🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.42 AU - 0.64 AU

Year: 253 Days

Day: 24 Hours

Environment

Temp: -113 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 10.3

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.83 AU - 1.11 AU

Year: 627 Days

Day: 6.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,754,906 km

• M1: 128,056 km (0.063 R)
• M2: 459,864 km (0.109 R)
• M3: 809,474 km (0.104 R)
• M4: 1,257,520 km (0.076 R)
• M5: 1,626,578 km (0.081 R)
• M6: 2,678,849 km (0.069 R)
• M7: 3,170,876 km (0.111 R)
• M8: 4,181,111 km (0.111 R)
• M9: 4,578,144 km (0.069 R)
• M10: 4,965,752 km (0.081 R)
• M11: 7,423,794 km (0.102 R)
• M12: 7,817,835 km (0.053 R)
• M13: 8,152,934 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.9

Radius: 13.5

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.02 AU - 1.08 AU

Year: 706 Days

Day: 7 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,754,906 km

• M1: 167,998 km (0.064 R)
• M2: 820,395 km (0.095 R)
• M3: 1,314,816 km (0.077 R)
• M4: 1,765,255 km (0.095 R)
• M5: 3,464,537 km (0.1 R)
• M6: 4,314,702 km (0.082 R)
• M7: 5,264,499 km (0.028 R)
• M8: 5,921,383 km (0.088 R)
• M9: 6,449,314 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.8

Radius: 10.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.88 AU - 3.74 AU

Year: 3950 Days

Day: 13.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,754,906 km

• M1: 131,796 km (0.119 R)
• M2: 522,994 km (0.1 R)
• M3: 902,674 km (0.104 R)
• M4: 1,710,053 km (0.056 R)
• M5: 2,518,331 km (0.04 R)
• M6: 3,905,252 km (0.117 R)
• M7: 4,675,831 km (0.061 R)
• M8: 5,520,012 km (0.114 R)
• M9: 6,163,881 km (0.095 R)
• M10: 7,237,695 km (0.058 R)
• M11: 8,903,467 km (0.083 R)
• M12: 9,321,743 km (0.115 R)
• M13: 9,973,540 km (0.112 R)
• M14: 11,247,366 km (0.064 R)
• M15: 12,757,407 km (0.117 R)
• M16: 14,021,958 km (0.05 R)
• M17: 14,541,063 km (0.068 R)
• M18: 14,878,107 km (0.12 R)
• M19: 15,667,834 km (0.043 R)
• M20: 16,904,709 km (0.117 R)
• M21: 18,880,298 km (0.101 R)
• M22: 19,455,353 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.7

Radius: 13.3

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.38 AU - 3.98 AU

Year: 4631 Days

Day: 5.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,754,906 km

• M1: 165,455 km (0.106 R)
• M2: 626,217 km (0.097 R)
• M3: 1,167,312 km (0.067 R)
• M4: 2,562,761 km (0.103 R)
• M5: 3,340,072 km (0.088 R)
• M6: 4,390,847 km (0.067 R)
• M7: 5,308,480 km (0.109 R)
• M8: 8,218,757 km (0.099 R)
• M9: 10,210,503 km (0.099 R)
• M10: 12,158,717 km (0.076 R)
• M11: 13,013,818 km (0.115 R)
• M12: 13,641,381 km (0.032 R)
• M13: 14,234,237 km (0.08 R)
• M14: 15,704,036 km (0.091 R)
• M15: 16,596,837 km (0.064 R)
• M16: 22,382,385 km (0.085 R)
• M17: 25,320,337 km (0.114 R)
• M18: 26,798,065 km (0.109 R)
• M19: 29,033,057 km (0.094 R)
• M20: 29,834,902 km (0.111 R)
• M21: 30,286,837 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.7

Radius: 8.8

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.18 AU - 6.44 AU

Year: 8027 Days

Day: 14.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 78.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,754,906 km

• M1: 109,506 km (0.111 R)
• M2: 442,660 km (0.119 R)
• M3: 920,924 km (0.101 R)
• M4: 1,430,156 km (0.058 R)
• M5: 1,705,416 km (0.049 R)
• M6: 2,421,541 km (0.1 R)
• M7: 2,734,649 km (0.118 R)
• M8: 3,713,318 km (0.115 R)
• M9: 4,581,435 km (0.094 R)
• M10: 5,578,804 km (0.066 R)
• M11: 5,953,098 km (0.051 R)
• M12: 7,217,349 km (0.11 R)
• M13: 8,342,176 km (0.081 R)
• M14: 11,414,617 km (0.113 R)
• M15: 12,936,326 km (0.117 R)
• M16: 14,272,684 km (0.11 R)
• M17: 14,652,663 km (0.118 R)
• M18: 16,864,168 km (0.08 R)
• M19: 18,086,083 km (0.117 R)
• M20: 25,093,248 km (0.086 R)
• M21: 25,926,957 km (0.045 R)
• M22: 26,398,040 km (0.114 R)
• M23: 27,260,472 km (0.105 R)
• M24: 33,053,350 km (0.044 R)
• M25: 33,942,710 km (0.059 R)
• M26: 36,706,381 km (0.099 R)
• M27: 42,156,530 km (0.084 R)
• M28: 42,939,226 km (0.115 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: 488 - 19,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit