🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.3

Radius: 14.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.49 AU - 0.53 AU

Year: 243 Days

Day: 11.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,356,793 km

• M1: 184,005 km (0.058 R)
• M2: 645,365 km (0.1 R)
• M3: 1,106,426 km (0.049 R)
• M4: 1,757,775 km (0.1 R)
• M5: 2,221,080 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859

Radius: 11.2

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.44 AU - 0.62 AU

Year: 257 Days

Day: 5.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,356,793 km

• M1: 139,276 km (0.086 R)
• M2: 529,277 km (0.056 R)
• M3: 943,514 km (0.08 R)
• M4: 1,411,606 km (0.065 R)
• M5: 2,187,270 km (0.087 R)
• M6: 2,617,514 km (0.103 R)
• M7: 3,279,634 km (0.073 R)
• M8: 4,362,573 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.4

Radius: 13.3

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.77 AU - 1.99 AU

Year: 1719 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,356,793 km

• M1: 169,494 km (0.105 R)
• M2: 869,463 km (0.041 R)
• M3: 1,388,867 km (0.089 R)
• M4: 2,011,343 km (0.093 R)
• M5: 2,630,679 km (0.107 R)
• M6: 3,148,886 km (0.073 R)
• M7: 4,083,274 km (0.114 R)
• M8: 4,513,817 km (0.054 R)
• M9: 5,702,072 km (0.064 R)
• M10: 6,447,070 km (0.041 R)
• M11: 8,626,860 km (0.092 R)
• M12: 10,270,193 km (0.107 R)
• M13: 11,260,381 km (0.049 R)
• M14: 12,393,735 km (0.115 R)
• M15: 14,168,414 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.2

Radius: 13.2

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.27 AU - 7.11 AU

Year: 9051 Days

Day: 11.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,356,793 km

• M1: 164,258 km (0.074 R)
• M2: 917,035 km (0.074 R)
• M3: 1,550,881 km (0.115 R)
• M4: 2,316,972 km (0.093 R)
• M5: 3,206,182 km (0.045 R)
• M6: 3,821,029 km (0.118 R)
• M7: 5,127,018 km (0.106 R)
• M8: 5,760,565 km (0.031 R)
• M9: 7,471,067 km (0.063 R)
• M10: 7,936,466 km (0.099 R)
• M11: 8,376,284 km (0.091 R)
• M12: 10,932,762 km (0.062 R)
• M13: 11,984,884 km (0.09 R)
• M14: 14,162,131 km (0.056 R)
• M15: 15,412,021 km (0.037 R)
• M16: 16,168,538 km (0.032 R)
• M17: 17,905,070 km (0.092 R)
• M18: 19,286,905 km (0.091 R)
• M19: 24,132,381 km (0.114 R)
• M20: 26,105,277 km (0.112 R)
• M21: 27,981,085 km (0.115 R)
• M22: 29,945,155 km (0.11 R)
• M23: 30,583,938 km (0.098 R)
• M24: 33,004,731 km (0.066 R)
• M25: 38,850,866 km (0.111 R)
• M26: 40,381,103 km (0.052 R)
• M27: 41,292,154 km (0.114 R)
• M28: 42,083,826 km (0.079 R)
• M29: 44,107,586 km (0.103 R)
• M30: 45,492,264 km (0.088 R)
• M31: 46,054,153 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.8

Radius: 5.4

Gravity: 15.77 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.17 AU - 7.67 AU

Year: 10848 Days

Day: 19.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,356,793 km

• M1: 67,169 km (0.034 R)
• M2: 453,880 km (0.109 R)
• M3: 663,616 km (0.092 R)
• M4: 967,300 km (0.056 R)
• M5: 1,852,470 km (0.086 R)
• M6: 2,097,063 km (0.1 R)
• M7: 2,962,786 km (0.088 R)
• M8: 3,206,331 km (0.11 R)
• M9: 4,631,101 km (0.084 R)
• M10: 4,838,594 km (0.081 R)
• M11: 5,052,070 km (0.034 R)
• M12: 5,597,204 km (0.096 R)
• M13: 5,866,929 km (0.111 R)
• M14: 6,690,914 km (0.081 R)
• M15: 7,347,649 km (0.065 R)
• M16: 7,712,369 km (0.076 R)
• M17: 8,924,261 km (0.044 R)
• M18: 10,458,686 km (0.067 R)
• M19: 10,920,046 km (0.116 R)
• M20: 13,136,189 km (0.084 R)
• M21: 14,983,124 km (0.101 R)
• M22: 15,176,854 km (0.081 R)
• M23: 15,503,276 km (0.117 R)
• M24: 15,968,376 km (0.071 R)
• M25: 16,374,385 km (0.095 R)
• M26: 21,468,042 km (0.071 R)
• M27: 24,549,459 km (0.118 R)
• M28: 25,730,983 km (0.085 R)
• M29: 28,700,351 km (0.052 R)
• M30: 29,300,389 km (0.063 R)
• M31: 32,967,930 km (0.115 R)
• M32: 33,626,011 km (0.113 R)
• M33: 36,695,610 km (0.099 R)
• M34: 37,639,871 km (0.032 R)
• M35: 41,198,356 km (0.072 R)
• M36: 41,451,775 km (0.114 R)
• M37: 41,706,241 km (0.088 R)
• M38: 42,734,277 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.4

Radius: 6.4

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.34 AU - 8.2 AU

Year: 13072 Days

Day: 21.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,356,793 km

• M1: 82,279 km (0.077 R)
• M2: 308,022 km (0.057 R)
• M3: 527,183 km (0.092 R)
• M4: 846,126 km (0.087 R)
• M5: 1,162,675 km (0.101 R)
• M6: 1,463,067 km (0.066 R)
• M7: 1,906,924 km (0.076 R)
• M8: 2,511,748 km (0.12 R)
• M9: 3,282,476 km (0.118 R)
• M10: 3,963,296 km (0.116 R)
• M11: 4,255,162 km (0.106 R)
• M12: 5,311,772 km (0.087 R)
• M13: 5,799,909 km (0.099 R)
• M14: 6,496,886 km (0.11 R)
• M15: 6,978,890 km (0.097 R)
• M16: 8,700,014 km (0.117 R)
• M17: 9,945,117 km (0.032 R)
• M18: 10,385,234 km (0.086 R)
• M19: 10,736,639 km (0.106 R)
• M20: 15,141,249 km (0.103 R)
• M21: 15,723,783 km (0.046 R)
• M22: 16,254,108 km (0.087 R)
• M23: 17,420,373 km (0.117 R)
• M24: 23,407,429 km (0.077 R)
• M25: 23,751,205 km (0.118 R)
• M26: 24,361,265 km (0.092 R)
• M27: 29,422,012 km (0.083 R)
• M28: 31,253,239 km (0.087 R)
• M29: 32,302,818 km (0.112 R)
• M30: 32,515,546 km (0.03 R)
• M31: 35,705,571 km (0.057 R)
• M32: 36,968,177 km (0.106 R)
• M33: 38,260,403 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.5

Radius: 6.8

Gravity: 21.23 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.88 AU - 9.18 AU

Year: 15174 Days

Day: 24.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,356,793 km

• M1: 95,743 km (0.089 R)
• M2: 325,076 km (0.107 R)
• M3: 604,974 km (0.069 R)
• M4: 864,376 km (0.09 R)
• M5: 1,487,452 km (0.108 R)
• M6: 1,822,850 km (0.058 R)
• M7: 4,312,308 km (0.098 R)
• M8: 4,680,319 km (0.062 R)
• M9: 6,666,231 km (0.1 R)
• M10: 7,158,557 km (0.053 R)
• M11: 9,706,658 km (0.116 R)
• M12: 11,307,355 km (0.067 R)
• M13: 12,334,793 km (0.119 R)
• M14: 17,401,673 km (0.09 R)
• M15: 18,161,780 km (0.037 R)
• M16: 19,567,551 km (0.034 R)
• M17: 22,101,739 km (0.072 R)
• M18: 23,804,911 km (0.099 R)
• M19: 25,271,718 km (0.115 R)
• M20: 26,245,899 km (0.093 R)
• M21: 26,686,764 km (0.097 R)
• M22: 30,636,148 km (0.118 R)
• M23: 31,371,421 km (0.085 R)
• M24: 32,496,098 km (0.07 R)
• M25: 44,631,627 km (0.098 R)
• M26: 49,654,824 km (0.1 R)
• M27: 52,041,958 km (0.092 R)
• M28: 54,862,626 km (0.049 R)
• M29: 58,905,059 km (0.102 R)
• M30: 64,531,136 km (0.043 R)
• M31: 70,930,035 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 16,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit