🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.3

Radius: 14.7

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.47 AU - 0.57 AU

Year: 250 Days

Day: 14.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,109,111 km

• M1: 182,809 km (0.116 R)
• M2: 650,152 km (0.103 R)
• M3: 1,240,316 km (0.085 R)
• M4: 1,743,264 km (0.075 R)
• M5: 2,270,297 km (0.114 R)
• M6: 2,904,143 km (0.079 R)
• M7: 3,746,080 km (0.03 R)
• M8: 4,262,941 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.6

Radius: 8.6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.91 AU - 1.13 AU

Year: 687 Days

Day: 8 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,109,111 km

• M1: 106,962 km (0.081 R)
• M2: 413,189 km (0.086 R)
• M3: 787,334 km (0.069 R)
• M4: 1,192,295 km (0.1 R)
• M5: 1,605,484 km (0.097 R)
• M6: 2,059,514 km (0.089 R)
• M7: 2,638,009 km (0.084 R)
• M8: 2,982,832 km (0.052 R)
• M9: 3,381,959 km (0.092 R)
• M10: 3,964,643 km (0.089 R)
• M11: 4,258,752 km (0.105 R)
• M12: 5,363,233 km (0.116 R)
• M13: 6,174,203 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.3

Radius: 10.4

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.08 AU - 3.32 AU

Year: 2959 Days

Day: 7 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,109,111 km

• M1: 129,402 km (0.084 R)
• M2: 751,430 km (0.1 R)
• M3: 1,121,236 km (0.071 R)
• M4: 1,747,752 km (0.09 R)
• M5: 2,076,269 km (0.081 R)
• M6: 2,733,303 km (0.077 R)
• M7: 3,232,810 km (0.034 R)
• M8: 3,871,742 km (0.094 R)
• M9: 4,200,559 km (0.103 R)
• M10: 4,683,311 km (0.113 R)
• M11: 5,866,032 km (0.071 R)
• M12: 7,643,404 km (0.087 R)
• M13: 8,882,224 km (0.076 R)
• M14: 9,642,480 km (0.069 R)
• M15: 10,096,061 km (0.055 R)
• M16: 10,883,544 km (0.043 R)
• M17: 11,209,817 km (0.111 R)
• M18: 12,140,914 km (0.119 R)
• M19: 13,917,240 km (0.038 R)
• M20: 15,295,036 km (0.114 R)
• M21: 16,600,277 km (0.114 R)
• M22: 18,492,541 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.8

Radius: 13

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.48 AU - 3.62 AU

Year: 3552 Days

Day: 12.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,109,111 km

• M1: 161,715 km (0.107 R)
• M2: 644,916 km (0.074 R)
• M3: 1,152,652 km (0.111 R)
• M4: 1,597,855 km (0.118 R)
• M5: 2,146,430 km (0.083 R)
• M6: 2,851,635 km (0.12 R)
• M7: 3,785,425 km (0.075 R)
• M8: 4,544,634 km (0.063 R)
• M9: 6,423,433 km (0.095 R)
• M10: 6,830,489 km (0.047 R)
• M11: 7,664,497 km (0.114 R)
• M12: 8,704,502 km (0.056 R)
• M13: 9,350,316 km (0.081 R)
• M14: 11,822,720 km (0.056 R)
• M15: 13,163,565 km (0.095 R)
• M16: 14,112,166 km (0.079 R)
• M17: 14,553,778 km (0.079 R)
• M18: 15,464,530 km (0.095 R)
• M19: 15,881,460 km (0.04 R)
• M20: 16,846,815 km (0.069 R)
• M21: 17,455,828 km (0.11 R)
• M22: 19,978,796 km (0.084 R)
• M23: 21,167,500 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.6

Radius: 12.9

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.05 AU - 4.55 AU

Year: 5946 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,109,111 km

• M1: 160,369 km (0.087 R)
• M2: 736,620 km (0.112 R)
• M3: 1,227,301 km (0.066 R)
• M4: 1,909,617 km (0.092 R)
• M5: 2,347,789 km (0.087 R)
• M6: 3,258,840 km (0.101 R)
• M7: 3,726,184 km (0.108 R)
• M8: 4,137,279 km (0.115 R)
• M9: 4,714,577 km (0.084 R)
• M10: 5,226,501 km (0.088 R)
• M11: 6,195,446 km (0.117 R)
• M12: 6,705,725 km (0.077 R)
• M13: 7,392,229 km (0.098 R)
• M14: 10,474,993 km (0.085 R)
• M15: 10,906,732 km (0.114 R)
• M16: 11,450,520 km (0.102 R)
• M17: 12,221,248 km (0.1 R)
• M18: 13,026,235 km (0.107 R)
• M19: 14,212,247 km (0.113 R)
• M20: 18,548,640 km (0.095 R)
• M21: 19,110,829 km (0.101 R)
• M22: 24,442,048 km (0.101 R)
• M23: 25,893,447 km (0.038 R)
• M24: 31,975,348 km (0.119 R)
• M25: 35,614,915 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.4

Radius: 4.1

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.96 AU - 8.6 AU

Year: 15888 Days

Day: 16.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,109,111 km

• M1: 53,406 km (0.086 R)
• M2: 609,761 km (0.085 R)
• M3: 1,260,661 km (0.119 R)
• M4: 1,598,304 km (0.109 R)
• M5: 2,267,605 km (0.095 R)
• M6: 3,084,259 km (0.102 R)
• M7: 4,297,049 km (0.082 R)
• M8: 5,932,304 km (0.076 R)
• M9: 7,451,769 km (0.07 R)
• M10: 8,109,252 km (0.117 R)
• M11: 10,263,312 km (0.102 R)
• M12: 11,338,471 km (0.052 R)
• M13: 15,267,510 km (0.108 R)
• M14: 22,680,533 km (0.082 R)
• M15: 29,795,857 km (0.114 R)
• M16: 31,127,577 km (0.103 R)
• M17: 31,335,817 km (0.099 R)
• M18: 31,545,105 km (0.084 R)
• M19: 39,959,835 km (0.055 R)
• M20: 40,950,323 km (0.108 R)
• M21: 41,577,587 km (0.1 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 11,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit