (0.041 R)
• M32: 40,564,061 km (0.085 R)
• M33: 51,862,739 km (0.103 R)

Kuiper Belt

Range: 37.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 13,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit