🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.3

Radius: 10.9

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.66 AU - 0.94 AU

Year: 494 Days

Day: 10 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,153,910 km

• M1: 135,536 km (0.077 R)
• M2: 488,287 km (0.078 R)
• M3: 1,528,741 km (0.109 R)
• M4: 2,194,152 km (0.12 R)
• M5: 2,978,344 km (0.073 R)
• M6: 5,448,205 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.7

Radius: 10.4

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.56 AU - 1.62 AU

Year: 1384 Days

Day: 13.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,153,910 km

• M1: 129,402 km (0.086 R)
• M2: 650,152 km (0.118 R)
• M3: 1,250,788 km (0.063 R)
• M4: 1,612,216 km (0.071 R)
• M5: 2,492,001 km (0.091 R)
• M6: 3,873,089 km (0.08 R)
• M7: 4,208,637 km (0.116 R)
• M8: 4,805,233 km (0.03 R)
• M9: 5,173,693 km (0.088 R)
• M10: 5,581,945 km (0.092 R)
• M11: 6,816,876 km (0.058 R)
• M12: 7,823,520 km (0.032 R)
• M13: 8,557,148 km (0.058 R)
• M14: 9,306,334 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.2

Radius: 8.4

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.23 AU - 2.55 AU

Year: 2550 Days

Day: 13.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,153,910 km

• M1: 104,419 km (0.089 R)
• M2: 397,482 km (0.119 R)
• M3: 715,377 km (0.101 R)
• M4: 1,067,082 km (0.111 R)
• M5: 1,755,232 km (0.081 R)
• M6: 2,022,414 km (0.089 R)
• M7: 2,291,391 km (0.095 R)
• M8: 2,827,849 km (0.099 R)
• M9: 3,813,998 km (0.118 R)
• M10: 4,425,703 km (0.115 R)
• M11: 4,904,716 km (0.098 R)
• M12: 5,371,910 km (0.083 R)
• M13: 5,990,946 km (0.109 R)
• M14: 6,630,178 km (0.04 R)
• M15: 7,257,890 km (0.109 R)
• M16: 7,746,627 km (0.048 R)
• M17: 8,044,476 km (0.116 R)
• M18: 11,419,105 km (0.063 R)
• M19: 12,767,580 km (0.093 R)
• M20: 13,999,070 km (0.068 R)
• M21: 14,441,580 km (0.113 R)
• M22: 15,076,623 km (0.102 R)
• M23: 15,872,783 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92

Radius: 11.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.36 AU - 2.94 AU

Year: 2978 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,153,910 km

• M1: 145,260 km (0.107 R)
• M2: 799,900 km (0.087 R)
• M3: 1,251,536 km (0.094 R)
• M4: 2,000,872 km (0.115 R)
• M5: 2,431,115 km (0.085 R)
• M6: 3,436,861 km (0.032 R)
• M7: 3,817,588 km (0.089 R)
• M8: 4,415,680 km (0.11 R)
• M9: 5,329,574 km (0.09 R)
• M10: 5,927,367 km (0.067 R)
• M11: 7,159,604 km (0.099 R)
• M12: 7,580,872 km (0.072 R)
• M13: 9,611,514 km (0.117 R)
• M14: 10,033,230 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.9

Radius: 9.6

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.67 AU - 3.81 AU

Year: 4993 Days

Day: 10.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,153,910 km

• M1: 119,379 km (0.077 R)
• M2: 474,824 km (0.093 R)
• M3: 801,695 km (0.095 R)
• M4: 1,425,817 km (0.042 R)
• M5: 1,826,740 km (0.113 R)
• M6: 2,361,851 km (0.104 R)
• M7: 3,142,303 km (0.09 R)
• M8: 3,663,353 km (0.115 R)
• M9: 7,404,646 km (0.111 R)
• M10: 7,943,198 km (0.098 R)
• M11: 10,487,110 km (0.1 R)
• M12: 11,517,390 km (0.11 R)
• M13: 12,240,846 km (0.092 R)
• M14: 14,541,811 km (0.063 R)
• M15: 17,466,000 km (0.065 R)
• M16: 18,118,696 km (0.097 R)
• M17: 18,603,542 km (0.098 R)
• M18: 20,303,872 km (0.072 R)
• M19: 21,900,231 km (0.069 R)
• M20: 22,869,026 km (0.09 R)
• M21: 24,011,206 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.9

Radius: 6.6

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.13 AU - 6.41 AU

Year: 10837 Days

Day: 17.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,153,910 km

• M1: 83,625 km (0.073 R)
• M2: 390,002 km (0.104 R)
• M3: 1,116,000 km (0.118 R)
• M4: 1,386,473 km (0.095 R)
• M5: 1,617,751 km (0.109 R)
• M6: 2,601,507 km (0.034 R)
• M7: 3,571,799 km (0.119 R)
• M8: 4,849,813 km (0.075 R)
• M9: 5,512,682 km (0.114 R)
• M10: 9,945,266 km (0.064 R)
• M11: 12,421,859 km (0.116 R)
• M12: 13,541,300 km (0.095 R)
• M13: 16,108,250 km (0.061 R)
• M14: 17,166,056 km (0.051 R)
• M15: 18,059,006 km (0.066 R)
• M16: 22,747,403 km (0.107 R)
• M17: 26,981,622 km (0.028 R)
• M18: 28,946,889 km (0.069 R)
• M19: 31,005,655 km (0.097 R)
• M20: 31,917,005 km (0.098 R)
• M21: 32,327,801 km (0.116 R)
• M22: 38,223,602 km (0.034 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 147 - 13,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit