🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.5

Radius: 10.3

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.84 AU - 0.96 AU

Year: 560 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,059,266 km

• M1: 128,056 km (0.078 R)
• M2: 560,992 km (0.114 R)
• M3: 968,347 km (0.115 R)
• M4: 1,521,859 km (0.08 R)
• M5: 1,872,068 km (0.084 R)
• M6: 2,208,513 km (0.083 R)
• M7: 2,564,108 km (0.088 R)
• M8: 3,714,814 km (0.114 R)
• M9: 4,087,014 km (0.063 R)
• M10: 5,008,387 km (0.103 R)
• M11: 5,851,970 km (0.093 R)
• M12: 6,498,980 km (0.032 R)
• M13: 6,956,301 km (0.112 R)
• M14: 7,457,304 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618

Radius: 13

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.74 AU - 1.2 AU

Year: 627 Days

Day: 13.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,059,266 km

• M1: 161,715 km (0.119 R)
• M2: 650,601 km (0.027 R)
• M3: 1,076,506 km (0.04 R)
• M4: 1,599,650 km (0.088 R)
• M5: 2,291,690 km (0.053 R)
• M6: 3,069,150 km (0.086 R)
• M7: 3,793,054 km (0.08 R)
• M8: 4,232,872 km (0.112 R)
• M9: 4,981,759 km (0.111 R)
• M10: 5,653,902 km (0.099 R)
• M11: 6,116,010 km (0.078 R)
• M12: 6,703,780 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.3

Radius: 10.7

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.83 AU - 1.25 AU

Year: 696 Days

Day: 12.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,059,266 km

• M1: 133,142 km (0.099 R)
• M2: 509,231 km (0.093 R)
• M3: 906,563 km (0.059 R)
• M4: 1,360,443 km (0.107 R)
• M5: 1,935,497 km (0.095 R)
• M6: 2,373,969 km (0.089 R)
• M7: 2,964,431 km (0.041 R)
• M8: 3,809,061 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.3

Radius: 9.8

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.41 AU - 1.79 AU

Year: 1328 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,059,266 km

• M1: 121,922 km (0.06 R)
• M2: 462,108 km (0.102 R)
• M3: 794,514 km (0.053 R)
• M4: 1,399,787 km (0.052 R)
• M5: 2,614,522 km (0.108 R)
• M6: 3,013,948 km (0.115 R)
• M7: 3,748,175 km (0.086 R)
• M8: 4,276,405 km (0.028 R)
• M9: 5,036,512 km (0.105 R)
• M10: 6,500,177 km (0.117 R)
• M11: 7,106,348 km (0.078 R)
• M12: 7,972,968 km (0.114 R)
• M13: 8,938,622 km (0.08 R)
• M14: 9,915,048 km (0.061 R)
• M15: 10,891,473 km (0.112 R)
• M16: 11,492,856 km (0.097 R)
• M17: 12,800,940 km (0.088 R)
• M18: 13,231,782 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.3

Radius: 8

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.81 AU - 3.17 AU

Year: 3392 Days

Day: 12.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,059,266 km

• M1: 99,483 km (0.069 R)
• M2: 349,760 km (0.086 R)
• M3: 741,856 km (0.083 R)
• M4: 1,194,539 km (0.085 R)
• M5: 1,468,004 km (0.073 R)
• M6: 3,669,935 km (0.076 R)
• M7: 4,608,662 km (0.043 R)
• M8: 5,811,428 km (0.075 R)
• M9: 9,552,871 km (0.083 R)
• M10: 10,116,706 km (0.079 R)
• M11: 12,835,497 km (0.092 R)
• M12: 15,563,564 km (0.05 R)
• M13: 22,065,686 km (0.084 R)
• M14: 23,408,776 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.6

Radius: 14.5

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.22 AU - 3.38 AU

Year: 3933 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,059,266 km

• M1: 180,265 km (0.1 R)
• M2: 1,020,706 km (0.094 R)
• M3: 1,533,977 km (0.037 R)
• M4: 2,222,276 km (0.077 R)
• M5: 3,194,363 km (0.101 R)
• M6: 7,516,395 km (0.083 R)
• M7: 8,544,133 km (0.103 R)
• M8: 9,077,748 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.4

Radius: 7.8

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.6 AU - 10.76 AU

Year: 19757 Days

Day: 23.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,059,266 km

• M1: 97,687 km (0.09 R)
• M2: 424,708 km (0.112 R)
• M3: 782,397 km (0.03 R)
• M4: 1,839,904 km (0.098 R)
• M5: 2,167,075 km (0.034 R)
• M6: 2,766,962 km (0.098 R)
• M7: 3,883,411 km (0.057 R)
• M8: 4,260,697 km (0.055 R)
• M9: 4,662,367 km (0.115 R)
• M10: 5,698,033 km (0.108 R)
• M11: 7,198,799 km (0.105 R)
• M12: 10,121,194 km (0.101 R)
• M13: 10,836,870 km (0.075 R)
• M14: 12,841,780 km (0.039 R)
• M15: 16,094,487 km (0.093 R)
• M16: 16,903,662 km (0.117 R)
• M17: 17,654,793 km (0.068 R)
• M18: 20,412,929 km (0.066 R)
• M19: 21,073,403 km (0.077 R)
• M20: 21,943,165 km (0.077 R)
• M21: 22,536,321 km (0.092 R)
• M22: 30,266,492 km (0.115 R)
• M23: 32,634,028 km (0.112 R)
• M24: 33,536,701 km (0.098 R)
• M25: 33,797,600 km (0.072 R)
• M26: 39,015,873 km (0.096 R)
• M27: 41,815,896 km (0.107 R)
• M28: 52,580,510 km (0.117 R)
• M29: 60,505,158 km (0.099 R)
• M30: 61,670,525 km (0.032 R)
• M31: 62,258,744 km (0.111 R)
• M32: 69,401,145 km (0.11 R)
• M33: 70,037,534 km (0.071 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 18,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit