🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42

Radius: 15

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.63 AU - 0.75 AU

Year: 389 Days

Day: 7.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 84,829,805 km

• M1: 187,745 km (0.068 R)
• M2: 951,442 km (0.095 R)
• M3: 1,456,335 km (0.084 R)
• M4: 2,007,155 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.7

Radius: 9.2

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.34 AU - 1.52 AU

Year: 1160 Days

Day: 5.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 117.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,829,805 km

• M1: 114,592 km (0.095 R)
• M2: 474,824 km (0.118 R)
• M3: 783,294 km (0.11 R)
• M4: 1,519,017 km (0.086 R)
• M5: 2,085,245 km (0.067 R)
• M6: 2,465,074 km (0.106 R)
• M7: 3,163,696 km (0.026 R)
• M8: 5,124,475 km (0.088 R)
• M9: 5,820,704 km (0.09 R)
• M10: 6,486,115 km (0.105 R)
• M11: 7,078,672 km (0.064 R)
• M12: 7,578,329 km (0.046 R)
• M13: 8,074,545 km (0.11 R)
• M14: 8,732,327 km (0.111 R)
• M15: 10,123,288 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755

Radius: 12.6

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.02 AU - 2.38 AU

Year: 2213 Days

Day: 9.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,829,805 km

• M1: 156,779 km (0.063 R)
• M2: 550,969 km (0.068 R)
• M3: 1,246,749 km (0.119 R)
• M4: 1,804,150 km (0.082 R)
• M5: 2,624,096 km (0.059 R)
• M6: 3,226,976 km (0.069 R)
• M7: 3,826,564 km (0.118 R)
• M8: 4,293,608 km (0.036 R)
• M9: 6,804,310 km (0.102 R)
• M10: 7,553,047 km (0.075 R)
• M11: 8,102,969 km (0.106 R)
• M12: 9,283,146 km (0.078 R)
• M13: 10,059,110 km (0.12 R)
• M14: 11,108,390 km (0.114 R)
• M15: 11,780,384 km (0.068 R)
• M16: 14,696,046 km (0.065 R)
• M17: 15,506,268 km (0.089 R)
• M18: 16,145,649 km (0.059 R)
• M19: 17,215,873 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.3

Radius: 11.5

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.14 AU - 3.42 AU

Year: 4029 Days

Day: 12.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,829,805 km

• M1: 143,016 km (0.12 R)
• M2: 661,821 km (0.091 R)
• M3: 1,225,506 km (0.045 R)
• M4: 1,779,915 km (0.111 R)
• M5: 2,529,102 km (0.115 R)
• M6: 2,985,973 km (0.114 R)
• M7: 3,639,716 km (0.078 R)
• M8: 4,023,136 km (0.087 R)
• M9: 5,024,693 km (0.111 R)
• M10: 6,274,583 km (0.049 R)
• M11: 6,924,437 km (0.086 R)
• M12: 7,550,504 km (0.116 R)
• M13: 10,105,336 km (0.066 R)
• M14: 11,130,680 km (0.077 R)
• M15: 12,130,443 km (0.064 R)
• M16: 12,556,198 km (0.034 R)
• M17: 14,151,809 km (0.118 R)
• M18: 14,998,533 km (0.029 R)
• M19: 15,434,312 km (0.096 R)
• M20: 16,103,912 km (0.114 R)
• M21: 18,291,032 km (0.063 R)
• M22: 18,663,382 km (0.118 R)
• M23: 19,423,638 km (0.077 R)
• M24: 22,459,128 km (0.112 R)
• M25: 23,904,693 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.1

Radius: 12.2

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.79 AU - 4.43 AU

Year: 4652 Days

Day: 12.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,829,805 km

• M1: 156,928 km (0.114 R)
• M2: 588,368 km (0.04 R)
• M3: 1,728,753 km (0.117 R)
• M4: 2,115,613 km (0.119 R)
• M5: 3,149,933 km (0.084 R)
• M6: 3,902,260 km (0.064 R)
• M7: 6,780,075 km (0.067 R)
• M8: 8,221,151 km (0.092 R)
• M9: 13,808,631 km (0.096 R)
• M10: 16,608,206 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.6

Radius: 11.9

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.38 AU - 5.48 AU

Year: 7424 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,829,805 km

• M1: 152,739 km (0.084 R)
• M2: 562,338 km (0.082 R)
• M3: 1,032,824 km (0.083 R)
• M4: 1,431,053 km (0.099 R)
• M5: 1,933,852 km (0.058 R)
• M6: 2,332,979 km (0.102 R)
• M7: 2,931,221 km (0.082 R)
• M8: 3,416,217 km (0.111 R)
• M9: 4,548,822 km (0.071 R)
• M10: 6,622,399 km (0.102 R)
• M11: 8,944,008 km (0.08 R)
• M12: 10,816,375 km (0.076 R)
• M13: 11,388,736 km (0.064 R)
• M14: 12,937,074 km (0.117 R)
• M15: 14,248,898 km (0.077 R)
• M16: 14,747,208 km (0.086 R)
• M17: 16,447,687 km (0.104 R)
• M18: 17,628,164 km (0.089 R)
• M19: 19,313,833 km (0.089 R)
• M20: 20,469,626 km (0.094 R)
• M21: 21,999,264 km (0.105 R)
• M22: 23,003,665 km (0.06 R)
• M23: 24,390,287 km (0.057 R)
• M24: 25,104,168 km (0.087 R)
• M25: 25,648,705 km (0.083 R)
• M26: 26,949,757 km (0.054 R)
• M27: 28,588,303 km (0.077 R)
• M28: 29,986,744 km (0.086 R)
• M29: 32,275,741 km (0.085 R)
• M30: 33,901,720 km (0.115 R)
• M31: 35,695,548 km (0.083 R)
• M32: 38,025,834 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.3

Radius: 7.1

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.17 AU - 6.77 AU

Year: 9894 Days

Day: 22.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,829,805 km

• M1: 115,490 km (0.104 R)
• M2: 340,186 km (0.109 R)
• M3: 908,358 km (0.084 R)
• M4: 1,193,043 km (0.073 R)
• M5: 1,536,969 km (0.118 R)
• M6: 1,895,106 km (0.116 R)
• M7: 3,437,310 km (0.105 R)
• M8: 4,253,067 km (0.08 R)
• M9: 4,521,446 km (0.048 R)
• M10: 5,533,326 km (0.061 R)
• M11: 6,492,248 km (0.1 R)
• M12: 6,768,406 km (0.076 R)
• M13: 7,429,030 km (0.059 R)
• M14: 7,819,032 km (0.087 R)
• M15: 13,182,265 km (0.093 R)
• M16: 13,818,804 km (0.095 R)
• M17: 15,222,032 km (0.09 R)
• M18: 15,922,449 km (0.116 R)
• M19: 20,331,547 km (0.084 R)
• M20: 21,789,229 km (0.12 R)
• M21: 22,319,853 km (0.088 R)
• M22: 22,768,796 km (0.049 R)
• M23: 24,151,379 km (0.119 R)
• M24: 30,903,479 km (0.117 R)
• M25: 34,468,995 km (0.115 R)
• M26: 41,183,845 km (0.075 R)
• M27: 42,678,926 km (0.081 R)
• M28: 45,060,075 km (0.047 R)
• M29: 45,345,957 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930

Radius: 7.9

Gravity: 14.9 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.38 AU - 10.84 AU

Year: 20206 Days

Day: 15.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,829,805 km

• M1: 103,671 km (0.092 R)
• M2: 499,956 km (0.106 R)
• M3: 765,941 km (0.087 R)
• M4: 1,344,286 km (0.083 R)
• M5: 1,639,593 km (0.09 R)
• M6: 1,918,742 km (0.088 R)
• M7: 4,530,871 km (0.113 R)
• M8: 4,933,588 km (0.036 R)
• M9: 6,242,270 km (0.113 R)
• M10: 6,602,652 km (0.106 R)
• M11: 7,072,688 km (0.06 R)
• M12: 8,895,389 km (0.051 R)
• M13: 9,527,589 km (0.045 R)
• M14: 10,437,593 km (0.056 R)
• M15: 14,427,368 km (0.103 R)
• M16: 15,218,891 km (0.079 R)
• M17: 17,588,970 km (0.106 R)
• M18: 33,060,232 km (0.09 R)
• M19: 33,331,902 km (0.112 R)
• M20: 33,742,249 km (0.094 R)
• M21: 37,146,797 km (0.114 R)
• M22: 38,630,509 km (0.091 R)
• M23: 40,773,498 km (0.055 R)
• M24: 41,557,690 km (0.102 R)
• M25: 46,816,504 km (0.107 R)
• M26: 55,510,384 km (0.111 R)
• M27: 60,640,394 km (0.09 R)
• M28: 61,251,951 km (0.066 R)
• M29: 76,004,245 km (0.105 R)
• M30: 79,359,576 km (0.109 R)
• M31: 83,565,221 km (0.076 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 13,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit