🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.5

Radius: 9.9

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.5 AU - 0.68 AU

Year: 307 Days

Day: 11.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,943,801 km

• M1: 123,119 km (0.115 R)
• M2: 458,966 km (0.116 R)
• M3: 802,742 km (0.096 R)
• M4: 1,149,211 km (0.091 R)
• M5: 1,465,760 km (0.105 R)
• M6: 1,791,883 km (0.063 R)
• M7: 2,127,132 km (0.052 R)
• M8: 2,752,451 km (0.1 R)
• M9: 3,108,793 km (0.112 R)
• M10: 3,429,082 km (0.105 R)
• M11: 3,830,902 km (0.075 R)
• M12: 4,566,325 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.2

Radius: 8.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.88 AU - 0.96 AU

Year: 599 Days

Day: 10.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,943,801 km

• M1: 106,962 km (0.064 R)
• M2: 400,922 km (0.051 R)
• M3: 775,366 km (0.093 R)
• M4: 1,053,468 km (0.1 R)
• M5: 1,485,656 km (0.081 R)
• M6: 1,759,271 km (0.075 R)
• M7: 2,118,605 km (0.089 R)
• M8: 2,458,342 km (0.098 R)
• M9: 4,059,937 km (0.107 R)
• M10: 4,353,896 km (0.107 R)
• M11: 4,875,395 km (0.108 R)
• M12: 5,883,535 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.2

Radius: 9.1

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.21 AU - 1.61 AU

Year: 1136 Days

Day: 9.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,943,801 km

• M1: 113,096 km (0.061 R)
• M2: 404,961 km (0.074 R)
• M3: 744,848 km (0.096 R)
• M4: 1,126,921 km (0.073 R)
• M5: 1,440,627 km (0.051 R)
• M6: 1,948,512 km (0.082 R)
• M7: 2,259,377 km (0.068 R)
• M8: 2,689,620 km (0.114 R)
• M9: 2,982,682 km (0.092 R)
• M10: 5,048,180 km (0.12 R)
• M11: 6,675,655 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.4

Radius: 6.6

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6 AU - 6.28 AU

Year: 10319 Days

Day: 21.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,943,801 km

• M1: 82,129 km (0.07 R)
• M2: 340,036 km (0.084 R)
• M3: 570,716 km (0.102 R)
• M4: 862,581 km (0.056 R)
• M5: 1,081,742 km (0.085 R)
• M6: 1,338,303 km (0.111 R)
• M7: 1,592,320 km (0.05 R)
• M8: 1,831,228 km (0.113 R)
• M9: 2,076,867 km (0.072 R)
• M10: 2,516,087 km (0.062 R)
• M11: 3,265,273 km (0.032 R)
• M12: 3,704,342 km (0.114 R)
• M13: 3,938,164 km (0.039 R)
• M14: 4,760,055 km (0.034 R)
• M15: 5,099,941 km (0.05 R)
• M16: 5,357,100 km (0.061 R)
• M17: 5,725,111 km (0.116 R)
• M18: 6,776,185 km (0.096 R)
• M19: 7,048,004 km (0.111 R)
• M20: 11,660,406 km (0.07 R)
• M21: 12,221,398 km (0.118 R)
• M22: 12,624,864 km (0.087 R)
• M23: 14,201,027 km (0.117 R)
• M24: 17,375,493 km (0.052 R)
• M25: 17,959,224 km (0.048 R)
• M26: 19,475,548 km (0.098 R)
• M27: 21,488,537 km (0.057 R)
• M28: 22,502,362 km (0.069 R)
• M29: 24,625,156 km (0.075 R)
• M30: 32,331,690 km (0.045 R)
• M31: 36,785,817 km (0.117 R)
• M32: 39,972,102 km (0.107 R)
• M33: 42,282,791 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.5

Radius: 3.6

Gravity: 23.96 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.97 AU - 10.89 AU

Year: 18100 Days

Day: 23.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,943,801 km

• M1: 50,115 km (0.119 R)
• M2: 277,055 km (0.108 R)
• M3: 772,075 km (0.105 R)
• M4: 1,231,490 km (0.094 R)
• M5: 1,405,173 km (0.111 R)
• M6: 1,549,834 km (0.12 R)
• M7: 1,869,076 km (0.046 R)
• M8: 2,099,008 km (0.114 R)
• M9: 2,249,653 km (0.076 R)
• M10: 4,122,020 km (0.047 R)
• M11: 5,432,946 km (0.09 R)
• M12: 5,717,631 km (0.09 R)
• M13: 6,087,586 km (0.078 R)
• M14: 6,201,580 km (0.108 R)
• M15: 6,394,711 km (0.075 R)
• M16: 7,335,532 km (0.098 R)
• M17: 7,551,701 km (0.03 R)
• M18: 8,648,702 km (0.119 R)
• M19: 12,265,081 km (0.102 R)
• M20: 15,825,211 km (0.083 R)
• M21: 17,838,948 km (0.087 R)
• M22: 18,151,158 km (0.095 R)
• M23: 23,373,919 km (0.098 R)
• M24: 32,546,214 km (0.115 R)
• M25: 36,524,171 km (0.11 R)
• M26: 38,955,435 km (0.1 R)
• M27: 42,177,773 km (0.081 R)
• M28: 43,430,506 km (0.118 R)
• M29: 50,222,698 km (0.098 R)
• M30: 51,787,342 km (0.075 R)
• M31: 52,741,627 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.3

Radius: 5.9

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.84 AU - 9.34 AU

Year: 18588 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,943,801 km

• M1: 73,901 km (0.113 R)
• M2: 328,218 km (0.053 R)
• M3: 864,526 km (0.036 R)
• M4: 1,663,977 km (0.06 R)
• M5: 2,964,731 km (0.113 R)
• M6: 3,971,524 km (0.045 R)
• M7: 5,390,310 km (0.092 R)
• M8: 6,441,236 km (0.062 R)
• M9: 9,934,495 km (0.062 R)
• M10: 15,396,314 km (0.082 R)
• M11: 16,311,254 km (0.118 R)
• M12: 28,153,122 km (0.119 R)
• M13: 43,293,773 km (0.086 R)
• M14: 47,560,604 km (0.083 R)
• M15: 49,192,866 km (0.11 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: 543 - 14,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit