🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.9

Radius: 12.7

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.6 AU - 0.72 AU

Year: 377 Days

Day: 6 Hours

Environment

Temp: -145 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,953,536 km

• M1: 157,975 km (0.063 R)
• M2: 779,255 km (0.063 R)
• M3: 1,189,004 km (0.1 R)
• M4: 1,698,085 km (0.036 R)
• M5: 2,237,835 km (0.083 R)
• M6: 3,224,133 km (0.071 R)
• M7: 3,892,686 km (0.09 R)
• M8: 5,052,369 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.6

Radius: 14.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.01 AU - 1.09 AU

Year: 756 Days

Day: 13.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 54,953,536 km

• M1: 179,218 km (0.117 R)
• M2: 1,084,136 km (0.101 R)
• M3: 2,182,035 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.7

Radius: 8.5

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.95 AU - 1.43 AU

Year: 912 Days

Day: 6.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,953,536 km

• M1: 105,766 km (0.063 R)
• M2: 457,021 km (0.106 R)
• M3: 856,149 km (0.11 R)
• M4: 1,433,148 km (0.073 R)
• M5: 1,705,565 km (0.112 R)
• M6: 1,973,794 km (0.067 R)
• M7: 2,928,827 km (0.096 R)
• M8: 3,429,980 km (0.106 R)
• M9: 4,003,089 km (0.092 R)
• M10: 6,045,699 km (0.086 R)
• M11: 6,587,393 km (0.082 R)
• M12: 7,232,010 km (0.08 R)
• M13: 7,943,348 km (0.066 R)
• M14: 9,533,424 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.4

Radius: 8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.1 AU - 2.26 AU

Year: 2263 Days

Day: 11.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,953,536 km

• M1: 99,483 km (0.054 R)
• M2: 353,949 km (0.049 R)
• M3: 1,213,388 km (0.096 R)
• M4: 1,711,699 km (0.118 R)
• M5: 2,053,829 km (0.102 R)
• M6: 2,819,621 km (0.069 R)
• M7: 3,885,505 km (0.083 R)
• M8: 4,364,368 km (0.116 R)
• M9: 5,574,615 km (0.109 R)
• M10: 7,180,847 km (0.12 R)
• M11: 8,075,443 km (0.106 R)
• M12: 9,105,424 km (0.049 R)
• M13: 9,950,203 km (0.112 R)
• M14: 10,495,487 km (0.1 R)
• M15: 11,645,596 km (0.079 R)
• M16: 12,328,211 km (0.084 R)
• M17: 12,957,270 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.2

Radius: 10.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.93 AU - 5.01 AU

Year: 7788 Days

Day: 12.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,953,536 km

• M1: 129,253 km (0.116 R)
• M2: 495,917 km (0.061 R)
• M3: 893,099 km (0.098 R)
• M4: 1,493,286 km (0.085 R)
• M5: 2,246,661 km (0.116 R)
• M6: 2,700,541 km (0.115 R)
• M7: 3,173,120 km (0.118 R)
• M8: 7,370,687 km (0.084 R)
• M9: 7,747,823 km (0.114 R)
• M10: 8,999,658 km (0.081 R)
• M11: 9,474,781 km (0.047 R)
• M12: 10,149,767 km (0.073 R)
• M13: 11,098,965 km (0.045 R)
• M14: 11,696,459 km (0.119 R)
• M15: 12,632,493 km (0.098 R)
• M16: 14,244,709 km (0.109 R)
• M17: 16,052,450 km (0.081 R)
• M18: 16,881,521 km (0.119 R)
• M19: 19,540,175 km (0.067 R)
• M20: 19,972,513 km (0.112 R)
• M21: 20,707,487 km (0.092 R)
• M22: 21,081,631 km (0.073 R)
• M23: 24,405,247 km (0.068 R)
• M24: 24,738,850 km (0.085 R)
• M25: 25,672,341 km (0.095 R)
• M26: 27,880,854 km (0.093 R)
• M27: 28,337,277 km (0.105 R)
• M28: 29,265,083 km (0.059 R)
• M29: 31,970,860 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.5

Radius: 5.5

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.34 AU - 6.9 AU

Year: 9365 Days

Day: 24.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,953,536 km

• M1: 69,563 km (0.057 R)
• M2: 661,223 km (0.06 R)
• M3: 840,291 km (0.093 R)
• M4: 1,497,923 km (0.091 R)
• M5: 2,015,981 km (0.059 R)
• M6: 2,234,543 km (0.068 R)
• M7: 3,229,818 km (0.07 R)
• M8: 3,825,367 km (0.077 R)
• M9: 4,596,245 km (0.045 R)
• M10: 4,920,723 km (0.107 R)
• M11: 5,861,394 km (0.068 R)
• M12: 6,440,188 km (0.119 R)
• M13: 6,916,209 km (0.09 R)
• M14: 7,824,118 km (0.041 R)
• M15: 8,092,048 km (0.112 R)
• M16: 8,767,931 km (0.068 R)
• M17: 10,552,335 km (0.048 R)
• M18: 10,738,434 km (0.115 R)
• M19: 11,069,345 km (0.083 R)
• M20: 11,652,477 km (0.045 R)
• M21: 11,951,673 km (0.108 R)
• M22: 12,461,652 km (0.097 R)
• M23: 13,744,604 km (0.027 R)
• M24: 14,532,236 km (0.043 R)
• M25: 15,830,297 km (0.1 R)
• M26: 16,320,978 km (0.111 R)
• M27: 18,452,299 km (0.108 R)
• M28: 21,573,359 km (0.103 R)
• M29: 23,732,655 km (0.055 R)
• M30: 25,527,081 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.2

Radius: 7.4

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.16 AU - 7.52 AU

Year: 11221 Days

Day: 15.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,953,536 km

• M1: 153,039 km (0.109 R)
• M2: 627,264 km (0.103 R)
• M3: 965,355 km (0.051 R)
• M4: 1,373,458 km (0.053 R)
• M5: 1,880,296 km (0.101 R)
• M6: 3,022,625 km (0.066 R)
• M7: 3,297,735 km (0.047 R)
• M8: 3,646,149 km (0.084 R)
• M9: 4,309,615 km (0.058 R)
• M10: 4,956,925 km (0.07 R)
• M11: 5,796,170 km (0.064 R)
• M12: 7,722,092 km (0.076 R)
• M13: 8,304,627 km (0.096 R)
• M14: 18,253,035 km (0.029 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355

Radius: 4.1

Gravity: 21.12 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 7.51 AU - 9.25 AU

Year: 17052 Days

Day: 15.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,953,536 km

• M1: 51,013 km (0.076 R)
• M2: 195,225 km (0.066 R)
• M3: 421,716 km (0.041 R)
• M4: 1,348,924 km (0.113 R)
• M5: 2,042,011 km (0.037 R)
• M6: 2,404,935 km (0.111 R)
• M7: 3,282,776 km (0.103 R)
• M8: 6,199,037 km (0.069 R)
• M9: 8,889,704 km (0.05 R)
• M10: 15,408,730 km (0.083 R)
• M11: 16,563,626 km (0.078 R)
• M12: 24,823,971 km (0.077 R)
• M13: 30,991,892 km (0.116 R)
• M14: 32,475,903 km (0.111 R)
• M15: 37,084,265 km (0.115 R)
• M16: 45,072,492 km (0.09 R)
• M17: 45,361,665 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 11,667 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit