🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.8

Radius: 8.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.53 AU - 0.85 AU

Year: 376 Days

Day: 6.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,960,499 km

• M1: 110,702 km (0.03 R)
• M2: 425,307 km (0.055 R)
• M3: 717,322 km (0.115 R)
• M4: 1,006,494 km (0.09 R)
• M5: 1,346,979 km (0.104 R)
• M6: 2,210,009 km (0.116 R)
• M7: 2,503,371 km (0.072 R)
• M8: 2,832,636 km (0.081 R)
• M9: 3,761,339 km (0.118 R)
• M10: 4,059,189 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.7

Radius: 11.5

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.21 AU - 1.67 AU

Year: 1134 Days

Day: 7.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,960,499 km

• M1: 143,016 km (0.08 R)
• M2: 504,444 km (0.055 R)
• M3: 1,009,786 km (0.075 R)
• M4: 1,736,532 km (0.111 R)
• M5: 2,552,140 km (0.055 R)
• M6: 3,020,830 km (0.115 R)
• M7: 3,840,177 km (0.086 R)
• M8: 4,970,539 km (0.044 R)
• M9: 5,379,539 km (0.043 R)
• M10: 6,111,671 km (0.118 R)
• M11: 6,697,646 km (0.076 R)
• M12: 9,307,531 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.8

Radius: 11.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.3 AU - 2.42 AU

Year: 2378 Days

Day: 6.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,960,499 km

• M1: 148,251 km (0.082 R)
• M2: 546,930 km (0.104 R)
• M3: 1,072,318 km (0.107 R)
• M4: 1,554,322 km (0.067 R)
• M5: 2,086,142 km (0.115 R)
• M6: 3,570,752 km (0.114 R)
• M7: 4,028,970 km (0.047 R)
• M8: 5,064,337 km (0.067 R)
• M9: 5,975,388 km (0.093 R)
• M10: 7,046,509 km (0.081 R)
• M11: 7,771,011 km (0.115 R)
• M12: 8,483,396 km (0.074 R)
• M13: 10,038,616 km (0.113 R)
• M14: 11,814,342 km (0.085 R)
• M15: 12,999,756 km (0.104 R)
• M16: 14,133,109 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.6

Radius: 12.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.52 AU - 4.12 AU

Year: 4898 Days

Day: 8.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,960,499 km

• M1: 160,519 km (0.043 R)
• M2: 657,931 km (0.096 R)
• M3: 1,118,992 km (0.054 R)
• M4: 1,716,336 km (0.117 R)
• M5: 2,351,230 km (0.118 R)
• M6: 3,564,618 km (0.102 R)
• M7: 4,369,006 km (0.027 R)
• M8: 5,081,241 km (0.075 R)
• M9: 5,506,698 km (0.093 R)
• M10: 6,675,805 km (0.118 R)
• M11: 8,656,182 km (0.07 R)
• M12: 11,046,008 km (0.03 R)
• M13: 11,901,408 km (0.089 R)
• M14: 12,607,660 km (0.1 R)
• M15: 13,143,071 km (0.115 R)
• M16: 13,846,480 km (0.081 R)
• M17: 15,438,500 km (0.044 R)
• M18: 16,164,948 km (0.058 R)
• M19: 19,237,389 km (0.111 R)
• M20: 21,352,852 km (0.108 R)
• M21: 25,114,341 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.2

Radius: 4.2

Gravity: 27.34 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.62 AU - 7.48 AU

Year: 9762 Days

Day: 18.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 41,960,499 km

• M1: 52,359 km (0.108 R)
• M2: 202,256 km (0.116 R)
• M3: 348,862 km (0.076 R)
• M4: 523,293 km (0.077 R)
• M5: 797,357 km (0.102 R)
• M6: 1,558,361 km (0.085 R)
• M7: 1,773,184 km (0.086 R)
• M8: 2,674,511 km (0.03 R)
• M9: 4,265,933 km (0.03 R)
• M10: 4,833,358 km (0.102 R)
• M11: 5,259,412 km (0.049 R)
• M12: 5,513,878 km (0.117 R)
• M13: 5,843,442 km (0.097 R)
• M14: 6,151,165 km (0.06 R)
• M15: 7,772,507 km (0.113 R)
• M16: 7,936,466 km (0.042 R)
• M17: 8,229,080 km (0.054 R)
• M18: 8,791,268 km (0.043 R)
• M19: 10,431,759 km (0.115 R)
• M20: 10,631,322 km (0.113 R)
• M21: 14,488,404 km (0.114 R)
• M22: 17,450,891 km (0.117 R)
• M23: 18,016,670 km (0.086 R)
• M24: 19,484,524 km (0.111 R)
• M25: 22,489,347 km (0.096 R)
• M26: 24,101,563 km (0.026 R)
• M27: 24,538,240 km (0.063 R)
• M28: 25,158,472 km (0.111 R)
• M29: 27,648,978 km (0.075 R)
• M30: 28,417,312 km (0.1 R)
• M31: 28,611,490 km (0.102 R)
• M32: 31,841,757 km (0.1 R)
• M33: 34,528,385 km (0.105 R)
• M34: 35,643,937 km (0.09 R)
• M35: 38,064,729 km (0.106 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: 194 - 16,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit