🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.3

Radius: 9.8

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.73 AU - 0.97 AU

Year: 514 Days

Day: 6.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,023,559 km

• M1: 121,922 km (0.115 R)
• M2: 614,099 km (0.06 R)
• M3: 988,692 km (0.115 R)
• M4: 1,496,128 km (0.104 R)
• M5: 1,917,396 km (0.074 R)
• M6: 2,358,410 km (0.111 R)
• M7: 3,001,532 km (0.08 R)
• M8: 3,677,864 km (0.098 R)
• M9: 4,130,397 km (0.09 R)
• M10: 4,681,815 km (0.102 R)
• M11: 5,504,005 km (0.057 R)
• M12: 5,913,305 km (0.09 R)
• M13: 6,400,395 km (0.113 R)
• M14: 6,813,136 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.5

Radius: 11.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.67 AU - 1.09 AU

Year: 542 Days

Day: 6 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,023,559 km

• M1: 139,276 km (0.086 R)
• M2: 500,854 km (0.085 R)
• M3: 1,047,634 km (0.114 R)
• M4: 1,454,540 km (0.074 R)
• M5: 1,808,339 km (0.081 R)
• M6: 2,377,858 km (0.107 R)
• M7: 3,032,050 km (0.101 R)
• M8: 3,384,951 km (0.09 R)
• M9: 3,777,795 km (0.086 R)
• M10: 4,281,641 km (0.092 R)
• M11: 4,771,424 km (0.059 R)
• M12: 5,144,072 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.2

Radius: 12

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.85 AU - 1.23 AU

Year: 696 Days

Day: 7.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,023,559 km

• M1: 149,299 km (0.095 R)
• M2: 531,372 km (0.097 R)
• M3: 1,039,107 km (0.07 R)
• M4: 1,724,564 km (0.03 R)
• M5: 2,101,102 km (0.102 R)
• M6: 2,771,749 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.3

Radius: 9

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.98 AU - 1.52 AU

Year: 917 Days

Day: 13.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,023,559 km

• M1: 118,182 km (0.096 R)
• M2: 435,779 km (0.084 R)
• M3: 737,368 km (0.1 R)
• M4: 1,130,960 km (0.1 R)
• M5: 1,432,100 km (0.059 R)
• M6: 1,805,796 km (0.12 R)
• M7: 2,201,333 km (0.076 R)
• M8: 2,582,358 km (0.067 R)
• M9: 2,916,111 km (0.057 R)
• M10: 3,808,463 km (0.062 R)
• M11: 4,110,650 km (0.057 R)
• M12: 4,497,959 km (0.074 R)
• M13: 5,306,835 km (0.103 R)
• M14: 5,787,343 km (0.117 R)
• M15: 6,858,464 km (0.085 R)
• M16: 7,826,661 km (0.047 R)
• M17: 8,423,258 km (0.032 R)
• M18: 9,218,071 km (0.12 R)
• M19: 9,648,464 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.3

Radius: 14.4

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.57 AU - 2.31 AU

Year: 1773 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,023,559 km

• M1: 180,116 km (0.09 R)
• M2: 642,672 km (0.08 R)
• M3: 1,423,573 km (0.103 R)
• M4: 2,563,210 km (0.12 R)
• M5: 3,337,528 km (0.09 R)
• M6: 4,388,304 km (0.071 R)
• M7: 4,971,885 km (0.1 R)
• M8: 6,891,974 km (0.083 R)
• M9: 8,170,288 km (0.095 R)
• M10: 9,326,829 km (0.066 R)
• M11: 10,425,924 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.4

Radius: 13.3

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.24 AU - 2.72 AU

Year: 2562 Days

Day: 6.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,023,559 km

• M1: 165,754 km (0.101 R)
• M2: 665,711 km (0.086 R)
• M3: 1,414,597 km (0.118 R)
• M4: 1,901,539 km (0.038 R)
• M5: 2,515,638 km (0.065 R)
• M6: 3,313,294 km (0.06 R)
• M7: 3,920,960 km (0.082 R)
• M8: 4,359,581 km (0.115 R)
• M9: 5,411,553 km (0.081 R)
• M10: 6,120,049 km (0.066 R)
• M11: 6,801,018 km (0.068 R)
• M12: 9,008,036 km (0.066 R)
• M13: 10,274,831 km (0.108 R)
• M14: 13,484,902 km (0.095 R)
• M15: 14,590,280 km (0.097 R)
• M16: 15,292,194 km (0.12 R)
• M17: 18,500,469 km (0.107 R)
• M18: 20,169,982 km (0.108 R)
• M19: 21,486,443 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.8

Radius: 14.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.75 AU - 3.37 AU

Year: 3511 Days

Day: 9.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,023,559 km

• M1: 221,106 km (0.049 R)
• M2: 725,101 km (0.047 R)
• M3: 1,648,269 km (0.041 R)
• M4: 2,541,817 km (0.1 R)
• M5: 4,120,524 km (0.072 R)
• M6: 4,787,880 km (0.056 R)
• M7: 5,966,262 km (0.113 R)
• M8: 7,999,896 km (0.106 R)
• M9: 9,155,838 km (0.091 R)
• M10: 10,093,817 km (0.097 R)
• M11: 10,712,105 km (0.083 R)
• M12: 12,532,113 km (0.025 R)
• M13: 13,053,611 km (0.093 R)
• M14: 14,089,875 km (0.114 R)
• M15: 18,545,648 km (0.085 R)
• M16: 19,349,288 km (0.054 R)
• M17: 20,565,369 km (0.09 R)
• M18: 21,967,999 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.1

Radius: 15

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.09 AU - 4.49 AU

Year: 4840 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,023,559 km

• M1: 235,317 km (0.09 R)
• M2: 780,003 km (0.067 R)
• M3: 1,494,483 km (0.103 R)
• M4: 2,175,751 km (0.106 R)
• M5: 3,480,544 km (0.081 R)
• M6: 4,417,775 km (0.119 R)
• M7: 5,517,618 km (0.104 R)
• M8: 6,232,397 km (0.045 R)
• M9: 6,915,760 km (0.112 R)
• M10: 8,972,880 km (0.064 R)
• M11: 9,885,128 km (0.077 R)
• M12: 12,208,981 km (0.07 R)
• M13: 13,620,138 km (0.046 R)
• M14: 14,466,712 km (0.11 R)
• M15: 17,047,575 km (0.076 R)
• M16: 18,149,363 km (0.055 R)
• M17: 20,111,788 km (0.112 R)
• M18: 22,280,060 km (0.079 R)
• M19: 23,315,576 km (0.1 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 10,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit