🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.7

Radius: 10.3

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.65 AU - 2.33 AU

Year: 1842 Days

Day: 8.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,892,874 km

• M1: 130,749 km (0.115 R)
• M2: 470,635 km (0.033 R)
• M3: 1,026,690 km (0.026 R)
• M4: 1,383,032 km (0.089 R)
• M5: 1,866,682 km (0.05 R)
• M6: 2,355,718 km (0.118 R)
• M7: 2,708,918 km (0.097 R)
• M8: 3,035,490 km (0.067 R)
• M9: 3,472,615 km (0.054 R)
• M10: 5,041,747 km (0.099 R)
• M11: 5,423,671 km (0.114 R)
• M12: 6,983,229 km (0.084 R)
• M13: 8,136,329 km (0.102 R)
• M14: 8,631,498 km (0.043 R)
• M15: 8,983,651 km (0.116 R)
• M16: 9,378,590 km (0.11 R)
• M17: 10,097,707 km (0.083 R)
• M18: 11,492,108 km (0.088 R)
• M19: 13,346,823 km (0.076 R)
• M20: 14,256,677 km (0.085 R)
• M21: 14,885,886 km (0.107 R)
• M22: 16,103,313 km (0.076 R)

Asteroid Belt

Center: 2.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.4

Radius: 13.5

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.24 AU - 3.48 AU

Year: 3173 Days

Day: 9.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 126.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,892,874 km

• M1: 167,849 km (0.034 R)
• M2: 591,660 km (0.092 R)
• M3: 1,380,489 km (0.106 R)
• M4: 2,020,170 km (0.086 R)
• M5: 2,773,844 km (0.097 R)
• M6: 3,502,535 km (0.089 R)
• M7: 3,982,894 km (0.085 R)
• M8: 5,851,222 km (0.038 R)
• M9: 7,324,910 km (0.115 R)
• M10: 7,985,534 km (0.089 R)
• M11: 8,928,151 km (0.089 R)
• M12: 10,056,866 km (0.075 R)
• M13: 13,088,617 km (0.087 R)
• M14: 15,948,629 km (0.11 R)
• M15: 17,662,871 km (0.093 R)
• M16: 19,974,756 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.1

Radius: 13.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.72 AU - 6.1 AU

Year: 8255 Days

Day: 8.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,892,874 km

• M1: 175,329 km (0.11 R)
• M2: 638,633 km (0.056 R)
• M3: 1,232,537 km (0.095 R)
• M4: 2,106,787 km (0.08 R)
• M5: 3,520,038 km (0.091 R)
• M6: 4,284,034 km (0.059 R)
• M7: 4,920,124 km (0.05 R)
• M8: 5,975,537 km (0.087 R)
• M9: 7,481,390 km (0.118 R)
• M10: 7,995,258 km (0.112 R)
• M11: 8,745,791 km (0.074 R)
• M12: 9,588,476 km (0.063 R)
• M13: 12,334,943 km (0.092 R)
• M14: 13,223,704 km (0.112 R)
• M15: 13,976,929 km (0.096 R)
• M16: 14,758,428 km (0.11 R)
• M17: 17,690,846 km (0.094 R)
• M18: 20,377,175 km (0.043 R)
• M19: 21,225,544 km (0.042 R)
• M20: 23,659,651 km (0.098 R)
• M21: 25,206,344 km (0.099 R)
• M22: 29,269,571 km (0.071 R)
• M23: 30,151,451 km (0.111 R)
• M24: 35,047,490 km (0.119 R)
• M25: 38,551,970 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.5

Radius: 5.6

Gravity: 29.93 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.83 AU - 12.47 AU

Year: 21213 Days

Day: 17.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,892,874 km

• M1: 70,311 km (0.077 R)
• M2: 360,232 km (0.035 R)
• M3: 1,096,852 km (0.09 R)
• M4: 1,361,191 km (0.111 R)
• M5: 1,667,268 km (0.045 R)
• M6: 2,102,748 km (0.11 R)
• M7: 2,393,716 km (0.041 R)
• M8: 2,660,748 km (0.11 R)
• M9: 3,084,409 km (0.07 R)
• M10: 4,270,421 km (0.043 R)
• M11: 4,446,348 km (0.113 R)
• M12: 6,716,645 km (0.118 R)
• M13: 7,248,914 km (0.115 R)
• M14: 8,179,712 km (0.101 R)
• M15: 11,047,504 km (0.099 R)
• M16: 12,561,284 km (0.1 R)
• M17: 17,028,426 km (0.098 R)
• M18: 17,382,824 km (0.108 R)
• M19: 21,821,093 km (0.09 R)
• M20: 22,556,666 km (0.109 R)
• M21: 23,200,087 km (0.095 R)
• M22: 25,318,542 km (0.096 R)
• M23: 30,322,292 km (0.112 R)
• M24: 32,849,448 km (0.109 R)
• M25: 34,941,275 km (0.094 R)
• M26: 35,513,637 km (0.089 R)
• M27: 36,530,454 km (0.111 R)
• M28: 38,469,990 km (0.107 R)
• M29: 42,715,578 km (0.111 R)
• M30: 43,865,088 km (0.096 R)
• M31: 44,197,345 km (0.119 R)
• M32: 45,883,462 km (0.063 R)
• M33: 52,122,890 km (0.035 R)
• M34: 59,511,529 km (0.113 R)
• M35: 60,738,531 km (0.103 R)
• M36: 62,191,276 km (0.064 R)
• M37: 64,520,514 km (0.119 R)
• M38: 70,029,456 km (0.117 R)
• M39: 72,549,582 km (0.067 R)
• M40: 79,975,919 km (0.086 R)
• M41: 86,843,210 km (0.034 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: 169 - 15,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit