🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.6

Radius: 10.3

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.39 AU - 0.65 AU

Year: 264 Days

Day: 11.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,662,259 km

• M1: 128,056 km (0.112 R)
• M2: 450,140 km (0.09 R)
• M3: 981,512 km (0.052 R)
• M4: 1,330,224 km (0.109 R)
• M5: 1,710,652 km (0.111 R)
• M6: 2,043,208 km (0.07 R)
• M7: 2,370,079 km (0.114 R)
• M8: 2,731,956 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.7

Radius: 9.4

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.53 AU - 0.53 AU

Year: 271 Days

Day: 8.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,662,259 km

• M1: 117,135 km (0.105 R)
• M2: 410,497 km (0.066 R)
• M3: 727,345 km (0.094 R)
• M4: 1,193,791 km (0.111 R)
• M5: 1,565,841 km (0.119 R)
• M6: 1,864,438 km (0.047 R)
• M7: 2,414,061 km (0.096 R)
• M8: 2,711,761 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.4

Radius: 13.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.66 AU - 0.8 AU

Year: 438 Days

Day: 8.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,662,259 km

• M1: 171,589 km (0.085 R)
• M2: 616,493 km (0.08 R)
• M3: 1,161,927 km (0.094 R)
• M4: 1,804,898 km (0.034 R)
• M5: 2,970,116 km (0.113 R)
• M6: 3,871,593 km (0.107 R)
• M7: 4,872,103 km (0.113 R)
• M8: 5,557,710 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.9

Radius: 9.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.04 AU - 1.08 AU

Year: 767 Days

Day: 13.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 73,662,259 km

• M1: 117,285 km (0.113 R)
• M2: 447,148 km (0.113 R)
• M3: 958,474 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.6

Radius: 9.8

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.99 AU - 1.63 AU

Year: 1054 Days

Day: 5.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,662,259 km

• M1: 122,072 km (0.089 R)
• M2: 435,779 km (0.057 R)
• M3: 790,326 km (0.104 R)
• M4: 1,200,822 km (0.118 R)
• M5: 1,522,607 km (0.11 R)
• M6: 1,930,261 km (0.095 R)
• M7: 2,314,578 km (0.101 R)
• M8: 2,993,603 km (0.12 R)
• M9: 3,711,972 km (0.052 R)
• M10: 4,042,284 km (0.097 R)
• M11: 4,507,833 km (0.063 R)
• M12: 6,737,290 km (0.092 R)
• M13: 8,779,450 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.5

Radius: 11.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.64 AU - 1.84 AU

Year: 1613 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,662,259 km

• M1: 146,456 km (0.068 R)
• M2: 602,580 km (0.099 R)
• M3: 1,027,588 km (0.072 R)
• M4: 1,406,519 km (0.117 R)
• M5: 1,782,758 km (0.091 R)
• M6: 2,361,702 km (0.098 R)
• M7: 2,889,932 km (0.093 R)
• M8: 3,419,059 km (0.092 R)
• M9: 3,843,768 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.2

Radius: 14.6

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.67 AU - 2.95 AU

Year: 3311 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,662,259 km

• M1: 181,612 km (0.116 R)
• M2: 653,443 km (0.106 R)
• M3: 1,170,753 km (0.025 R)
• M4: 1,726,808 km (0.09 R)
• M5: 2,582,957 km (0.081 R)
• M6: 4,149,396 km (0.11 R)
• M7: 5,636,399 km (0.079 R)
• M8: 6,728,314 km (0.081 R)
• M9: 7,753,508 km (0.078 R)
• M10: 9,445,161 km (0.09 R)
• M11: 10,194,796 km (0.095 R)
• M12: 11,415,365 km (0.081 R)
• M13: 12,358,579 km (0.034 R)
• M14: 12,825,624 km (0.087 R)
• M15: 13,995,030 km (0.113 R)
• M16: 14,554,377 km (0.096 R)
• M17: 15,181,342 km (0.112 R)
• M18: 16,602,072 km (0.113 R)
• M19: 18,289,536 km (0.112 R)
• M20: 19,081,956 km (0.034 R)
• M21: 22,760,418 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.2

Radius: 8.1

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.02 AU - 3.12 AU

Year: 3781 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 178.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,662,259 km

• M1: 100,679 km (0.098 R)
• M2: 378,034 km (0.074 R)
• M3: 785,239 km (0.072 R)
• M4: 1,303,297 km (0.116 R)
• M5: 1,912,609 km (0.058 R)
• M6: 2,230,803 km (0.085 R)
• M7: 2,834,730 km (0.078 R)
• M8: 3,175,364 km (0.113 R)
• M9: 3,748,025 km (0.049 R)
• M10: 4,114,540 km (0.102 R)
• M11: 4,576,498 km (0.049 R)
• M12: 6,200,981 km (0.1 R)
• M13: 6,530,246 km (0.101 R)
• M14: 6,966,474 km (0.119 R)
• M15: 8,177,468 km (0.103 R)
• M16: 9,135,344 km (0.054 R)
• M17: 9,641,433 km (0.118 R)
• M18: 11,360,911 km (0.103 R)
• M19: 11,809,406 km (0.085 R)
• M20: 12,363,217 km (0.099 R)
• M21: 18,828,089 km (0.059 R)
• M22: 19,647,736 km (0.054 R)
• M23: 24,252,956 km (0.066 R)
• M24: 24,846,860 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.4

Radius: 6.5

Gravity: 15.39 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.27 AU - 10.09 AU

Year: 19551 Days

Day: 19.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,662,259 km

• M1: 80,783 km (0.036 R)
• M2: 634,893 km (0.088 R)
• M3: 999,613 km (0.11 R)
• M4: 1,244,355 km (0.03 R)
• M5: 1,513,033 km (0.107 R)
• M6: 2,251,747 km (0.075 R)
• M7: 2,797,929 km (0.044 R)
• M8: 3,838,233 km (0.086 R)
• M9: 4,055,000 km (0.114 R)
• M10: 4,279,845 km (0.082 R)
• M11: 4,825,429 km (0.106 R)
• M12: 5,041,598 km (0.074 R)
• M13: 7,103,804 km (0.095 R)
• M14: 8,475,318 km (0.112 R)
• M15: 8,737,563 km (0.076 R)
• M16: 11,667,288 km (0.11 R)
• M17: 12,256,254 km (0.118 R)
• M18: 12,796,303 km (0.11 R)
• M19: 13,211,736 km (0.062 R)
• M20: 13,996,526 km (0.094 R)
• M21: 20,009,613 km (0.104 R)
• M22: 21,525,039 km (0.104 R)
• M23: 22,310,578 km (0.06 R)
• M24: 22,610,073 km (0.093 R)
• M25: 23,627,936 km (0.08 R)
• M26: 33,412,086 km (0.085 R)
• M27: 40,060,515 km (0.078 R)
• M28: 40,799,827 km (0.101 R)
• M29: 47,046,137 km (0.068 R)
• M30: 49,883,410 km (0.082 R)
• M31: 54,080,079 km (0.039 R)
• M32: 69,335,023 km (0.049 R)
• M33: 70,186,534 km (0.069 R)
• M34: 71,693,433 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 15,104 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit