🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.8

Radius: 14.1

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.17 AU - 1.29 AU

Year: 881 Days

Day: 9.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,856,037 km

• M1: 175,478 km (0.091 R)
• M2: 696,079 km (0.101 R)
• M3: 1,166,265 km (0.104 R)
• M4: 1,636,302 km (0.11 R)
• M5: 2,321,609 km (0.118 R)
• M6: 2,940,496 km (0.074 R)
• M7: 3,931,432 km (0.107 R)
• M8: 4,461,756 km (0.07 R)
• M9: 5,485,754 km (0.072 R)
• M10: 6,107,483 km (0.104 R)
• M11: 6,593,077 km (0.05 R)
• M12: 7,642,058 km (0.07 R)
• M13: 8,207,089 km (0.109 R)
• M14: 8,799,796 km (0.064 R)
• M15: 9,831,273 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.2

Radius: 14.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.42 AU - 1.6 AU

Year: 1198 Days

Day: 14.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,856,037 km

• M1: 189,690 km (0.112 R)
• M2: 659,727 km (0.109 R)
• M3: 1,336,956 km (0.084 R)
• M4: 2,624,695 km (0.042 R)
• M5: 3,251,510 km (0.085 R)
• M6: 3,846,909 km (0.034 R)
• M7: 4,514,565 km (0.119 R)
• M8: 5,330,322 km (0.089 R)
• M9: 6,162,684 km (0.074 R)
• M10: 7,124,150 km (0.094 R)
• M11: 7,664,348 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.6

Radius: 8.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.01 AU - 2.31 AU

Year: 2050 Days

Day: 8.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,856,037 km

• M1: 111,450 km (0.092 R)
• M2: 404,064 km (0.086 R)
• M3: 1,006,345 km (0.103 R)
• M4: 1,669,213 km (0.038 R)
• M5: 2,585,051 km (0.067 R)
• M6: 3,445,239 km (0.086 R)
• M7: 3,770,914 km (0.066 R)
• M8: 4,168,395 km (0.08 R)
• M9: 5,346,179 km (0.078 R)
• M10: 5,741,417 km (0.097 R)
• M11: 8,425,801 km (0.1 R)
• M12: 9,194,435 km (0.12 R)
• M13: 9,947,062 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 9.4

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.14 AU - 3.14 AU

Year: 2770 Days

Day: 6 Hours

Environment

Temp: -203 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,856,037 km

• M1: 118,332 km (0.093 R)
• M2: 516,412 km (0.05 R)
• M3: 1,142,180 km (0.11 R)
• M4: 1,930,710 km (0.094 R)
• M5: 2,839,816 km (0.057 R)
• M6: 3,523,329 km (0.093 R)
• M7: 3,875,482 km (0.109 R)
• M8: 4,804,336 km (0.038 R)
• M9: 5,501,761 km (0.096 R)
• M10: 5,926,020 km (0.11 R)
• M11: 7,450,273 km (0.11 R)
• M12: 7,845,810 km (0.095 R)
• M13: 8,946,850 km (0.099 R)
• M14: 9,429,004 km (0.101 R)
• M15: 10,001,066 km (0.083 R)
• M16: 10,941,289 km (0.105 R)
• M17: 13,040,297 km (0.101 R)
• M18: 15,152,020 km (0.089 R)
• M19: 15,541,274 km (0.094 R)
• M20: 16,594,892 km (0.072 R)
• M21: 16,956,470 km (0.115 R)
• M22: 17,323,284 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.9

Radius: 8

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.16 AU - 3.2 AU

Year: 2833 Days

Day: 6.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,856,037 km

• M1: 231,877 km (0.104 R)
• M2: 483,500 km (0.106 R)
• M3: 834,158 km (0.062 R)
• M4: 1,577,210 km (0.114 R)
• M5: 2,443,681 km (0.1 R)
• M6: 2,767,112 km (0.087 R)
• M7: 3,260,785 km (0.062 R)
• M8: 5,026,339 km (0.099 R)
• M9: 6,309,290 km (0.04 R)
• M10: 6,981,284 km (0.105 R)
• M11: 7,895,626 km (0.065 R)
• M12: 9,769,489 km (0.094 R)
• M13: 10,993,349 km (0.1 R)
• M14: 12,008,670 km (0.057 R)
• M15: 13,039,250 km (0.07 R)
• M16: 13,411,150 km (0.089 R)
• M17: 16,109,447 km (0.083 R)
• M18: 19,030,644 km (0.105 R)
• M19: 19,389,081 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.9

Radius: 12

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.16 AU - 4.68 AU

Year: 6000 Days

Day: 5.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 27,856,037 km

• M1: 154,535 km (0.033 R)
• M2: 557,252 km (0.056 R)
• M3: 950,246 km (0.056 R)
• M4: 1,378,993 km (0.054 R)
• M5: 2,067,443 km (0.11 R)
• M6: 2,458,491 km (0.05 R)
• M7: 3,051,198 km (0.071 R)
• M8: 3,540,682 km (0.088 R)
• M9: 3,941,904 km (0.117 R)
• M10: 4,448,592 km (0.038 R)
• M11: 4,836,798 km (0.095 R)
• M12: 5,304,441 km (0.095 R)
• M13: 7,886,800 km (0.078 R)
• M14: 8,814,456 km (0.055 R)
• M15: 9,556,761 km (0.063 R)
• M16: 10,295,625 km (0.116 R)
• M17: 10,702,082 km (0.081 R)
• M18: 12,035,597 km (0.094 R)
• M19: 16,948,392 km (0.097 R)
• M20: 18,490,147 km (0.08 R)
• M21: 20,617,579 km (0.093 R)
• M22: 21,192,184 km (0.112 R)
• M23: 25,272,017 km (0.109 R)
• M24: 27,712,557 km (0.063 R)
• M25: 28,766,923 km (0.094 R)
• M26: 30,955,689 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.1

Radius: 9.4

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.34 AU - 5.96 AU

Year: 7546 Days

Day: 5.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,856,037 km

• M1: 116,986 km (0.112 R)
• M2: 432,936 km (0.069 R)
• M3: 759,060 km (0.083 R)
• M4: 1,522,009 km (0.087 R)
• M5: 2,627,836 km (0.061 R)
• M6: 3,089,794 km (0.063 R)
• M7: 10,045,048 km (0.063 R)
• M8: 10,863,648 km (0.032 R)
• M9: 11,448,875 km (0.102 R)
• M10: 15,467,373 km (0.107 R)
• M11: 15,920,505 km (0.069 R)
• M12: 16,972,477 km (0.103 R)
• M13: 19,409,576 km (0.117 R)
• M14: 19,738,093 km (0.111 R)
• M15: 20,271,409 km (0.079 R)
• M16: 22,429,059 km (0.107 R)
• M17: 23,156,554 km (0.062 R)
• M18: 23,824,658 km (0.116 R)
• M19: 24,889,495 km (0.091 R)
• M20: 25,199,462 km (0.09 R)
• M21: 26,950,655 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 10,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit