🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.6

Radius: 14.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.68 AU - 2.52 AU

Year: 2029 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,209,926 km

• M1: 180,415 km (0.117 R)
• M2: 672,891 km (0.072 R)
• M3: 1,553,275 km (0.097 R)
• M4: 2,058,766 km (0.032 R)
• M5: 2,823,809 km (0.106 R)
• M6: 3,639,118 km (0.112 R)
• M7: 4,645,911 km (0.072 R)
• M8: 5,429,954 km (0.119 R)
• M9: 6,520,074 km (0.118 R)
• M10: 7,078,373 km (0.078 R)
• M11: 8,004,234 km (0.118 R)
• M12: 8,467,239 km (0.1 R)
• M13: 9,009,532 km (0.095 R)
• M14: 10,777,031 km (0.116 R)
• M15: 13,521,104 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 10.9

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.29 AU - 3.13 AU

Year: 2975 Days

Day: 14 Hours

Environment

Temp: -210 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 58,209,926 km

• M1: 135,835 km (0.074 R)
• M2: 825,930 km (0.11 R)
• M3: 2,313,531 km (0.092 R)
• M4: 2,830,242 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.1

Radius: 12.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.19 AU - 4.45 AU

Year: 5988 Days

Day: 14.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,209,926 km

• M1: 155,432 km (0.108 R)
• M2: 865,124 km (0.084 R)
• M3: 1,660,387 km (0.098 R)
• M4: 2,598,365 km (0.099 R)
• M5: 3,205,134 km (0.079 R)
• M6: 4,212,377 km (0.104 R)
• M7: 5,917,493 km (0.116 R)
• M8: 6,415,355 km (0.07 R)
• M9: 6,909,327 km (0.045 R)
• M10: 7,395,371 km (0.093 R)
• M11: 8,804,433 km (0.056 R)
• M12: 10,136,901 km (0.113 R)
• M13: 13,198,721 km (0.096 R)
• M14: 19,827,552 km (0.104 R)
• M15: 21,897,837 km (0.098 R)
• M16: 22,524,951 km (0.11 R)
• M17: 23,961,540 km (0.062 R)
• M18: 25,229,980 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.1

Radius: 14.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.3 AU - 5.8 AU

Year: 7568 Days

Day: 13.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,209,926 km

• M1: 183,706 km (0.083 R)
• M2: 683,213 km (0.11 R)
• M3: 1,201,869 km (0.111 R)
• M4: 1,769,743 km (0.057 R)
• M5: 2,586,697 km (0.083 R)
• M6: 4,674,784 km (0.081 R)
• M7: 5,346,030 km (0.036 R)
• M8: 6,177,644 km (0.044 R)
• M9: 7,566,810 km (0.076 R)
• M10: 10,119,398 km (0.106 R)
• M11: 13,201,115 km (0.06 R)
• M12: 13,695,386 km (0.04 R)
• M13: 14,202,074 km (0.118 R)
• M14: 18,718,583 km (0.052 R)
• M15: 19,696,504 km (0.069 R)
• M16: 22,367,425 km (0.053 R)
• M17: 22,835,068 km (0.089 R)
• M18: 25,779,004 km (0.075 R)
• M19: 26,727,006 km (0.111 R)
• M20: 27,342,152 km (0.119 R)
• M21: 28,601,019 km (0.113 R)
• M22: 29,804,234 km (0.046 R)
• M23: 31,137,600 km (0.092 R)
• M24: 34,644,324 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.2

Radius: 3

Gravity: 41.58 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.04 AU - 7.58 AU

Year: 13180 Days

Day: 22.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,209,926 km

• M1: 37,250 km (0.061 R)
• M2: 209,138 km (0.1 R)
• M3: 380,876 km (0.115 R)
• M4: 538,403 km (0.074 R)
• M5: 3,376,873 km (0.083 R)
• M6: 4,129,051 km (0.066 R)
• M7: 4,558,995 km (0.094 R)
• M8: 4,708,593 km (0.09 R)
• M9: 5,017,961 km (0.088 R)
• M10: 5,406,617 km (0.056 R)
• M11: 5,608,424 km (0.096 R)
• M12: 6,062,753 km (0.086 R)
• M13: 6,655,011 km (0.058 R)
• M14: 7,489,617 km (0.05 R)
• M15: 7,910,586 km (0.051 R)
• M16: 9,125,620 km (0.117 R)
• M17: 11,472,661 km (0.113 R)
• M18: 13,568,228 km (0.069 R)
• M19: 14,705,770 km (0.085 R)
• M20: 15,837,179 km (0.073 R)
• M21: 16,882,419 km (0.116 R)
• M22: 17,096,793 km (0.083 R)
• M23: 17,385,517 km (0.063 R)
• M24: 17,898,637 km (0.047 R)
• M25: 19,031,991 km (0.115 R)
• M26: 20,779,294 km (0.058 R)
• M27: 21,440,367 km (0.097 R)
• M28: 21,607,767 km (0.115 R)
• M29: 27,536,330 km (0.048 R)
• M30: 29,764,890 km (0.073 R)
• M31: 30,077,849 km (0.119 R)
• M32: 34,691,896 km (0.086 R)
• M33: 38,508,137 km (0.114 R)
• M34: 42,992,184 km (0.111 R)
• M35: 46,539,748 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.3

Radius: 5.6

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.3 AU - 9.46 AU

Year: 16177 Days

Day: 16.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,209,926 km

• M1: 69,713 km (0.083 R)
• M2: 450,439 km (0.036 R)
• M3: 811,269 km (0.119 R)
• M4: 1,114,654 km (0.116 R)
• M5: 2,691,864 km (0.063 R)
• M6: 3,298,184 km (0.073 R)
• M7: 4,514,265 km (0.111 R)
• M8: 7,750,067 km (0.029 R)
• M9: 8,919,773 km (0.042 R)
• M10: 9,762,159 km (0.063 R)
• M11: 10,202,575 km (0.107 R)
• M12: 10,862,152 km (0.098 R)
• M13: 18,644,682 km (0.108 R)
• M14: 21,047,822 km (0.076 R)
• M15: 23,216,243 km (0.051 R)
• M16: 23,475,795 km (0.093 R)
• M17: 24,176,961 km (0.09 R)
• M18: 24,892,038 km (0.116 R)
• M19: 26,270,882 km (0.098 R)
• M20: 28,383,952 km (0.07 R)
• M21: 30,711,396 km (0.063 R)
• M22: 32,619,367 km (0.089 R)
• M23: 35,170,310 km (0.111 R)
• M24: 35,742,073 km (0.101 R)
• M25: 39,794,679 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.2

Radius: 4.8

Gravity: 16.15 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.44 AU - 9.66 AU

Year: 18155 Days

Day: 19.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,209,926 km

• M1: 59,690 km (0.103 R)
• M2: 252,072 km (0.056 R)
• M3: 524,939 km (0.115 R)
• M4: 678,875 km (0.101 R)
• M5: 1,035,367 km (0.119 R)
• M6: 1,363,734 km (0.075 R)
• M7: 3,809,360 km (0.068 R)
• M8: 5,323,440 km (0.079 R)
• M9: 5,831,325 km (0.067 R)
• M10: 6,331,281 km (0.076 R)
• M11: 6,611,927 km (0.106 R)
• M12: 8,002,439 km (0.092 R)
• M13: 8,522,441 km (0.056 R)
• M14: 10,885,489 km (0.068 R)
• M15: 11,346,849 km (0.07 R)
• M16: 16,626,158 km (0.107 R)
• M17: 17,083,478 km (0.112 R)
• M18: 17,943,666 km (0.039 R)
• M19: 18,505,855 km (0.099 R)
• M20: 22,588,231 km (0.108 R)
• M21: 23,149,074 km (0.052 R)
• M22: 27,023,060 km (0.115 R)
• M23: 31,538,971 km (0.104 R)
• M24: 32,239,388 km (0.091 R)
• M25: 34,648,812 km (0.076 R)
• M26: 37,434,922 km (0.088 R)
• M27: 38,616,446 km (0.061 R)
• M28: 41,469,727 km (0.095 R)
• M29: 43,591,772 km (0.115 R)
• M30: 47,287,289 km (0.076 R)
• M31: 47,744,460 km (0.103 R)
• M32: 56,311,930 km (0.108 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: 549 - 13,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit