🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.9

Radius: 8.9

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.99 AU - 1.33 AU

Year: 862 Days

Day: 12.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,955,374 km

• M1: 110,702 km (0.12 R)
• M2: 399,726 km (0.084 R)
• M3: 910,153 km (0.108 R)
• M4: 1,328,878 km (0.084 R)
• M5: 2,176,200 km (0.076 R)
• M6: 2,456,098 km (0.063 R)
• M7: 3,304,916 km (0.091 R)
• M8: 3,873,388 km (0.086 R)
• M9: 4,591,308 km (0.095 R)
• M10: 5,414,695 km (0.085 R)
• M11: 6,205,020 km (0.086 R)
• M12: 6,932,066 km (0.052 R)
• M13: 8,114,936 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.9

Radius: 9.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.43 AU - 1.65 AU

Year: 1319 Days

Day: 6.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,955,374 km

• M1: 114,442 km (0.094 R)
• M2: 594,053 km (0.118 R)
• M3: 1,421,629 km (0.106 R)
• M4: 2,061,459 km (0.078 R)
• M5: 2,371,126 km (0.048 R)
• M6: 2,711,910 km (0.109 R)
• M7: 3,244,329 km (0.089 R)
• M8: 3,680,706 km (0.102 R)
• M9: 4,990,435 km (0.046 R)
• M10: 5,711,198 km (0.055 R)
• M11: 6,138,449 km (0.081 R)
• M12: 6,608,785 km (0.075 R)
• M13: 8,292,360 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.5

Radius: 13.2

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.18 AU - 2.6 AU

Year: 2550 Days

Day: 6.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,955,374 km

• M1: 190,438 km (0.09 R)
• M2: 627,862 km (0.118 R)
• M3: 1,153,848 km (0.101 R)
• M4: 1,849,478 km (0.095 R)
• M5: 2,392,369 km (0.087 R)
• M6: 5,512,233 km (0.09 R)
• M7: 6,327,092 km (0.075 R)
• M8: 6,751,053 km (0.116 R)
• M9: 7,355,129 km (0.094 R)
• M10: 8,372,843 km (0.109 R)
• M11: 9,546,887 km (0.106 R)
• M12: 11,546,412 km (0.11 R)
• M13: 14,230,049 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955

Radius: 14.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.36 AU - 2.92 AU

Year: 2961 Days

Day: 5.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,955,374 km

• M1: 179,517 km (0.081 R)
• M2: 737,218 km (0.078 R)
• M3: 1,235,230 km (0.063 R)
• M4: 1,915,750 km (0.071 R)
• M5: 2,373,669 km (0.086 R)
• M6: 3,042,521 km (0.089 R)
• M7: 3,654,227 km (0.098 R)
• M8: 4,737,914 km (0.067 R)
• M9: 5,355,305 km (0.093 R)
• M10: 5,805,594 km (0.108 R)
• M11: 6,602,951 km (0.114 R)
• M12: 7,090,640 km (0.06 R)
• M13: 8,917,679 km (0.102 R)
• M14: 9,784,598 km (0.098 R)
• M15: 10,258,824 km (0.107 R)
• M16: 11,211,014 km (0.117 R)
• M17: 13,291,472 km (0.108 R)
• M18: 14,423,329 km (0.087 R)
• M19: 18,264,554 km (0.086 R)
• M20: 19,291,543 km (0.108 R)
• M21: 21,394,440 km (0.045 R)
• M22: 23,225,369 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.2

Radius: 5.5

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.71 AU - 6.83 AU

Year: 9567 Days

Day: 22.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,955,374 km

• M1: 68,366 km (0.085 R)
• M2: 375,939 km (0.078 R)
• M3: 836,102 km (0.111 R)
• M4: 1,234,930 km (0.09 R)
• M5: 1,600,847 km (0.112 R)
• M6: 3,014,995 km (0.099 R)
• M7: 3,225,928 km (0.113 R)
• M8: 3,401,706 km (0.1 R)
• M9: 4,042,882 km (0.112 R)
• M10: 7,463,737 km (0.075 R)
• M11: 8,749,531 km (0.085 R)
• M12: 9,805,991 km (0.111 R)
• M13: 12,328,510 km (0.074 R)
• M14: 14,706,368 km (0.11 R)
• M15: 15,376,268 km (0.103 R)
• M16: 15,562,517 km (0.112 R)
• M17: 15,813,093 km (0.034 R)
• M18: 17,575,356 km (0.066 R)
• M19: 20,271,708 km (0.048 R)
• M20: 22,585,838 km (0.065 R)
• M21: 25,156,079 km (0.083 R)
• M22: 27,094,119 km (0.061 R)
• M23: 29,224,393 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.4

Radius: 3.5

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.18 AU - 6.94 AU

Year: 11598 Days

Day: 24.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,955,374 km

• M1: 43,533 km (0.064 R)
• M2: 187,297 km (0.115 R)
• M3: 328,367 km (0.085 R)
• M4: 929,302 km (0.09 R)
• M5: 1,123,181 km (0.061 R)
• M6: 1,399,787 km (0.111 R)
• M7: 2,305,602 km (0.082 R)
• M8: 2,769,356 km (0.118 R)
• M9: 2,956,054 km (0.104 R)
• M10: 3,231,314 km (0.1 R)
• M11: 3,354,433 km (0.117 R)
• M12: 3,588,404 km (0.1 R)
• M13: 4,405,358 km (0.119 R)
• M14: 7,233,805 km (0.109 R)
• M15: 7,660,009 km (0.081 R)
• M16: 8,562,683 km (0.034 R)
• M17: 10,308,789 km (0.038 R)
• M18: 11,934,170 km (0.038 R)
• M19: 14,429,911 km (0.065 R)
• M20: 14,596,563 km (0.062 R)
• M21: 18,011,883 km (0.114 R)
• M22: 18,925,327 km (0.118 R)
• M23: 19,869,290 km (0.078 R)
• M24: 20,844,070 km (0.047 R)
• M25: 22,439,681 km (0.062 R)
• M26: 22,888,624 km (0.111 R)
• M27: 25,708,693 km (0.071 R)
• M28: 25,953,585 km (0.111 R)
• M29: 28,142,052 km (0.088 R)
• M30: 28,927,291 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.5

Radius: 4

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.49 AU - 7.55 AU

Year: 12839 Days

Day: 23.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,955,374 km

• M1: 113,994 km (0.103 R)
• M2: 417,079 km (0.032 R)
• M3: 576,849 km (0.118 R)
• M4: 889,958 km (0.119 R)
• M5: 1,307,186 km (0.057 R)
• M6: 2,351,529 km (0.09 R)
• M7: 2,804,362 km (0.065 R)
• M8: 3,380,762 km (0.077 R)
• M9: 5,390,909 km (0.088 R)
• M10: 5,516,421 km (0.097 R)
• M11: 7,291,550 km (0.077 R)
• M12: 7,718,951 km (0.05 R)
• M13: 8,370,150 km (0.114 R)
• M14: 11,758,093 km (0.087 R)
• M15: 19,329,391 km (0.117 R)
• M16: 22,979,280 km (0.107 R)
• M17: 25,008,725 km (0.085 R)
• M18: 25,710,937 km (0.08 R)
• M19: 30,301,198 km (0.071 R)
• M20: 37,992,025 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.2

Radius: 3.8

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.6 AU - 10.04 AU

Year: 19640 Days

Day: 24.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 146.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,955,374 km

• M1: 52,060 km (0.108 R)
• M2: 190,288 km (0.115 R)
• M3: 589,565 km (0.086 R)
• M4: 1,434,943 km (0.119 R)
• M5: 1,605,185 km (0.077 R)
• M6: 2,425,580 km (0.079 R)
• M7: 3,177,309 km (0.093 R)
• M8: 4,156,876 km (0.083 R)
• M9: 4,328,166 km (0.064 R)
• M10: 7,877,525 km (0.115 R)
• M11: 9,248,440 km (0.092 R)
• M12: 10,558,618 km (0.068 R)
• M13: 10,717,341 km (0.045 R)
• M14: 19,705,780 km (0.096 R)
• M15: 24,160,804 km (0.11 R)
• M16: 24,621,566 km (0.069 R)
• M17: 24,807,516 km (0.099 R)
• M18: 25,655,885 km (0.071 R)
• M19: 28,725,783 km (0.108 R)
• M20: 32,364,602 km (0.094 R)
• M21: 34,063,136 km (0.103 R)
• M22: 36,539,729 km (0.111 R)
• M23: 38,007,433 km (0.058 R)
• M24: 41,583,870 km (0.091 R)
• M25: 43,589,080 km (0.098 R)
• M26: 45,238,845 km (0.112 R)
• M27: 46,361,577 km (0.06 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 19,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit