🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.9

Radius: 10.8

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.54 AU - 0.72 AU

Year: 333 Days

Day: 12.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,423,297 km

• M1: 134,937 km (0.097 R)
• M2: 865,723 km (0.086 R)
• M3: 1,382,284 km (0.103 R)
• M4: 2,232,150 km (0.05 R)
• M5: 3,481,142 km (0.11 R)
• M6: 3,982,894 km (0.04 R)
• M7: 4,339,385 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.4

Radius: 13.1

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.56 AU - 0.78 AU

Year: 366 Days

Day: 9.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,423,297 km

• M1: 163,959 km (0.084 R)
• M2: 652,247 km (0.073 R)
• M3: 1,158,037 km (0.106 R)
• M4: 1,606,980 km (0.098 R)
• M5: 2,260,424 km (0.116 R)
• M6: 2,967,423 km (0.117 R)
• M7: 3,497,748 km (0.089 R)
• M8: 4,077,589 km (0.089 R)
• M9: 4,604,473 km (0.087 R)
• M10: 5,239,516 km (0.061 R)
• M11: 5,761,912 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487

Radius: 11.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.64 AU - 0.7 AU

Year: 366 Days

Day: 7.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,423,297 km

• M1: 140,472 km (0.063 R)
• M2: 643,121 km (0.109 R)
• M3: 1,133,204 km (0.032 R)
• M4: 1,993,541 km (0.094 R)
• M5: 2,708,320 km (0.082 R)
• M6: 3,854,539 km (0.101 R)
• M7: 4,392,044 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.4

Radius: 11

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.7 AU - 0.84 AU

Year: 451 Days

Day: 10.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,423,297 km

• M1: 136,882 km (0.08 R)
• M2: 513,270 km (0.1 R)
• M3: 876,494 km (0.068 R)
• M4: 1,268,291 km (0.118 R)
• M5: 1,704,967 km (0.116 R)
• M6: 2,774,293 km (0.076 R)
• M7: 3,390,037 km (0.082 R)
• M8: 3,870,995 km (0.045 R)
• M9: 4,258,004 km (0.087 R)
• M10: 5,188,802 km (0.111 R)
• M11: 5,544,097 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.9

Radius: 13.5

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.52 AU - 2.3 AU

Year: 1760 Days

Day: 5.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,423,297 km

• M1: 167,849 km (0.051 R)
• M2: 617,839 km (0.076 R)
• M3: 2,310,390 km (0.091 R)
• M4: 3,191,671 km (0.081 R)
• M5: 3,881,766 km (0.075 R)
• M6: 4,938,076 km (0.11 R)
• M7: 6,753,596 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.3

Radius: 10.2

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.34 AU - 3.86 AU

Year: 4555 Days

Day: 12.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,423,297 km

• M1: 127,009 km (0.1 R)
• M2: 533,915 km (0.096 R)
• M3: 868,266 km (0.045 R)
• M4: 1,317,808 km (0.116 R)
• M5: 1,827,488 km (0.12 R)
• M6: 2,354,371 km (0.085 R)
• M7: 3,244,778 km (0.088 R)
• M8: 3,566,264 km (0.106 R)
• M9: 4,321,583 km (0.059 R)
• M10: 4,942,414 km (0.087 R)
• M11: 6,517,530 km (0.051 R)
• M12: 6,868,936 km (0.085 R)
• M13: 7,199,398 km (0.118 R)
• M14: 7,540,331 km (0.094 R)
• M15: 9,613,608 km (0.078 R)
• M16: 9,985,957 km (0.085 R)
• M17: 11,852,191 km (0.083 R)
• M18: 13,576,306 km (0.036 R)
• M19: 13,992,786 km (0.076 R)
• M20: 16,555,248 km (0.033 R)
• M21: 17,090,958 km (0.117 R)
• M22: 18,009,489 km (0.057 R)
• M23: 18,385,878 km (0.053 R)
• M24: 20,483,240 km (0.068 R)
• M25: 24,376,225 km (0.106 R)
• M26: 27,892,373 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.3

Radius: 14.3

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.76 AU - 5.58 AU

Year: 6730 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,423,297 km

• M1: 178,021 km (0.104 R)
• M2: 677,529 km (0.025 R)
• M3: 1,214,884 km (0.051 R)
• M4: 2,142,391 km (0.099 R)
• M5: 2,879,609 km (0.118 R)
• M6: 4,175,725 km (0.086 R)
• M7: 5,308,780 km (0.088 R)
• M8: 5,934,847 km (0.059 R)
• M9: 6,471,005 km (0.093 R)
• M10: 7,733,911 km (0.086 R)
• M11: 9,190,695 km (0.085 R)
• M12: 11,791,903 km (0.096 R)
• M13: 12,297,394 km (0.081 R)
• M14: 14,609,429 km (0.092 R)
• M15: 15,792,449 km (0.053 R)
• M16: 17,739,914 km (0.073 R)
• M17: 19,432,913 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.3

Radius: 8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.54 AU - 8.66 AU

Year: 15373 Days

Day: 20.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,423,297 km

• M1: 99,632 km (0.101 R)
• M2: 502,050 km (0.086 R)
• M3: 1,320,351 km (0.046 R)
• M4: 1,887,476 km (0.119 R)
• M5: 2,136,706 km (0.086 R)
• M6: 2,898,459 km (0.114 R)
• M7: 5,613,361 km (0.114 R)
• M8: 5,902,534 km (0.077 R)
• M9: 7,732,714 km (0.113 R)
• M10: 8,010,517 km (0.085 R)
• M11: 8,544,133 km (0.088 R)
• M12: 9,277,462 km (0.075 R)
• M13: 10,051,930 km (0.081 R)
• M14: 12,909,399 km (0.066 R)
• M15: 20,845,865 km (0.1 R)
• M16: 24,560,679 km (0.077 R)
• M17: 24,817,240 km (0.063 R)
• M18: 27,851,683 km (0.087 R)
• M19: 28,884,058 km (0.112 R)
• M20: 29,650,747 km (0.092 R)
• M21: 30,925,470 km (0.1 R)
• M22: 31,829,191 km (0.114 R)
• M23: 35,076,662 km (0.077 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: 386 - 11,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit