🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 13.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.61 AU - 0.75 AU

Year: 387 Days

Day: 7.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,809,407 km

• M1: 169,195 km (0.111 R)
• M2: 616,493 km (0.102 R)
• M3: 1,076,506 km (0.108 R)
• M4: 1,574,667 km (0.082 R)
• M5: 2,271,943 km (0.069 R)
• M6: 2,984,627 km (0.076 R)
• M7: 3,409,335 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.8

Radius: 10

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.74 AU - 1.14 AU

Year: 629 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,809,407 km

• M1: 126,560 km (0.107 R)
• M2: 449,093 km (0.06 R)
• M3: 995,275 km (0.035 R)
• M4: 1,421,629 km (0.059 R)
• M5: 1,951,803 km (0.082 R)
• M6: 2,442,185 km (0.106 R)
• M7: 2,764,269 km (0.099 R)
• M8: 3,433,720 km (0.084 R)
• M9: 3,748,474 km (0.111 R)
• M10: 4,292,561 km (0.1 R)
• M11: 4,795,809 km (0.084 R)
• M12: 5,125,971 km (0.072 R)
• M13: 5,488,297 km (0.11 R)
• M14: 5,814,869 km (0.097 R)
• M15: 6,172,558 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.1

Radius: 14.2

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.92 AU - 1.02 AU

Year: 659 Days

Day: 5.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 96.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,809,407 km

• M1: 177,573 km (0.12 R)
• M2: 682,017 km (0.098 R)
• M3: 1,617,452 km (0.085 R)
• M4: 2,742,129 km (0.071 R)
• M5: 4,404,012 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.6

Radius: 3.3

Gravity: 46.52 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.95 AU - 5.95 AU

Year: 10018 Days

Day: 18.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,809,407 km

• M1: 40,990 km (0.065 R)
• M2: 150,047 km (0.08 R)
• M3: 265,536 km (0.081 R)
• M4: 555,008 km (0.106 R)
• M5: 670,946 km (0.114 R)
• M6: 942,766 km (0.087 R)
• M7: 1,345,334 km (0.118 R)
• M8: 1,461,870 km (0.082 R)
• M9: 3,140,059 km (0.095 R)
• M10: 3,810,557 km (0.08 R)
• M11: 3,992,019 km (0.083 R)
• M12: 5,299,804 km (0.097 R)
• M13: 5,826,388 km (0.096 R)
• M14: 6,351,028 km (0.099 R)
• M15: 8,991,281 km (0.118 R)
• M16: 9,931,055 km (0.117 R)
• M17: 11,621,660 km (0.116 R)
• M18: 33,474,319 km (0.089 R)
• M19: 35,029,239 km (0.1 R)
• M20: 35,482,072 km (0.1 R)
• M21: 35,595,916 km (0.115 R)
• M22: 36,399,556 km (0.111 R)
• M23: 39,368,624 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.9

Radius: 3.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.1 AU - 7.78 AU

Year: 14008 Days

Day: 23 Hours

Environment

Temp: -238 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,809,407 km

• M1: 50,115 km (0.112 R)
• M2: 600,037 km (0.104 R)
• M3: 1,231,639 km (0.084 R)
• M4: 3,914,677 km (0.072 R)
• M5: 4,258,752 km (0.077 R)
• M6: 5,334,660 km (0.041 R)
• M7: 10,372,967 km (0.116 R)
• M8: 13,026,235 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.4

Radius: 4.8

Gravity: 24.5 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.6 AU - 10.6 AU

Year: 18948 Days

Day: 24.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 68,809,407 km

• M1: 61,036 km (0.057 R)
• M2: 434,432 km (0.114 R)
• M3: 601,533 km (0.116 R)
• M4: 907,161 km (0.103 R)
• M5: 1,651,261 km (0.11 R)
• M6: 2,441,587 km (0.069 R)
• M7: 2,598,365 km (0.087 R)
• M8: 2,833,982 km (0.097 R)
• M9: 3,513,904 km (0.112 R)
• M10: 3,714,216 km (0.119 R)
• M11: 4,013,711 km (0.111 R)
• M12: 4,459,662 km (0.064 R)
• M13: 5,641,037 km (0.042 R)
• M14: 7,335,083 km (0.117 R)
• M15: 10,237,132 km (0.063 R)
• M16: 10,646,581 km (0.114 R)
• M17: 10,945,478 km (0.034 R)
• M18: 13,894,201 km (0.063 R)
• M19: 15,208,568 km (0.081 R)
• M20: 15,741,436 km (0.076 R)
• M21: 16,365,558 km (0.108 R)
• M22: 16,763,788 km (0.052 R)
• M23: 17,579,844 km (0.095 R)
• M24: 18,166,567 km (0.097 R)
• M25: 22,841,500 km (0.11 R)
• M26: 23,439,294 km (0.1 R)
• M27: 29,063,426 km (0.059 R)
• M28: 30,838,703 km (0.112 R)
• M29: 33,062,925 km (0.091 R)
• M30: 34,473,483 km (0.079 R)
• M31: 37,003,632 km (0.111 R)
• M32: 40,807,906 km (0.092 R)
• M33: 42,879,537 km (0.111 R)
• M34: 44,710,016 km (0.048 R)
• M35: 47,230,890 km (0.107 R)
• M36: 47,391,558 km (0.082 R)
• M37: 53,245,921 km (0.045 R)
• M38: 61,840,469 km (0.072 R)
• M39: 65,163,336 km (0.101 R)
• M40: 68,603,340 km (0.046 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 13,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit