🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.9

Radius: 10.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.09 AU - 1.75 AU

Year: 1076 Days

Day: 5.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,669,412 km

• M1: 135,536 km (0.056 R)
• M2: 569,519 km (0.098 R)
• M3: 1,416,393 km (0.104 R)
• M4: 1,896,751 km (0.087 R)
• M5: 2,566,950 km (0.103 R)
• M6: 3,666,943 km (0.032 R)
• M7: 4,363,770 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 13.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.48 AU - 2.08 AU

Year: 1510 Days

Day: 10.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,669,412 km

• M1: 171,589 km (0.045 R)
• M2: 1,082,939 km (0.108 R)
• M3: 1,574,218 km (0.074 R)
• M4: 2,834,730 km (0.097 R)
• M5: 3,700,004 km (0.117 R)
• M6: 4,497,959 km (0.091 R)
• M7: 5,030,228 km (0.116 R)
• M8: 6,068,138 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.7

Radius: 9.3

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.48 AU - 2.2 AU

Year: 1587 Days

Day: 10.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,669,412 km

• M1: 115,789 km (0.075 R)
• M2: 410,646 km (0.097 R)
• M3: 786,586 km (0.116 R)
• M4: 1,200,074 km (0.06 R)
• M5: 1,657,245 km (0.061 R)
• M6: 2,042,909 km (0.067 R)
• M7: 2,579,067 km (0.097 R)
• M8: 2,923,890 km (0.113 R)
• M9: 3,315,238 km (0.098 R)
• M10: 4,039,442 km (0.07 R)
• M11: 5,505,501 km (0.109 R)
• M12: 6,152,512 km (0.067 R)
• M13: 6,875,219 km (0.06 R)
• M14: 7,653,427 km (0.11 R)
• M15: 8,489,230 km (0.117 R)
• M16: 9,068,922 km (0.1 R)
• M17: 9,384,574 km (0.041 R)
• M18: 9,904,875 km (0.072 R)
• M19: 10,341,551 km (0.09 R)
• M20: 11,325,905 km (0.042 R)
• M21: 11,840,971 km (0.055 R)
• M22: 12,838,938 km (0.096 R)
• M23: 13,891,957 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.6

Radius: 14

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.85 AU - 4.19 AU

Year: 4199 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,669,412 km

• M1: 174,132 km (0.083 R)
• M2: 891,903 km (0.116 R)
• M3: 1,377,048 km (0.105 R)
• M4: 2,042,759 km (0.112 R)
• M5: 2,747,365 km (0.099 R)
• M6: 6,550,741 km (0.114 R)
• M7: 7,255,048 km (0.069 R)
• M8: 8,873,099 km (0.092 R)
• M9: 11,085,202 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.9

Radius: 13

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.96 AU - 5.56 AU

Year: 6603 Days

Day: 7.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,669,412 km

• M1: 162,164 km (0.09 R)
• M2: 611,406 km (0.12 R)
• M3: 1,034,170 km (0.113 R)
• M4: 1,486,554 km (0.057 R)
• M5: 2,696,053 km (0.117 R)
• M6: 3,403,052 km (0.116 R)
• M7: 4,692,586 km (0.093 R)
• M8: 5,111,759 km (0.055 R)
• M9: 5,773,879 km (0.097 R)
• M10: 6,492,548 km (0.078 R)
• M11: 9,048,577 km (0.064 R)
• M12: 9,939,283 km (0.11 R)
• M13: 12,538,396 km (0.114 R)
• M14: 14,350,475 km (0.086 R)
• M15: 15,561,619 km (0.085 R)
• M16: 16,839,634 km (0.114 R)
• M17: 20,698,212 km (0.113 R)
• M18: 22,105,629 km (0.097 R)
• M19: 23,008,153 km (0.078 R)
• M20: 23,935,211 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.6

Radius: 4.7

Gravity: 25.38 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.1 AU - 10.52 AU

Year: 16626 Days

Day: 15.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,669,412 km

• M1: 58,493 km (0.109 R)
• M2: 372,798 km (0.072 R)
• M3: 546,481 km (0.115 R)
• M4: 737,069 km (0.117 R)
• M5: 916,736 km (0.065 R)
• M6: 1,380,190 km (0.087 R)
• M7: 1,575,864 km (0.099 R)
• M8: 1,722,171 km (0.082 R)
• M9: 1,931,309 km (0.114 R)
• M10: 2,486,017 km (0.107 R)
• M11: 2,685,132 km (0.039 R)
• M12: 3,115,376 km (0.025 R)
• M13: 3,730,522 km (0.096 R)
• M14: 4,081,927 km (0.116 R)
• M15: 4,455,025 km (0.063 R)
• M16: 7,054,437 km (0.106 R)
• M17: 7,364,404 km (0.1 R)
• M18: 8,011,415 km (0.089 R)
• M19: 12,134,930 km (0.109 R)
• M20: 13,234,176 km (0.077 R)
• M21: 15,703,139 km (0.032 R)
• M22: 16,849,358 km (0.117 R)
• M23: 17,085,124 km (0.055 R)
• M24: 23,425,381 km (0.087 R)
• M25: 23,817,627 km (0.094 R)
• M26: 25,430,142 km (0.075 R)
• M27: 25,948,648 km (0.089 R)
• M28: 28,203,387 km (0.1 R)
• M29: 29,435,027 km (0.066 R)
• M30: 34,974,935 km (0.101 R)
• M31: 38,529,829 km (0.065 R)
• M32: 39,627,728 km (0.099 R)
• M33: 40,044,657 km (0.053 R)
• M34: 43,192,645 km (0.074 R)
• M35: 43,634,258 km (0.096 R)
• M36: 55,504,550 km (0.068 R)
• M37: 62,173,025 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.4

Radius: 4.6

Gravity: 30.55 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.68 AU - 10.32 AU

Year: 18617 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,669,412 km

• M1: 57,146 km (0.098 R)
• M2: 206,295 km (0.081 R)
• M3: 592,557 km (0.098 R)
• M4: 2,475,246 km (0.076 R)
• M5: 3,105,353 km (0.031 R)
• M6: 3,658,266 km (0.088 R)
• M7: 5,670,358 km (0.096 R)
• M8: 10,053,575 km (0.085 R)
• M9: 10,227,558 km (0.105 R)
• M10: 10,822,209 km (0.09 R)
• M11: 14,584,296 km (0.062 R)
• M12: 18,606,834 km (0.058 R)
• M13: 18,957,341 km (0.038 R)
• M14: 19,852,984 km (0.077 R)
• M15: 25,826,427 km (0.095 R)
• M16: 26,592,966 km (0.064 R)
• M17: 32,767,618 km (0.077 R)
• M18: 33,924,908 km (0.04 R)
• M19: 34,976,431 km (0.108 R)
• M20: 36,594,033 km (0.072 R)
• M21: 37,560,285 km (0.106 R)
• M22: 45,434,968 km (0.119 R)
• M23: 50,176,323 km (0.068 R)
• M24: 58,543,182 km (0.1 R)
• M25: 61,978,996 km (0.092 R)
• M26: 62,173,773 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.7

Radius: 3.2

Gravity: 48.7 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.83 AU - 11.29 AU

Year: 18794 Days

Day: 17.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,669,412 km

• M1: 39,793 km (0.098 R)
• M2: 174,282 km (0.106 R)
• M3: 701,165 km (0.104 R)
• M4: 935,735 km (0.115 R)
• M5: 1,288,935 km (0.111 R)
• M6: 1,389,914 km (0.108 R)
• M7: 1,976,038 km (0.061 R)
• M8: 2,170,216 km (0.092 R)
• M9: 3,051,049 km (0.099 R)
• M10: 4,271,618 km (0.078 R)
• M11: 4,663,115 km (0.096 R)
• M12: 7,207,625 km (0.034 R)
• M13: 7,620,067 km (0.085 R)
• M14: 8,391,992 km (0.105 R)
• M15: 10,722,427 km (0.089 R)
• M16: 11,138,609 km (0.066 R)
• M17: 11,751,661 km (0.071 R)
• M18: 14,936,450 km (0.097 R)
• M19: 17,650,604 km (0.077 R)
• M20: 19,956,057 km (0.086 R)
• M21: 21,412,841 km (0.085 R)
• M22: 31,787,304 km (0.065 R)
• M23: 33,768,279 km (0.084 R)
• M24: 35,698,839 km (0.076 R)
• M25: 36,093,628 km (0.093 R)
• M26: 40,202,483 km (0.101 R)
• M27: 41,493,363 km (0.114 R)
• M28: 44,460,338 km (0.073 R)
• M29: 47,090,867 km (0.064 R)
• M30: 52,999,982 km (0.063 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 14,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit