🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.54 AU - 0.56 AU

Year: 263 Days

Day: 30.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,094,899 km

• M1: 46,675 km (0.072 R)
• M2: 596,596 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.1

Radius: 13.2

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.67 AU - 0.75 AU

Year: 386 Days

Day: 7.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,094,899 km

• M1: 165,156 km (0.05 R)
• M2: 818,450 km (0.12 R)
• M3: 1,355,058 km (0.065 R)
• M4: 2,186,522 km (0.052 R)
• M5: 2,772,348 km (0.063 R)
• M6: 3,547,265 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.5

Radius: 14.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.86 AU - 1.16 AU

Year: 655 Days

Day: 9.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,094,899 km

• M1: 180,565 km (0.096 R)
• M2: 754,572 km (0.116 R)
• M3: 1,392,906 km (0.095 R)
• M4: 2,072,678 km (0.103 R)
• M5: 2,563,060 km (0.101 R)
• M6: 3,065,560 km (0.078 R)
• M7: 3,937,865 km (0.083 R)
• M8: 4,554,657 km (0.103 R)
• M9: 5,078,399 km (0.118 R)

Asteroid Belt

Center: 1.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.4

Radius: 14.4

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.43 AU - 2.55 AU

Year: 2537 Days

Day: 11.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,094,899 km

• M1: 179,069 km (0.111 R)
• M2: 930,648 km (0.06 R)
• M3: 1,462,469 km (0.096 R)
• M4: 2,073,576 km (0.06 R)
• M5: 2,837,572 km (0.107 R)
• M6: 3,470,521 km (0.078 R)
• M7: 4,115,737 km (0.05 R)
• M8: 4,640,526 km (0.113 R)
• M9: 5,305,189 km (0.119 R)
• M10: 6,999,086 km (0.083 R)
• M11: 7,907,295 km (0.1 R)
• M12: 8,655,733 km (0.1 R)
• M13: 10,069,732 km (0.047 R)
• M14: 12,645,508 km (0.101 R)
• M15: 13,853,960 km (0.115 R)
• M16: 14,557,967 km (0.095 R)
• M17: 15,040,420 km (0.04 R)
• M18: 15,583,461 km (0.073 R)
• M19: 17,506,840 km (0.114 R)
• M20: 18,385,878 km (0.089 R)
• M21: 18,893,164 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.4

Radius: 8.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.67 AU - 3.35 AU

Year: 3372 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,094,899 km

• M1: 108,159 km (0.115 R)
• M2: 465,848 km (0.054 R)
• M3: 1,298,061 km (0.062 R)
• M4: 2,236,039 km (0.108 R)
• M5: 2,761,277 km (0.102 R)
• M6: 4,904,417 km (0.075 R)
• M7: 6,943,884 km (0.092 R)
• M8: 7,940,655 km (0.106 R)
• M9: 12,125,057 km (0.044 R)
• M10: 13,142,921 km (0.106 R)
• M11: 15,769,560 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455

Radius: 11.2

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.73 AU - 6.03 AU

Year: 8057 Days

Day: 11.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,094,899 km

• M1: 139,425 km (0.047 R)
• M2: 555,756 km (0.093 R)
• M3: 931,247 km (0.098 R)
• M4: 1,321,398 km (0.085 R)
• M5: 1,685,968 km (0.097 R)
• M6: 2,465,373 km (0.107 R)
• M7: 3,426,539 km (0.119 R)
• M8: 4,153,734 km (0.09 R)
• M9: 5,009,434 km (0.069 R)
• M10: 5,359,344 km (0.103 R)
• M11: 6,043,455 km (0.068 R)
• M12: 6,576,771 km (0.084 R)
• M13: 7,398,363 km (0.04 R)
• M14: 9,954,841 km (0.085 R)
• M15: 10,604,993 km (0.104 R)
• M16: 11,332,637 km (0.033 R)
• M17: 13,491,933 km (0.083 R)
• M18: 14,876,162 km (0.119 R)
• M19: 15,541,274 km (0.102 R)
• M20: 17,324,181 km (0.105 R)
• M21: 18,470,849 km (0.074 R)
• M22: 23,325,300 km (0.059 R)
• M23: 32,657,365 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.1

Radius: 4.9

Gravity: 21.91 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.57 AU - 9.31 AU

Year: 14446 Days

Day: 22.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,094,899 km

• M1: 61,784 km (0.115 R)
• M2: 331,359 km (0.113 R)
• M3: 816,356 km (0.047 R)
• M4: 1,358,049 km (0.052 R)
• M5: 1,698,085 km (0.095 R)
• M6: 2,186,522 km (0.064 R)
• M7: 2,653,567 km (0.057 R)
• M8: 4,737,166 km (0.107 R)
• M9: 6,028,345 km (0.12 R)
• M10: 6,653,216 km (0.052 R)
• M11: 8,123,015 km (0.06 R)
• M12: 10,329,135 km (0.097 R)
• M13: 11,686,586 km (0.118 R)
• M14: 20,888,500 km (0.073 R)
• M15: 21,859,091 km (0.114 R)
• M16: 30,843,341 km (0.102 R)
• M17: 32,332,588 km (0.076 R)
• M18: 35,950,911 km (0.117 R)
• M19: 39,964,024 km (0.119 R)
• M20: 43,268,491 km (0.108 R)
• M21: 51,201,666 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 16,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit