🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.2

Radius: 8.8

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.91 AU - 1.31 AU

Year: 744 Days

Day: 6.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,008,971 km

• M1: 109,506 km (0.079 R)
• M2: 786,436 km (0.095 R)
• M3: 1,263,055 km (0.086 R)
• M4: 2,211,805 km (0.12 R)
• M5: 2,962,487 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.6

Radius: 8.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.84 AU - 2.88 AU

Year: 2305 Days

Day: 11.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,008,971 km

• M1: 108,159 km (0.077 R)
• M2: 401,221 km (0.086 R)
• M3: 692,788 km (0.096 R)
• M4: 1,355,207 km (0.071 R)
• M5: 2,439,792 km (0.083 R)
• M6: 2,846,399 km (0.074 R)
• M7: 3,222,039 km (0.087 R)
• M8: 3,549,209 km (0.099 R)
• M9: 3,847,358 km (0.052 R)
• M10: 4,532,217 km (0.064 R)
• M11: 5,338,400 km (0.102 R)
• M12: 5,934,548 km (0.062 R)
• M13: 6,648,279 km (0.079 R)
• M14: 7,259,386 km (0.084 R)
• M15: 8,830,912 km (0.082 R)
• M16: 10,787,802 km (0.119 R)
• M17: 11,739,843 km (0.118 R)
• M18: 12,069,407 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 14.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.75 AU - 3.91 AU

Year: 4766 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,008,971 km

• M1: 184,005 km (0.103 R)
• M2: 675,883 km (0.106 R)
• M3: 1,193,791 km (0.042 R)
• M4: 2,101,102 km (0.106 R)
• M5: 2,605,845 km (0.071 R)
• M6: 3,866,207 km (0.093 R)
• M7: 4,710,987 km (0.093 R)
• M8: 5,191,794 km (0.112 R)
• M9: 6,036,124 km (0.057 R)
• M10: 6,869,534 km (0.09 R)
• M11: 9,581,594 km (0.102 R)
• M12: 10,807,848 km (0.114 R)
• M13: 11,364,501 km (0.08 R)
• M14: 12,434,725 km (0.06 R)
• M15: 14,888,878 km (0.084 R)
• M16: 17,023,340 km (0.105 R)
• M17: 20,246,875 km (0.082 R)
• M18: 21,382,173 km (0.094 R)
• M19: 22,410,060 km (0.073 R)
• M20: 23,164,333 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.2

Radius: 4.1

Gravity: 25.12 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.67 AU - 8.87 AU

Year: 13771 Days

Day: 23.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,008,971 km

• M1: 51,013 km (0.035 R)
• M2: 204,799 km (0.112 R)
• M3: 360,082 km (0.058 R)
• M4: 610,359 km (0.056 R)
• M5: 1,032,824 km (0.067 R)
• M6: 1,372,411 km (0.081 R)
• M7: 1,688,362 km (0.084 R)
• M8: 2,050,987 km (0.097 R)
• M9: 2,250,850 km (0.047 R)
• M10: 3,708,531 km (0.027 R)
• M11: 4,117,532 km (0.029 R)
• M12: 5,388,814 km (0.117 R)
• M13: 6,094,916 km (0.114 R)
• M14: 7,688,732 km (0.068 R)
• M15: 8,581,083 km (0.098 R)
• M16: 9,392,203 km (0.04 R)
• M17: 10,253,139 km (0.115 R)
• M18: 11,783,974 km (0.09 R)
• M19: 17,575,506 km (0.105 R)
• M20: 18,565,844 km (0.049 R)
• M21: 20,992,022 km (0.11 R)
• M22: 21,160,768 km (0.104 R)
• M23: 21,672,992 km (0.097 R)
• M24: 24,544,373 km (0.057 R)
• M25: 30,161,474 km (0.11 R)
• M26: 32,358,468 km (0.108 R)
• M27: 36,577,577 km (0.039 R)
• M28: 39,585,242 km (0.098 R)
• M29: 45,661,010 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.8

Radius: 4.7

Gravity: 20.72 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.89 AU - 9.29 AU

Year: 14630 Days

Day: 21.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,008,971 km

• M1: 63,429 km (0.074 R)
• M2: 446,250 km (0.106 R)
• M3: 1,156,092 km (0.079 R)
• M4: 1,515,127 km (0.12 R)
• M5: 1,760,767 km (0.048 R)
• M6: 2,235,591 km (0.075 R)
• M7: 3,537,242 km (0.081 R)
• M8: 3,695,815 km (0.104 R)
• M9: 4,027,025 km (0.111 R)
• M10: 5,803,949 km (0.096 R)
• M11: 6,562,410 km (0.103 R)
• M12: 6,721,732 km (0.072 R)
• M13: 7,513,852 km (0.109 R)
• M14: 8,459,610 km (0.102 R)
• M15: 8,696,124 km (0.057 R)
• M16: 10,102,344 km (0.112 R)
• M17: 11,365,698 km (0.119 R)
• M18: 11,711,718 km (0.028 R)
• M19: 12,124,459 km (0.092 R)
• M20: 12,546,624 km (0.054 R)
• M21: 16,650,692 km (0.097 R)
• M22: 17,247,737 km (0.056 R)
• M23: 18,326,637 km (0.107 R)
• M24: 21,305,878 km (0.1 R)
• M25: 21,655,638 km (0.062 R)
• M26: 22,366,677 km (0.115 R)
• M27: 25,074,548 km (0.07 R)
• M28: 26,557,212 km (0.12 R)
• M29: 34,254,472 km (0.102 R)
• M30: 39,126,725 km (0.107 R)
• M31: 45,443,345 km (0.06 R)
• M32: 53,524,921 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 16,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit