🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.3

Radius: 13.5

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.08 AU - 1.8 AU

Year: 1134 Days

Day: 11.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,996,465 km

• M1: 167,998 km (0.032 R)
• M2: 622,477 km (0.092 R)
• M3: 1,144,424 km (0.097 R)
• M4: 1,944,922 km (0.038 R)
• M5: 2,367,386 km (0.081 R)
• M6: 2,805,409 km (0.115 R)
• M7: 3,390,187 km (0.12 R)
• M8: 3,995,460 km (0.076 R)
• M9: 7,649,538 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 13.5

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.38 AU - 1.52 AU

Year: 1145 Days

Day: 11.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,996,465 km

• M1: 168,148 km (0.053 R)
• M2: 677,080 km (0.102 R)
• M3: 1,210,097 km (0.098 R)
• M4: 1,829,283 km (0.091 R)
• M5: 2,533,440 km (0.079 R)
• M6: 3,685,493 km (0.075 R)
• M7: 4,986,695 km (0.08 R)
• M8: 5,669,460 km (0.083 R)
• M9: 6,099,554 km (0.076 R)
• M10: 7,148,235 km (0.111 R)
• M11: 8,205,294 km (0.109 R)
• M12: 11,420,601 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.7

Radius: 10.1

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.69 AU - 2.45 AU

Year: 1954 Days

Day: 10.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,996,465 km

• M1: 125,662 km (0.074 R)
• M2: 462,108 km (0.094 R)
• M3: 1,168,808 km (0.099 R)
• M4: 1,561,503 km (0.119 R)
• M5: 2,129,526 km (0.102 R)
• M6: 2,684,235 km (0.115 R)
• M7: 3,550,257 km (0.11 R)
• M8: 4,206,543 km (0.089 R)
• M9: 4,961,563 km (0.09 R)
• M10: 6,213,847 km (0.047 R)
• M11: 6,545,505 km (0.119 R)
• M12: 7,065,059 km (0.113 R)
• M13: 8,702,557 km (0.083 R)
• M14: 10,679,642 km (0.116 R)
• M15: 11,647,989 km (0.059 R)
• M16: 12,449,086 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 9.3

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.82 AU - 2.58 AU

Year: 2141 Days

Day: 5.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,996,465 km

• M1: 115,639 km (0.042 R)
• M2: 451,187 km (0.084 R)
• M3: 827,875 km (0.043 R)
• M4: 1,252,284 km (0.076 R)
• M5: 1,675,945 km (0.114 R)
• M6: 2,042,609 km (0.085 R)
• M7: 2,462,680 km (0.036 R)
• M8: 2,784,316 km (0.105 R)
• M9: 5,863,638 km (0.101 R)
• M10: 6,253,640 km (0.056 R)
• M11: 7,028,108 km (0.092 R)
• M12: 8,147,848 km (0.087 R)
• M13: 9,174,089 km (0.118 R)
• M14: 12,135,080 km (0.073 R)
• M15: 12,555,749 km (0.071 R)
• M16: 13,337,548 km (0.117 R)
• M17: 14,013,581 km (0.074 R)
• M18: 15,433,863 km (0.103 R)
• M19: 15,977,950 km (0.029 R)
• M20: 16,279,988 km (0.098 R)
• M21: 17,209,440 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458

Radius: 13.3

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.16 AU - 3.56 AU

Year: 3173 Days

Day: 11.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,996,465 km

• M1: 165,455 km (0.084 R)
• M2: 622,477 km (0.116 R)
• M3: 1,507,647 km (0.117 R)
• M4: 2,010,595 km (0.061 R)
• M5: 2,821,565 km (0.093 R)
• M6: 3,652,282 km (0.094 R)
• M7: 4,553,610 km (0.081 R)
• M8: 6,711,708 km (0.092 R)
• M9: 7,351,389 km (0.072 R)
• M10: 7,810,505 km (0.114 R)
• M11: 12,764,887 km (0.039 R)
• M12: 13,340,241 km (0.048 R)
• M13: 18,867,283 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908

Radius: 9.9

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.01 AU - 4.75 AU

Year: 5014 Days

Day: 7.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,996,465 km

• M1: 123,418 km (0.119 R)
• M2: 447,597 km (0.077 R)
• M3: 1,053,319 km (0.086 R)
• M4: 1,401,582 km (0.106 R)
• M5: 2,290,044 km (0.106 R)
• M6: 3,241,786 km (0.056 R)
• M7: 3,604,561 km (0.07 R)
• M8: 4,090,155 km (0.09 R)
• M9: 5,024,244 km (0.091 R)
• M10: 6,062,753 km (0.117 R)
• M11: 7,167,533 km (0.118 R)
• M12: 8,480,554 km (0.095 R)
• M13: 9,947,361 km (0.052 R)
• M14: 11,625,550 km (0.098 R)
• M15: 14,315,020 km (0.039 R)
• M16: 15,593,783 km (0.086 R)
• M17: 16,199,654 km (0.038 R)
• M18: 18,310,779 km (0.118 R)
• M19: 21,476,420 km (0.094 R)
• M20: 23,305,852 km (0.048 R)
• M21: 23,938,053 km (0.058 R)
• M22: 27,621,601 km (0.066 R)
• M23: 29,322,978 km (0.084 R)
• M24: 32,442,243 km (0.11 R)
• M25: 32,933,373 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.1

Radius: 3.4

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.29 AU - 10.25 AU

Year: 17038 Days

Day: 18.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,996,465 km

• M1: 47,273 km (0.095 R)
• M2: 587,770 km (0.09 R)
• M3: 777,460 km (0.058 R)
• M4: 967,150 km (0.109 R)
• M5: 1,232,537 km (0.07 R)
• M6: 1,401,283 km (0.117 R)
• M7: 1,544,448 km (0.058 R)
• M8: 1,770,042 km (0.1 R)
• M9: 1,906,326 km (0.096 R)
• M10: 2,166,177 km (0.052 R)
• M11: 2,898,010 km (0.054 R)
• M12: 3,469,025 km (0.029 R)
• M13: 3,683,100 km (0.069 R)
• M14: 3,982,146 km (0.101 R)
• M15: 4,137,728 km (0.07 R)
• M16: 5,066,581 km (0.097 R)
• M17: 6,333,675 km (0.045 R)
• M18: 16,830,658 km (0.105 R)
• M19: 17,720,017 km (0.05 R)
• M20: 18,353,864 km (0.084 R)
• M21: 23,136,208 km (0.112 R)
• M22: 26,261,607 km (0.106 R)
• M23: 28,019,232 km (0.098 R)
• M24: 28,303,768 km (0.097 R)
• M25: 28,590,247 km (0.108 R)
• M26: 29,952,486 km (0.113 R)
• M27: 31,561,710 km (0.107 R)
• M28: 32,491,760 km (0.073 R)
• M29: 32,910,933 km (0.053 R)
• M30: 33,546,275 km (0.114 R)
• M31: 34,732,586 km (0.108 R)
• M32: 37,417,120 km (0.11 R)
• M33: 39,281,558 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 11,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit