🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.5

Radius: 13.4

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.53 AU - 0.75 AU

Year: 360 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,156,671 km

• M1: 166,652 km (0.065 R)
• M2: 657,782 km (0.102 R)
• M3: 1,099,096 km (0.061 R)
• M4: 1,547,141 km (0.105 R)
• M5: 2,128,179 km (0.03 R)
• M6: 3,150,980 km (0.047 R)
• M7: 3,577,783 km (0.111 R)
• M8: 4,708,294 km (0.109 R)
• M9: 5,222,462 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.2

Radius: 13.9

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.69 AU - 0.77 AU

Year: 438 Days

Day: 6.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 172.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,156,671 km

• M1: 172,935 km (0.045 R)
• M2: 627,862 km (0.092 R)
• M3: 1,140,534 km (0.105 R)
• M4: 1,799,962 km (0.119 R)
• M5: 2,261,920 km (0.065 R)
• M6: 2,715,949 km (0.112 R)
• M7: 3,501,937 km (0.096 R)
• M8: 4,180,662 km (0.057 R)
• M9: 4,771,274 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664

Radius: 13.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.73 AU - 0.91 AU

Year: 522 Days

Day: 13.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,156,671 km

• M1: 169,195 km (0.088 R)
• M2: 627,264 km (0.044 R)
• M3: 1,141,282 km (0.079 R)
• M4: 1,591,721 km (0.116 R)
• M5: 2,548,998 km (0.097 R)
• M6: 3,900,914 km (0.092 R)
• M7: 4,333,252 km (0.091 R)
• M8: 4,766,787 km (0.072 R)
• M9: 5,295,615 km (0.097 R)
• M10: 6,079,807 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.3

Radius: 14.2

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.66 AU - 1.08 AU

Year: 570 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 89.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,156,671 km

• M1: 176,675 km (0.089 R)
• M2: 1,165,816 km (0.118 R)
• M3: 1,689,409 km (0.053 R)
• M4: 2,314,429 km (0.107 R)
• M5: 3,324,663 km (0.119 R)
• M6: 3,966,438 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.6

Radius: 14.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.26 AU - 2.86 AU

Year: 2879 Days

Day: 13.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,156,671 km

• M1: 182,809 km (0.054 R)
• M2: 740,958 km (0.099 R)
• M3: 1,410,858 km (0.053 R)
• M4: 2,113,369 km (0.115 R)
• M5: 5,050,275 km (0.119 R)
• M6: 7,199,547 km (0.117 R)
• M7: 8,431,785 km (0.087 R)
• M8: 9,461,766 km (0.103 R)
• M9: 14,039,910 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.8

Radius: 11.4

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.94 AU - 3.12 AU

Year: 3707 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,156,671 km

• M1: 153,487 km (0.094 R)
• M2: 643,420 km (0.106 R)
• M3: 1,247,646 km (0.115 R)
• M4: 1,967,212 km (0.119 R)
• M5: 2,550,045 km (0.063 R)
• M6: 3,264,974 km (0.095 R)
• M7: 4,223,896 km (0.113 R)
• M8: 4,782,046 km (0.115 R)
• M9: 5,361,438 km (0.119 R)
• M10: 5,840,750 km (0.09 R)
• M11: 6,410,269 km (0.069 R)
• M12: 7,016,439 km (0.077 R)
• M13: 7,487,373 km (0.101 R)
• M14: 8,757,459 km (0.042 R)
• M15: 9,343,883 km (0.107 R)
• M16: 11,352,234 km (0.109 R)
• M17: 12,002,387 km (0.077 R)
• M18: 12,974,025 km (0.108 R)
• M19: 13,736,675 km (0.044 R)
• M20: 14,368,127 km (0.106 R)
• M21: 15,859,618 km (0.097 R)
• M22: 17,573,860 km (0.118 R)
• M23: 18,130,215 km (0.094 R)
• M24: 20,609,650 km (0.112 R)
• M25: 23,903,496 km (0.104 R)
• M26: 24,510,115 km (0.032 R)
• M27: 25,517,806 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.4

Radius: 11.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.4 AU - 5.34 AU

Year: 6421 Days

Day: 12.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,156,671 km

• M1: 152,590 km (0.097 R)
• M2: 668,403 km (0.098 R)
• M3: 1,924,277 km (0.117 R)
• M4: 3,004,972 km (0.115 R)
• M5: 3,753,710 km (0.069 R)
• M6: 4,772,022 km (0.089 R)
• M7: 6,083,697 km (0.116 R)
• M8: 6,791,594 km (0.12 R)
• M9: 8,594,697 km (0.107 R)
• M10: 9,975,784 km (0.043 R)
• M11: 11,729,520 km (0.095 R)
• M12: 14,571,730 km (0.119 R)
• M13: 15,223,977 km (0.092 R)
• M14: 16,181,254 km (0.072 R)
• M15: 21,929,402 km (0.084 R)
• M16: 22,858,555 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.9

Radius: 7.4

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.54 AU - 9.92 AU

Year: 21334 Days

Day: 20.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,156,671 km

• M1: 126,560 km (0.107 R)
• M2: 474,076 km (0.102 R)
• M3: 713,133 km (0.117 R)
• M4: 3,376,723 km (0.039 R)
• M5: 3,802,030 km (0.036 R)
• M6: 4,331,307 km (0.106 R)
• M7: 4,613,898 km (0.093 R)
• M8: 5,022,449 km (0.063 R)
• M9: 6,040,912 km (0.079 R)
• M10: 6,902,595 km (0.035 R)
• M11: 9,208,497 km (0.116 R)
• M12: 9,977,729 km (0.077 R)
• M13: 12,828,017 km (0.047 R)
• M14: 13,786,491 km (0.101 R)
• M15: 15,680,101 km (0.078 R)
• M16: 16,095,385 km (0.084 R)
• M17: 18,558,065 km (0.111 R)
• M18: 28,895,726 km (0.118 R)
• M19: 30,795,619 km (0.057 R)
• M20: 31,316,070 km (0.034 R)
• M21: 34,283,494 km (0.076 R)
• M22: 38,775,768 km (0.075 R)
• M23: 53,073,285 km (0.111 R)
• M24: 55,914,448 km (0.086 R)
• M25: 59,857,998 km (0.1 R)
• M26: 61,076,323 km (0.1 R)
• M27: 71,878,785 km (0.157 R)
• M28: 73,254,936 km (0.111 R)
• M29: 80,645,370 km (0.084 R)
• M30: 81,385,879 km (0.19 R)
• M31: 84,393,395 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 10,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit