🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 14.6

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.68 AU - 0.84 AU

Year: 449 Days

Day: 6.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,076,649 km

• M1: 181,761 km (0.112 R)
• M2: 867,219 km (0.108 R)
• M3: 1,409,661 km (0.071 R)
• M4: 1,989,053 km (0.105 R)
• M5: 2,473,750 km (0.103 R)
• M6: 3,202,890 km (0.066 R)
• M7: 3,998,452 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.7

Radius: 11.7

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.88 AU - 1.42 AU

Year: 836 Days

Day: 7 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,076,649 km

• M1: 145,559 km (0.066 R)
• M2: 663,766 km (0.109 R)
• M3: 1,084,136 km (0.066 R)
• M4: 1,455,438 km (0.08 R)
• M5: 1,885,382 km (0.076 R)
• M6: 2,377,858 km (0.037 R)
• M7: 2,840,415 km (0.115 R)
• M8: 3,580,625 km (0.111 R)
• M9: 3,996,657 km (0.097 R)
• M10: 4,496,912 km (0.048 R)
• M11: 6,541,017 km (0.115 R)
• M12: 7,118,615 km (0.09 R)
• M13: 8,946,252 km (0.117 R)
• M14: 9,398,037 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.5

Radius: 8.5

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.5 AU - 2.24 AU

Year: 1734 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,076,649 km

• M1: 105,766 km (0.102 R)
• M2: 556,953 km (0.103 R)
• M3: 1,352,365 km (0.078 R)
• M4: 1,865,785 km (0.114 R)
• M5: 2,808,550 km (0.093 R)
• M6: 4,265,035 km (0.066 R)
• M7: 5,711,796 km (0.119 R)
• M8: 7,047,107 km (0.114 R)
• M9: 7,376,372 km (0.099 R)
• M10: 7,658,513 km (0.116 R)
• M11: 8,095,190 km (0.032 R)
• M12: 8,986,643 km (0.095 R)
• M13: 9,739,121 km (0.097 R)
• M14: 12,366,957 km (0.074 R)
• M15: 13,173,289 km (0.102 R)
• M16: 13,505,546 km (0.072 R)
• M17: 14,404,330 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.6

Radius: 8.1

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.3 AU - 2.54 AU

Year: 2553 Days

Day: 9.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,076,649 km

• M1: 100,979 km (0.03 R)
• M2: 388,206 km (0.11 R)
• M3: 693,985 km (0.096 R)
• M4: 1,054,815 km (0.117 R)
• M5: 1,496,577 km (0.116 R)
• M6: 1,856,210 km (0.11 R)
• M7: 2,343,301 km (0.118 R)
• M8: 3,572,098 km (0.06 R)
• M9: 3,906,599 km (0.073 R)
• M10: 4,283,436 km (0.116 R)
• M11: 4,753,622 km (0.027 R)
• M12: 5,134,498 km (0.116 R)
• M13: 5,458,826 km (0.095 R)
• M14: 7,015,841 km (0.115 R)
• M15: 7,478,697 km (0.076 R)
• M16: 8,465,594 km (0.1 R)
• M17: 10,735,891 km (0.05 R)
• M18: 11,392,775 km (0.109 R)
• M19: 13,105,821 km (0.098 R)
• M20: 16,278,193 km (0.112 R)
• M21: 18,443,622 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.5

Radius: 5.2

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.83 AU - 9.07 AU

Year: 13792 Days

Day: 18 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,076,649 km

• M1: 64,626 km (0.047 R)
• M2: 350,957 km (0.083 R)
• M3: 541,395 km (0.108 R)
• M4: 1,802,355 km (0.107 R)
• M5: 2,921,198 km (0.089 R)
• M6: 4,036,450 km (0.101 R)
• M7: 4,714,577 km (0.03 R)
• M8: 4,974,279 km (0.087 R)
• M9: 5,929,312 km (0.078 R)
• M10: 6,170,763 km (0.111 R)
• M11: 6,356,114 km (0.116 R)
• M12: 13,289,377 km (0.096 R)
• M13: 17,697,727 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.7

Radius: 4.5

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.76 AU - 9.24 AU

Year: 16808 Days

Day: 15.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,076,649 km

• M1: 58,194 km (0.093 R)
• M2: 198,367 km (0.026 R)
• M3: 653,892 km (0.068 R)
• M4: 820,844 km (0.101 R)
• M5: 1,076,805 km (0.051 R)
• M6: 1,491,341 km (0.104 R)
• M7: 1,873,414 km (0.108 R)
• M8: 3,093,834 km (0.088 R)
• M9: 4,456,371 km (0.072 R)
• M10: 6,321,408 km (0.097 R)
• M11: 6,865,944 km (0.11 R)
• M12: 7,506,971 km (0.12 R)
• M13: 8,222,049 km (0.109 R)
• M14: 9,206,851 km (0.116 R)
• M15: 10,891,174 km (0.057 R)
• M16: 11,627,794 km (0.105 R)
• M17: 12,817,546 km (0.117 R)
• M18: 14,086,435 km (0.076 R)
• M19: 17,503,400 km (0.039 R)
• M20: 22,312,971 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253

Radius: 3.2

Gravity: 24.71 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.74 AU - 10.12 AU

Year: 18100 Days

Day: 18 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 51,076,649 km

• M1: 47,423 km (0.111 R)
• M2: 149,299 km (0.059 R)
• M3: 281,842 km (0.081 R)
• M4: 583,282 km (0.092 R)
• M5: 989,590 km (0.096 R)
• M6: 1,363,435 km (0.106 R)
• M7: 1,808,040 km (0.114 R)
• M8: 2,624,994 km (0.104 R)
• M9: 3,531,557 km (0.119 R)
• M10: 3,740,545 km (0.101 R)
• M11: 3,875,333 km (0.094 R)
• M12: 4,357,786 km (0.061 R)
• M13: 4,975,176 km (0.116 R)
• M14: 5,138,238 km (0.036 R)
• M15: 5,898,345 km (0.087 R)
• M16: 6,381,247 km (0.075 R)
• M17: 8,438,816 km (0.117 R)
• M18: 8,670,693 km (0.115 R)
• M19: 12,619,927 km (0.106 R)
• M20: 13,671,301 km (0.106 R)
• M21: 14,712,651 km (0.105 R)
• M22: 17,321,339 km (0.1 R)
• M23: 20,139,763 km (0.115 R)
• M24: 20,889,248 km (0.079 R)
• M25: 24,822,625 km (0.056 R)
• M26: 26,564,543 km (0.076 R)
• M27: 29,752,623 km (0.115 R)
• M28: 30,289,530 km (0.084 R)
• M29: 36,506,518 km (0.1 R)
• M30: 37,994,718 km (0.116 R)
• M31: 39,652,112 km (0.099 R)
• M32: 41,091,693 km (0.12 R)
• M33: 42,025,632 km (0.107 R)
• M34: 42,565,681 km (0.105 R)
• M35: 45,903,209 km (0.085 R)
• M36: 46,619,783 km (0.092 R)
• M37: 46,763,995 km (0.088 R)
• M38: 48,222,425 km (0.042 R)
• M39: 48,517,731 km (0.115 R)
• M40: 48,962,934 km (0.087 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: 356 - 15,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit