🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.46 AU - 1.6 AU

Year: 695 Days

Day: 12.3 Hours

Environment

Temp: -43 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,716,196 km

• M1: 39,045 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.52 AU - 1.8 AU

Year: 785 Days

Day: 27.4 Hours

Environment

Temp: -47 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,716,196 km

• M1: 371,452 km (0.041 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.82 AU - 2.14 AU

Year: 1023 Days

Day: 13 Hours

Environment

Temp: -63 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,716,196 km

• M1: 914,941 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.66 AU - 2.72 AU

Year: 1620 Days

Day: 14 Hours

Environment

Temp: -99 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,716,196 km

• M1: 30,668 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 14.5

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.05 AU - 6.37 AU

Year: 5009 Days

Day: 8.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,716,196 km

• M1: 180,265 km (0.052 R)
• M2: 748,588 km (0.097 R)
• M3: 1,256,772 km (0.05 R)
• M4: 1,821,354 km (0.059 R)
• M5: 4,661,918 km (0.119 R)
• M6: 5,645,375 km (0.106 R)
• M7: 6,122,143 km (0.042 R)
• M8: 7,747,375 km (0.057 R)
• M9: 8,792,316 km (0.084 R)
• M10: 13,840,945 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.7

Radius: 11.6

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.9 AU - 9.42 AU

Year: 8557 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 70.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,716,196 km

• M1: 144,362 km (0.084 R)
• M2: 618,288 km (0.116 R)
• M3: 1,044,343 km (0.057 R)
• M4: 1,411,306 km (0.064 R)
• M5: 2,164,980 km (0.045 R)
• M6: 3,333,340 km (0.074 R)
• M7: 3,804,872 km (0.085 R)
• M8: 5,070,021 km (0.086 R)
• M9: 5,560,104 km (0.101 R)
• M10: 6,789,051 km (0.068 R)
• M11: 9,826,935 km (0.119 R)
• M12: 11,839,026 km (0.054 R)
• M13: 12,237,704 km (0.094 R)
• M14: 12,942,011 km (0.065 R)
• M15: 14,886,783 km (0.096 R)
• M16: 16,171,081 km (0.095 R)
• M17: 18,121,089 km (0.047 R)
• M18: 18,651,264 km (0.119 R)
• M19: 20,304,171 km (0.026 R)
• M20: 21,291,517 km (0.091 R)
• M21: 22,224,260 km (0.042 R)
• M22: 23,095,817 km (0.027 R)
• M23: 36,470,465 km (0.104 R)
• M24: 37,437,914 km (0.085 R)
• M25: 38,174,833 km (0.063 R)
• M26: 38,671,349 km (0.104 R)
• M27: 39,931,711 km (0.099 R)
• M28: 40,830,046 km (0.107 R)
• M29: 43,606,283 km (0.095 R)
• M30: 44,833,584 km (0.069 R)
• M31: 45,525,474 km (0.109 R)
• M32: 45,943,900 km (0.104 R)
• M33: 48,363,944 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.5

Radius: 13.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.41 AU - 10.57 AU

Year: 11591 Days

Day: 9.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,716,196 km

• M1: 179,218 km (0.064 R)
• M2: 729,589 km (0.093 R)
• M3: 1,189,004 km (0.11 R)
• M4: 1,863,241 km (0.081 R)
• M5: 2,706,225 km (0.113 R)
• M6: 3,552,949 km (0.073 R)
• M7: 4,542,091 km (0.113 R)
• M8: 5,739,771 km (0.118 R)
• M9: 6,989,063 km (0.06 R)
• M10: 8,496,710 km (0.099 R)
• M11: 9,059,348 km (0.04 R)
• M12: 10,307,742 km (0.046 R)
• M13: 12,918,375 km (0.095 R)
• M14: 14,804,355 km (0.118 R)
• M15: 23,019,821 km (0.058 R)
• M16: 28,657,267 km (0.071 R)
• M17: 31,332,676 km (0.052 R)
• M18: 32,573,440 km (0.028 R)
• M19: 33,206,090 km (0.092 R)
• M20: 34,170,398 km (0.09 R)
• M21: 37,175,370 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 14,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit