🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668

Radius: 14.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.62 AU - 0.84 AU

Year: 409 Days

Day: 14.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,656,007 km

• M1: 185,053 km (0.054 R)
• M2: 754,572 km (0.099 R)
• M3: 1,282,802 km (0.034 R)
• M4: 1,969,905 km (0.062 R)
• M5: 2,647,733 km (0.095 R)
• M6: 3,183,592 km (0.079 R)
• M7: 4,298,545 km (0.107 R)
• M8: 5,029,780 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.8

Radius: 13.6

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.75 AU - 0.87 AU

Year: 478 Days

Day: 12.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 55,656,007 km

• M1: 169,195 km (0.103 R)
• M2: 668,852 km (0.067 R)
• M3: 1,192,145 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.4

Radius: 14.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.22 AU - 1.22 AU

Year: 884 Days

Day: 11.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,656,007 km

• M1: 178,021 km (0.086 R)
• M2: 661,223 km (0.056 R)
• M3: 1,180,028 km (0.117 R)
• M4: 1,870,572 km (0.069 R)
• M5: 2,716,099 km (0.117 R)
• M6: 3,588,554 km (0.1 R)
• M7: 4,075,944 km (0.114 R)
• M8: 5,578,056 km (0.052 R)
• M9: 6,031,038 km (0.096 R)
• M10: 6,702,583 km (0.117 R)
• M11: 7,238,592 km (0.115 R)
• M12: 8,022,485 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 14.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.74 AU - 2.32 AU

Year: 1897 Days

Day: 7.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,656,007 km

• M1: 176,525 km (0.09 R)
• M2: 690,394 km (0.102 R)
• M3: 1,453,792 km (0.078 R)
• M4: 3,010,059 km (0.114 R)
• M5: 4,150,443 km (0.119 R)
• M6: 7,677,662 km (0.105 R)
• M7: 8,219,655 km (0.077 R)
• M8: 9,080,740 km (0.092 R)
• M9: 11,171,670 km (0.099 R)
• M10: 11,711,569 km (0.078 R)
• M11: 12,390,743 km (0.049 R)
• M12: 13,828,079 km (0.107 R)
• M13: 14,632,617 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.5

Radius: 14.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.84 AU - 2.46 AU

Year: 2068 Days

Day: 11.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,656,007 km

• M1: 175,329 km (0.067 R)
• M2: 1,289,384 km (0.084 R)
• M3: 2,208,065 km (0.079 R)
• M4: 2,672,267 km (0.099 R)
• M5: 3,337,229 km (0.117 R)
• M6: 3,897,174 km (0.109 R)
• M7: 6,437,944 km (0.095 R)
• M8: 7,489,169 km (0.104 R)
• M9: 12,480,801 km (0.04 R)
• M10: 13,479,367 km (0.118 R)
• M11: 14,530,292 km (0.062 R)
• M12: 15,196,451 km (0.061 R)
• M13: 17,212,432 km (0.078 R)
• M14: 17,743,205 km (0.112 R)
• M15: 18,394,405 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.2

Radius: 10.7

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.29 AU - 2.37 AU

Year: 2333 Days

Day: 6.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,656,007 km

• M1: 133,142 km (0.101 R)
• M2: 505,940 km (0.103 R)
• M3: 1,037,162 km (0.119 R)
• M4: 2,305,303 km (0.115 R)
• M5: 2,640,402 km (0.045 R)
• M6: 3,483,536 km (0.071 R)
• M7: 4,603,276 km (0.033 R)
• M8: 5,082,438 km (0.114 R)
• M9: 6,450,062 km (0.102 R)
• M10: 6,909,327 km (0.059 R)
• M11: 9,483,159 km (0.066 R)
• M12: 9,896,946 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.1

Radius: 12.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.63 AU - 3.71 AU

Year: 3703 Days

Day: 6.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,656,007 km

• M1: 159,621 km (0.114 R)
• M2: 625,917 km (0.099 R)
• M3: 1,502,711 km (0.118 R)
• M4: 2,384,590 km (0.111 R)
• M5: 2,903,246 km (0.05 R)
• M6: 3,453,018 km (0.116 R)
• M7: 5,966,861 km (0.088 R)
• M8: 7,663,001 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.4

Radius: 7.7

Gravity: 16.08 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.1 AU - 7.14 AU

Year: 9932 Days

Day: 23.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,656,007 km

• M1: 96,790 km (0.065 R)
• M2: 534,064 km (0.108 R)
• M3: 858,841 km (0.084 R)
• M4: 1,154,148 km (0.058 R)
• M5: 1,488,948 km (0.101 R)
• M6: 2,618,412 km (0.114 R)
• M7: 3,201,993 km (0.113 R)
• M8: 3,602,317 km (0.077 R)
• M9: 4,353,448 km (0.069 R)
• M10: 4,750,480 km (0.12 R)
• M11: 5,442,520 km (0.079 R)
• M12: 6,162,535 km (0.084 R)
• M13: 6,703,331 km (0.077 R)
• M14: 7,191,618 km (0.1 R)
• M15: 8,102,819 km (0.117 R)
• M16: 9,944,070 km (0.081 R)
• M17: 11,410,877 km (0.115 R)
• M18: 12,166,346 km (0.065 R)
• M19: 12,892,793 km (0.095 R)
• M20: 13,329,769 km (0.115 R)
• M21: 20,277,243 km (0.08 R)
• M22: 21,470,735 km (0.047 R)
• M23: 28,777,843 km (0.117 R)
• M24: 31,278,521 km (0.103 R)
• M25: 35,721,428 km (0.079 R)
• M26: 38,348,517 km (0.092 R)
• M27: 39,512,837 km (0.094 R)
• M28: 43,983,868 km (0.114 R)
• M29: 44,406,333 km (0.118 R)
• M30: 48,480,631 km (0.075 R)
• M31: 51,538,860 km (0.045 R)
• M32: 53,274,495 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.7

Radius: 6

Gravity: 20.8 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.67 AU - 7.19 AU

Year: 11968 Days

Day: 19.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,656,007 km

• M1: 107,561 km (0.105 R)
• M2: 582,085 km (0.063 R)
• M3: 862,282 km (0.099 R)
• M4: 1,168,659 km (0.079 R)
• M5: 1,487,003 km (0.083 R)
• M6: 2,844,604 km (0.073 R)
• M7: 3,961,651 km (0.093 R)
• M8: 4,341,330 km (0.092 R)
• M9: 4,586,820 km (0.026 R)
• M10: 6,454,849 km (0.118 R)
• M11: 7,148,085 km (0.103 R)
• M12: 7,404,197 km (0.087 R)
• M13: 9,887,970 km (0.101 R)
• M14: 10,422,184 km (0.04 R)
• M15: 10,919,149 km (0.109 R)
• M16: 12,752,620 km (0.084 R)
• M17: 15,128,234 km (0.077 R)
• M18: 16,126,800 km (0.104 R)
• M19: 17,861,387 km (0.112 R)
• M20: 24,281,380 km (0.085 R)
• M21: 24,763,534 km (0.076 R)
• M22: 31,511,894 km (0.083 R)
• M23: 34,814,416 km (0.09 R)
• M24: 36,047,701 km (0.079 R)
• M25: 45,799,089 km (0.116 R)
• M26: 48,789,850 km (0.101 R)
• M27: 50,021,788 km (0.117 R)
• M28: 52,067,688 km (0.079 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 16,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit