🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.7

Radius: 10.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.85 AU - 0.91 AU

Year: 550 Days

Day: 6.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,240,873 km

• M1: 125,662 km (0.083 R)
• M2: 453,431 km (0.089 R)
• M3: 963,410 km (0.05 R)
• M4: 1,432,250 km (0.111 R)
• M5: 1,749,397 km (0.117 R)
• M6: 2,298,122 km (0.115 R)
• M7: 2,836,675 km (0.084 R)
• M8: 3,825,367 km (0.106 R)
• M9: 4,668,202 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.1

Radius: 8.5

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.73 AU - 2.73 AU

Year: 2221 Days

Day: 13.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,240,873 km

• M1: 105,766 km (0.041 R)
• M2: 371,452 km (0.119 R)
• M3: 1,576,313 km (0.051 R)
• M4: 1,962,126 km (0.088 R)
• M5: 2,382,047 km (0.111 R)
• M6: 2,689,321 km (0.042 R)
• M7: 3,157,562 km (0.074 R)
• M8: 3,951,029 km (0.045 R)
• M9: 4,278,050 km (0.074 R)
• M10: 4,557,050 km (0.073 R)
• M11: 6,139,945 km (0.116 R)
• M12: 7,099,915 km (0.093 R)
• M13: 8,222,049 km (0.109 R)
• M14: 8,688,944 km (0.115 R)
• M15: 9,970,848 km (0.106 R)
• M16: 10,501,920 km (0.1 R)
• M17: 14,617,058 km (0.06 R)
• M18: 15,703,588 km (0.074 R)
• M19: 17,379,084 km (0.11 R)
• M20: 18,037,015 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.2

Radius: 12.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.06 AU - 2.82 AU

Year: 2542 Days

Day: 10.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,240,873 km

• M1: 155,432 km (0.083 R)
• M2: 710,141 km (0.088 R)
• M3: 1,238,970 km (0.098 R)
• M4: 2,406,132 km (0.116 R)
• M5: 2,923,741 km (0.035 R)
• M6: 3,766,126 km (0.117 R)
• M7: 4,304,978 km (0.069 R)
• M8: 4,983,554 km (0.113 R)
• M9: 5,930,808 km (0.096 R)
• M10: 7,079,270 km (0.062 R)
• M11: 7,781,932 km (0.089 R)
• M12: 8,181,657 km (0.094 R)
• M13: 8,922,466 km (0.081 R)
• M14: 10,171,608 km (0.118 R)
• M15: 14,944,827 km (0.071 R)
• M16: 16,101,817 km (0.072 R)
• M17: 16,803,730 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.6

Radius: 14.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.25 AU - 3.25 AU

Year: 3041 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,240,873 km

• M1: 180,415 km (0.082 R)
• M2: 636,689 km (0.085 R)
• M3: 1,092,663 km (0.115 R)
• M4: 1,736,981 km (0.105 R)
• M5: 2,248,157 km (0.088 R)
• M6: 2,940,645 km (0.077 R)
• M7: 3,792,156 km (0.118 R)
• M8: 4,689,594 km (0.1 R)
• M9: 5,177,433 km (0.026 R)
• M10: 6,365,988 km (0.039 R)
• M11: 7,054,736 km (0.115 R)
• M12: 7,792,852 km (0.12 R)
• M13: 8,446,894 km (0.064 R)
• M14: 9,066,678 km (0.079 R)
• M15: 10,091,124 km (0.051 R)
• M16: 10,869,033 km (0.102 R)
• M17: 13,125,268 km (0.117 R)
• M18: 13,911,106 km (0.09 R)
• M19: 14,776,978 km (0.081 R)
• M20: 15,627,592 km (0.036 R)
• M21: 17,981,066 km (0.116 R)
• M22: 18,433,150 km (0.071 R)
• M23: 20,015,298 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.8

Radius: 12.8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.45 AU - 3.53 AU

Year: 3448 Days

Day: 11 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,240,873 km

• M1: 160,668 km (0.067 R)
• M2: 559,197 km (0.069 R)
• M3: 1,014,274 km (0.107 R)
• M4: 2,202,529 km (0.056 R)
• M5: 2,709,217 km (0.083 R)
• M6: 4,886,614 km (0.095 R)
• M7: 6,917,555 km (0.115 R)
• M8: 8,321,980 km (0.027 R)
• M9: 10,049,237 km (0.091 R)
• M10: 11,262,625 km (0.115 R)
• M11: 11,885,252 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.3

Radius: 4.1

Gravity: 59.15 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.57 AU - 8.61 AU

Year: 13944 Days

Day: 24 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,240,873 km

• M1: 51,013 km (0.093 R)
• M2: 196,272 km (0.059 R)
• M3: 420,071 km (0.075 R)
• M4: 560,693 km (0.108 R)
• M5: 1,010,234 km (0.044 R)
• M6: 1,413,101 km (0.08 R)
• M7: 1,585,139 km (0.029 R)
• M8: 1,990,400 km (0.102 R)
• M9: 2,207,167 km (0.117 R)
• M10: 3,053,741 km (0.038 R)
• M11: 3,563,720 km (0.119 R)
• M12: 3,943,849 km (0.113 R)
• M13: 5,065,833 km (0.059 R)
• M14: 6,177,943 km (0.106 R)
• M15: 6,343,249 km (0.112 R)
• M16: 6,769,154 km (0.11 R)
• M17: 7,397,166 km (0.106 R)
• M18: 8,872,351 km (0.108 R)
• M19: 12,065,816 km (0.103 R)
• M20: 12,785,232 km (0.07 R)
• M21: 14,381,143 km (0.105 R)
• M22: 15,339,317 km (0.071 R)
• M23: 15,872,633 km (0.118 R)
• M24: 16,027,317 km (0.027 R)
• M25: 18,554,026 km (0.107 R)
• M26: 22,676,045 km (0.087 R)
• M27: 27,702,683 km (0.036 R)
• M28: 29,066,118 km (0.109 R)
• M29: 30,354,605 km (0.118 R)
• M30: 34,061,341 km (0.086 R)
• M31: 35,757,182 km (0.063 R)
• M32: 36,424,239 km (0.087 R)
• M33: 44,164,134 km (0.105 R)
• M34: 48,903,544 km (0.111 R)
• M35: 50,722,953 km (0.09 R)
• M36: 51,058,501 km (0.111 R)
• M37: 57,719,047 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832

Radius: 6.6

Gravity: 19.1 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.07 AU - 11.25 AU

Year: 20021 Days

Day: 20.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,240,873 km

• M1: 82,129 km (0.052 R)
• M2: 345,122 km (0.074 R)
• M3: 1,018,911 km (0.035 R)
• M4: 1,380,938 km (0.029 R)
• M5: 1,980,676 km (0.104 R)
• M6: 3,216,055 km (0.078 R)
• M7: 3,837,185 km (0.044 R)
• M8: 5,276,167 km (0.109 R)
• M9: 7,330,744 km (0.059 R)
• M10: 7,777,444 km (0.105 R)
• M11: 8,033,406 km (0.09 R)
• M12: 8,890,302 km (0.055 R)
• M13: 9,688,856 km (0.103 R)
• M14: 10,658,998 km (0.038 R)
• M15: 15,033,090 km (0.058 R)
• M16: 17,700,121 km (0.069 R)
• M17: 18,685,372 km (0.085 R)
• M18: 23,521,124 km (0.066 R)
• M19: 30,122,728 km (0.091 R)
• M20: 31,524,610 km (0.097 R)
• M21: 32,703,591 km (0.102 R)
• M22: 38,893,202 km (0.102 R)
• M23: 40,861,162 km (0.025 R)
• M24: 42,104,620 km (0.096 R)
• M25: 43,533,429 km (0.091 R)
• M26: 43,855,364 km (0.113 R)
• M27: 45,819,883 km (0.112 R)
• M28: 46,153,037 km (0.095 R)
• M29: 52,245,710 km (0.111 R)
• M30: 53,157,659 km (0.088 R)
• M31: 54,452,129 km (0.074 R)
• M32: 54,825,824 km (0.068 R)
• M33: 57,103,901 km (0.07 R)
• M34: 62,663,257 km (0.096 R)
• M35: 64,107,325 km (0.043 R)
• M36: 67,706,650 km (0.036 R)
• M37: 68,138,689 km (0.119 R)
• M38: 70,548,261 km (0.074 R)
• M39: 76,936,689 km (0.033 R)
• M40: 80,512,676 km (0.066 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 19,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit