🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 13.6

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.51 AU - 0.69 AU

Year: 321 Days

Day: 10.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,020,249 km

• M1: 169,195 km (0.053 R)
• M2: 672,592 km (0.119 R)
• M3: 1,294,171 km (0.042 R)
• M4: 1,759,869 km (0.035 R)
• M5: 2,215,096 km (0.077 R)
• M6: 2,638,158 km (0.037 R)
• M7: 3,126,147 km (0.076 R)
• M8: 3,571,051 km (0.111 R)
• M9: 4,083,573 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.3

Radius: 13

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.68 AU - 0.78 AU

Year: 431 Days

Day: 11.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,020,249 km

• M1: 161,715 km (0.052 R)
• M2: 567,425 km (0.09 R)
• M3: 998,715 km (0.11 R)
• M4: 1,440,627 km (0.063 R)
• M5: 2,225,717 km (0.046 R)
• M6: 2,792,693 km (0.114 R)
• M7: 3,431,476 km (0.075 R)
• M8: 4,499,455 km (0.103 R)
• M9: 4,911,448 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.2

Radius: 9.9

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.63 AU - 1.03 AU

Year: 522 Days

Day: 9.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 82.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,020,249 km

• M1: 123,119 km (0.051 R)
• M2: 467,045 km (0.1 R)
• M3: 1,471,295 km (0.091 R)
• M4: 1,847,384 km (0.074 R)
• M5: 2,325,798 km (0.086 R)
• M6: 2,657,606 km (0.061 R)
• M7: 3,149,783 km (0.119 R)
• M8: 3,545,170 km (0.093 R)
• M9: 3,863,365 km (0.088 R)
• M10: 4,288,073 km (0.08 R)
• M11: 5,522,405 km (0.063 R)
• M12: 6,364,791 km (0.117 R)
• M13: 6,776,784 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.9

Radius: 14

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.06 AU - 1.4 AU

Year: 942 Days

Day: 9.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,020,249 km

• M1: 174,132 km (0.099 R)
• M2: 610,060 km (0.118 R)
• M3: 1,284,298 km (0.069 R)
• M4: 1,758,972 km (0.096 R)
• M5: 2,221,828 km (0.044 R)
• M6: 3,661,707 km (0.047 R)
• M7: 7,320,871 km (0.108 R)
• M8: 7,855,534 km (0.057 R)
• M9: 8,516,308 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 9.3

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.47 AU - 2.89 AU

Year: 3028 Days

Day: 10.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,020,249 km

• M1: 115,789 km (0.096 R)
• M2: 405,859 km (0.034 R)
• M3: 978,071 km (0.076 R)
• M4: 1,268,291 km (0.103 R)
• M5: 1,572,872 km (0.104 R)
• M6: 1,864,289 km (0.112 R)
• M7: 2,452,059 km (0.107 R)
• M8: 3,530,959 km (0.06 R)
• M9: 3,911,536 km (0.067 R)
• M10: 4,253,217 km (0.101 R)
• M11: 5,246,248 km (0.09 R)
• M12: 5,635,950 km (0.118 R)
• M13: 6,710,811 km (0.115 R)
• M14: 7,883,359 km (0.055 R)
• M15: 9,076,552 km (0.088 R)
• M16: 10,752,646 km (0.076 R)
• M17: 11,340,416 km (0.112 R)
• M18: 11,729,371 km (0.095 R)
• M19: 12,397,475 km (0.074 R)
• M20: 15,066,151 km (0.108 R)
• M21: 17,062,984 km (0.094 R)
• M22: 18,508,249 km (0.098 R)
• M23: 19,536,584 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.5

Radius: 3.6

Gravity: 24.88 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.49 AU - 7.31 AU

Year: 9892 Days

Day: 19.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,020,249 km

• M1: 44,879 km (0.079 R)
• M2: 275,110 km (0.072 R)
• M3: 772,523 km (0.046 R)
• M4: 984,354 km (0.067 R)
• M5: 1,200,523 km (0.097 R)
• M6: 1,523,804 km (0.096 R)
• M7: 1,872,517 km (0.028 R)
• M8: 2,393,566 km (0.066 R)
• M9: 2,803,763 km (0.09 R)
• M10: 4,007,428 km (0.082 R)
• M11: 5,706,860 km (0.102 R)
• M12: 6,538,325 km (0.09 R)
• M13: 7,037,533 km (0.117 R)
• M14: 7,833,393 km (0.072 R)
• M15: 7,991,668 km (0.052 R)
• M16: 9,334,458 km (0.106 R)
• M17: 10,293,231 km (0.107 R)
• M18: 11,066,353 km (0.11 R)
• M19: 11,215,502 km (0.09 R)
• M20: 11,671,027 km (0.075 R)
• M21: 12,673,034 km (0.108 R)
• M22: 13,056,304 km (0.101 R)
• M23: 14,666,575 km (0.109 R)
• M24: 16,469,080 km (0.093 R)
• M25: 17,322,985 km (0.074 R)
• M26: 19,987,622 km (0.077 R)
• M27: 22,592,420 km (0.055 R)
• M28: 24,730,622 km (0.06 R)
• M29: 26,375,750 km (0.116 R)
• M30: 35,273,682 km (0.097 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 16,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit