🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

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: 310.5

Radius: 9.1

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.76 AU - 0.76 AU

Year: 428 Days

Day: 13.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,141,957 km

• M1: 114,143 km (0.086 R)
• M2: 411,394 km (0.101 R)
• M3: 839,693 km (0.111 R)
• M4: 2,094,370 km (0.105 R)
• M5: 2,525,212 km (0.066 R)
• M6: 3,599,474 km (0.095 R)
• M7: 3,901,363 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.8

Radius: 13.3

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.81 AU - 1.11 AU

Year: 607 Days

Day: 12.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,141,957 km

• M1: 165,455 km (0.104 R)
• M2: 590,014 km (0.115 R)
• M3: 1,128,566 km (0.06 R)
• M4: 1,549,684 km (0.1 R)
• M5: 2,219,284 km (0.091 R)
• M6: 2,980,289 km (0.108 R)
• M7: 4,988,640 km (0.089 R)
• M8: 5,888,621 km (0.104 R)
• M9: 7,283,023 km (0.119 R)
• M10: 7,917,318 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.8

Radius: 14.7

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.05 AU - 1.29 AU

Year: 817 Days

Day: 12.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,141,957 km

• M1: 185,202 km (0.119 R)
• M2: 701,016 km (0.105 R)
• M3: 1,178,981 km (0.101 R)
• M4: 1,676,843 km (0.114 R)
• M5: 2,159,894 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 14.1

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.04 AU - 1.38 AU

Year: 859 Days

Day: 11.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,141,957 km

• M1: 178,470 km (0.05 R)
• M2: 1,131,110 km (0.119 R)
• M3: 1,928,466 km (0.093 R)
• M4: 2,942,441 km (0.113 R)
• M5: 3,799,337 km (0.091 R)
• M6: 5,702,820 km (0.11 R)
• M7: 6,441,385 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.2

Radius: 15

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.06 AU - 4.46 AU

Year: 5677 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,141,957 km

• M1: 188,194 km (0.071 R)
• M2: 674,986 km (0.11 R)
• M3: 1,256,622 km (0.099 R)
• M4: 2,041,413 km (0.068 R)
• M5: 2,922,394 km (0.11 R)
• M6: 3,538,887 km (0.099 R)
• M7: 4,317,095 km (0.099 R)
• M8: 6,087,586 km (0.073 R)
• M9: 7,875,580 km (0.073 R)
• M10: 9,037,058 km (0.106 R)
• M11: 9,593,562 km (0.114 R)
• M12: 10,356,062 km (0.113 R)
• M13: 10,965,973 km (0.045 R)
• M14: 11,749,716 km (0.104 R)
• M15: 13,210,838 km (0.111 R)
• M16: 15,025,760 km (0.045 R)
• M17: 15,625,647 km (0.097 R)
• M18: 16,241,542 km (0.082 R)
• M19: 18,321,850 km (0.111 R)
• M20: 21,767,837 km (0.034 R)
• M21: 22,614,561 km (0.094 R)
• M22: 23,323,505 km (0.084 R)
• M23: 24,620,668 km (0.039 R)
• M24: 26,743,013 km (0.026 R)
• M25: 31,543,908 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324

Radius: 14.4

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.73 AU - 6.03 AU

Year: 8057 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,141,957 km

• M1: 180,565 km (0.077 R)
• M2: 712,385 km (0.079 R)
• M3: 1,232,836 km (0.036 R)
• M4: 2,072,080 km (0.117 R)
• M5: 7,160,203 km (0.069 R)
• M6: 7,917,767 km (0.068 R)
• M7: 18,105,681 km (0.12 R)
• M8: 21,796,859 km (0.117 R)
• M9: 26,129,662 km (0.088 R)
• M10: 30,539,358 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.7

Radius: 6

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.61 AU - 10.59 AU

Year: 20725 Days

Day: 20.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,141,957 km

• M1: 95,294 km (0.082 R)
• M2: 289,771 km (0.103 R)
• M3: 751,580 km (0.078 R)
• M4: 974,481 km (0.083 R)
• M5: 1,214,286 km (0.116 R)
• M6: 1,461,870 km (0.091 R)
• M7: 2,242,472 km (0.045 R)
• M8: 2,458,342 km (0.106 R)
• M9: 3,298,783 km (0.109 R)
• M10: 3,724,987 km (0.04 R)
• M11: 4,826,626 km (0.097 R)
• M12: 5,225,454 km (0.084 R)
• M13: 6,773,941 km (0.111 R)
• M14: 7,556,936 km (0.081 R)
• M15: 9,918,339 km (0.117 R)
• M16: 11,676,712 km (0.114 R)
• M17: 17,417,082 km (0.085 R)
• M18: 19,412,867 km (0.103 R)
• M19: 21,459,964 km (0.105 R)
• M20: 21,749,735 km (0.041 R)
• M21: 24,059,526 km (0.069 R)
• M22: 25,327,219 km (0.077 R)
• M23: 26,086,877 km (0.101 R)
• M24: 26,861,644 km (0.089 R)
• M25: 27,424,431 km (0.096 R)
• M26: 29,515,510 km (0.032 R)
• M27: 32,847,653 km (0.061 R)
• M28: 33,232,718 km (0.102 R)
• M29: 36,973,114 km (0.085 R)
• M30: 41,132,982 km (0.11 R)
• M31: 41,580,429 km (0.116 R)
• M32: 51,567,882 km (0.087 R)
• M33: 57,112,577 km (0.106 R)
• M34: 61,863,357 km (0.093 R)
• M35: 62,254,406 km (0.074 R)
• M36: 64,836,615 km (0.114 R)
• M37: 70,639,067 km (0.031 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 19,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit