🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.4

Radius: 8.5

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.97 AU - 1.01 AU

Year: 636 Days

Day: 7.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,595,640 km

• M1: 107,262 km (0.105 R)
• M2: 480,060 km (0.04 R)
• M3: 907,610 km (0.065 R)
• M4: 1,211,892 km (0.061 R)
• M5: 1,637,349 km (0.078 R)
• M6: 2,312,035 km (0.116 R)
• M7: 2,713,257 km (0.086 R)
• M8: 3,901,512 km (0.112 R)
• M9: 4,290,766 km (0.071 R)
• M10: 4,674,335 km (0.119 R)
• M11: 4,997,466 km (0.074 R)
• M12: 5,404,971 km (0.104 R)
• M13: 5,688,758 km (0.08 R)
• M14: 6,095,216 km (0.082 R)
• M15: 6,501,374 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.1

Radius: 8

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.33 AU - 2.19 AU

Year: 1508 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,595,640 km

• M1: 99,483 km (0.094 R)
• M2: 400,324 km (0.119 R)
• M3: 729,738 km (0.104 R)
• M4: 1,279,361 km (0.113 R)
• M5: 1,947,764 km (0.072 R)
• M6: 2,317,121 km (0.098 R)
• M7: 2,858,367 km (0.101 R)
• M8: 3,121,509 km (0.051 R)
• M9: 3,992,019 km (0.112 R)
• M10: 4,359,581 km (0.118 R)
• M11: 5,356,202 km (0.113 R)
• M12: 5,873,362 km (0.091 R)
• M13: 6,374,066 km (0.098 R)
• M14: 7,164,990 km (0.116 R)
• M15: 9,798,810 km (0.111 R)
• M16: 10,163,679 km (0.037 R)
• M17: 10,503,267 km (0.072 R)
• M18: 11,313,189 km (0.063 R)
• M19: 13,868,171 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.1

Radius: 11.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.36 AU - 4.62 AU

Year: 5146 Days

Day: 9.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,595,640 km

• M1: 147,952 km (0.075 R)
• M2: 518,506 km (0.09 R)
• M3: 1,102,237 km (0.081 R)
• M4: 2,624,545 km (0.044 R)
• M5: 3,229,070 km (0.118 R)
• M6: 3,703,894 km (0.043 R)
• M7: 4,131,145 km (0.114 R)
• M8: 5,112,358 km (0.06 R)
• M9: 6,884,045 km (0.118 R)
• M10: 8,335,593 km (0.092 R)
• M11: 9,479,269 km (0.069 R)
• M12: 9,854,610 km (0.054 R)
• M13: 10,904,787 km (0.093 R)
• M14: 11,550,900 km (0.1 R)
• M15: 13,381,978 km (0.103 R)
• M16: 14,779,671 km (0.081 R)
• M17: 15,342,309 km (0.074 R)
• M18: 20,648,695 km (0.11 R)
• M19: 22,290,831 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.3

Radius: 5.6

Gravity: 23.26 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7 AU - 8.12 AU

Year: 13421 Days

Day: 23.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,595,640 km

• M1: 69,713 km (0.045 R)
• M2: 282,740 km (0.106 R)
• M3: 711,637 km (0.09 R)
• M4: 1,044,343 km (0.101 R)
• M5: 1,320,201 km (0.083 R)
• M6: 1,707,959 km (0.106 R)
• M7: 1,964,519 km (0.102 R)
• M8: 2,207,317 km (0.037 R)
• M9: 2,470,010 km (0.062 R)
• M10: 2,798,976 km (0.12 R)
• M11: 3,517,345 km (0.055 R)
• M12: 3,763,583 km (0.083 R)
• M13: 5,346,777 km (0.113 R)
• M14: 6,647,980 km (0.098 R)
• M15: 8,481,900 km (0.08 R)
• M16: 12,039,487 km (0.11 R)
• M17: 14,041,406 km (0.106 R)
• M18: 14,522,363 km (0.086 R)
• M19: 17,248,784 km (0.05 R)
• M20: 20,124,654 km (0.073 R)
• M21: 20,824,173 km (0.118 R)
• M22: 21,812,417 km (0.097 R)
• M23: 25,365,516 km (0.084 R)
• M24: 29,508,778 km (0.081 R)
• M25: 29,845,074 km (0.107 R)
• M26: 38,568,126 km (0.103 R)
• M27: 39,104,734 km (0.1 R)
• M28: 40,055,727 km (0.104 R)
• M29: 50,268,176 km (0.073 R)
• M30: 53,856,430 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.7

Radius: 5

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.75 AU - 9.27 AU

Year: 16029 Days

Day: 18.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,595,640 km

• M1: 62,532 km (0.089 R)
• M2: 242,797 km (0.114 R)
• M3: 647,908 km (0.102 R)
• M4: 1,104,182 km (0.109 R)
• M5: 3,165,042 km (0.11 R)
• M6: 3,671,431 km (0.083 R)
• M7: 4,875,694 km (0.085 R)
• M8: 5,584,788 km (0.095 R)
• M9: 14,293,927 km (0.096 R)
• M10: 19,712,212 km (0.099 R)
• M11: 24,597,331 km (0.044 R)
• M12: 29,363,369 km (0.041 R)
• M13: 30,671,902 km (0.036 R)
• M14: 34,350,513 km (0.041 R)
• M15: 53,595,681 km (0.086 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 15,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit