🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.6

Radius: 12.1

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.78 AU - 1.86 AU

Year: 1695 Days

Day: 7.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,867,636 km

• M1: 150,495 km (0.062 R)
• M2: 536,608 km (0.107 R)
• M3: 1,024,596 km (0.114 R)
• M4: 1,755,381 km (0.057 R)
• M5: 2,365,741 km (0.076 R)
• M6: 2,900,254 km (0.119 R)
• M7: 3,574,492 km (0.113 R)
• M8: 4,402,815 km (0.061 R)
• M9: 5,023,347 km (0.099 R)
• M10: 6,084,594 km (0.095 R)
• M11: 7,070,444 km (0.087 R)
• M12: 7,690,827 km (0.117 R)
• M13: 8,483,097 km (0.116 R)
• M14: 9,012,374 km (0.112 R)
• M15: 9,623,033 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.4

Radius: 8.7

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.62 AU - 2.12 AU

Year: 1765 Days

Day: 5.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,867,636 km

• M1: 108,159 km (0.074 R)
• M2: 509,530 km (0.088 R)
• M3: 793,168 km (0.109 R)
• M4: 1,356,853 km (0.118 R)
• M5: 2,032,885 km (0.1 R)
• M6: 2,707,721 km (0.055 R)
• M7: 2,994,650 km (0.1 R)
• M8: 3,612,340 km (0.095 R)
• M9: 4,454,725 km (0.1 R)
• M10: 4,988,640 km (0.116 R)
• M11: 6,848,591 km (0.071 R)
• M12: 7,298,431 km (0.094 R)
• M13: 7,888,296 km (0.102 R)
• M14: 8,605,618 km (0.116 R)
• M15: 9,196,679 km (0.117 R)
• M16: 10,867,986 km (0.079 R)
• M17: 12,196,864 km (0.094 R)
• M18: 12,985,095 km (0.1 R)
• M19: 13,283,842 km (0.117 R)
• M20: 15,363,103 km (0.108 R)
• M21: 16,331,300 km (0.102 R)
• M22: 16,629,599 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.7

Radius: 14

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.45 AU - 3.39 AU

Year: 3444 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,867,636 km

• M1: 174,581 km (0.05 R)
• M2: 642,523 km (0.108 R)
• M3: 1,698,534 km (0.058 R)
• M4: 2,622,899 km (0.106 R)
• M5: 3,095,030 km (0.069 R)
• M6: 3,820,730 km (0.12 R)
• M7: 4,322,182 km (0.097 R)
• M8: 5,331,668 km (0.109 R)
• M9: 6,014,882 km (0.102 R)
• M10: 6,579,763 km (0.093 R)
• M11: 7,718,652 km (0.084 R)
• M12: 8,877,437 km (0.11 R)
• M13: 9,725,058 km (0.12 R)
• M14: 11,927,737 km (0.061 R)
• M15: 13,006,488 km (0.119 R)
• M16: 14,247,402 km (0.118 R)
• M17: 18,095,957 km (0.1 R)
• M18: 19,398,206 km (0.107 R)
• M19: 20,196,610 km (0.081 R)
• M20: 21,209,089 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.6

Radius: 10.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.28 AU - 4.52 AU

Year: 6371 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,867,636 km

• M1: 130,898 km (0.117 R)
• M2: 472,580 km (0.103 R)
• M3: 1,051,224 km (0.088 R)
• M4: 1,985,463 km (0.099 R)
• M5: 3,557,587 km (0.04 R)
• M6: 4,164,954 km (0.095 R)
• M7: 4,815,705 km (0.082 R)
• M8: 5,945,618 km (0.1 R)
• M9: 6,709,614 km (0.076 R)
• M10: 7,052,193 km (0.083 R)
• M11: 8,832,408 km (0.109 R)
• M12: 9,244,400 km (0.114 R)
• M13: 9,747,797 km (0.088 R)
• M14: 11,368,541 km (0.105 R)
• M15: 11,766,621 km (0.092 R)
• M16: 14,151,211 km (0.097 R)
• M17: 15,564,462 km (0.108 R)
• M18: 16,783,984 km (0.066 R)
• M19: 17,592,560 km (0.105 R)
• M20: 18,426,867 km (0.069 R)
• M21: 21,354,348 km (0.119 R)
• M22: 22,097,849 km (0.074 R)
• M23: 22,510,590 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.3

Radius: 7.7

Gravity: 12.98 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.46 AU - 10.4 AU

Year: 18420 Days

Day: 17.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,867,636 km

• M1: 96,341 km (0.082 R)
• M2: 531,820 km (0.107 R)
• M3: 881,131 km (0.07 R)
• M4: 1,129,464 km (0.094 R)
• M5: 1,881,941 km (0.078 R)
• M6: 2,323,255 km (0.073 R)
• M7: 3,086,802 km (0.108 R)
• M8: 4,738,961 km (0.111 R)
• M9: 6,684,781 km (0.106 R)
• M10: 7,421,251 km (0.102 R)
• M11: 8,313,303 km (0.094 R)
• M12: 9,611,514 km (0.104 R)
• M13: 10,014,381 km (0.119 R)
• M14: 12,199,706 km (0.119 R)
• M15: 13,653,498 km (0.06 R)
• M16: 14,684,677 km (0.094 R)
• M17: 18,614,762 km (0.103 R)
• M18: 24,446,087 km (0.1 R)
• M19: 26,744,509 km (0.09 R)
• M20: 28,944,794 km (0.11 R)
• M21: 30,272,476 km (0.112 R)
• M22: 30,765,101 km (0.063 R)
• M23: 31,263,113 km (0.106 R)
• M24: 33,570,959 km (0.045 R)
• M25: 37,665,602 km (0.093 R)
• M26: 40,275,786 km (0.105 R)
• M27: 40,871,784 km (0.091 R)
• M28: 47,987,407 km (0.054 R)
• M29: 61,018,428 km (0.038 R)
• M30: 62,002,034 km (0.102 R)
• M31: 71,553,110 km (0.115 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 10,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit