🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.5

Radius: 10.3

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.85 AU - 0.93 AU

Year: 551 Days

Day: 13.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,195,200 km

• M1: 128,205 km (0.1 R)
• M2: 474,225 km (0.091 R)
• M3: 1,011,880 km (0.101 R)
• M4: 1,730,249 km (0.088 R)
• M5: 2,156,902 km (0.044 R)
• M6: 3,315,687 km (0.068 R)
• M7: 3,719,452 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 8.3

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.93 AU - 1.31 AU

Year: 778 Days

Day: 8.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 157.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,195,200 km

• M1: 103,223 km (0.046 R)
• M2: 424,858 km (0.057 R)
• M3: 782,846 km (0.103 R)
• M4: 1,045,390 km (0.05 R)
• M5: 1,565,841 km (0.113 R)
• M6: 1,927,120 km (0.115 R)
• M7: 2,270,148 km (0.049 R)
• M8: 2,619,160 km (0.114 R)
• M9: 3,157,562 km (0.074 R)
• M10: 3,551,304 km (0.113 R)
• M11: 3,856,783 km (0.092 R)
• M12: 4,372,147 km (0.074 R)
• M13: 5,332,416 km (0.073 R)
• M14: 6,135,158 km (0.12 R)
• M15: 6,597,864 km (0.114 R)
• M16: 7,015,991 km (0.065 R)
• M17: 8,027,871 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.3

Radius: 14.1

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.07 AU - 1.55 AU

Year: 984 Days

Day: 6.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,195,200 km

• M1: 175,478 km (0.112 R)
• M2: 614,548 km (0.063 R)
• M3: 1,097,300 km (0.062 R)
• M4: 1,649,317 km (0.089 R)
• M5: 2,942,141 km (0.091 R)
• M6: 3,422,201 km (0.115 R)
• M7: 4,775,463 km (0.072 R)
• M8: 5,305,040 km (0.038 R)
• M9: 6,086,539 km (0.109 R)
• M10: 6,550,741 km (0.072 R)
• M11: 7,206,578 km (0.12 R)
• M12: 7,701,448 km (0.068 R)
• M13: 8,272,164 km (0.052 R)
• M14: 9,324,585 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.6

Radius: 14.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.14 AU - 2.32 AU

Year: 2185 Days

Day: 8.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 98.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,195,200 km

• M1: 179,218 km (0.079 R)
• M2: 632,949 km (0.093 R)
• M3: 1,122,134 km (0.085 R)
• M4: 1,634,656 km (0.114 R)
• M5: 2,130,872 km (0.101 R)
• M6: 2,714,304 km (0.086 R)
• M7: 3,253,754 km (0.1 R)
• M8: 3,864,711 km (0.045 R)
• M9: 4,914,140 km (0.084 R)
• M10: 7,903,555 km (0.108 R)
• M11: 8,882,523 km (0.062 R)
• M12: 9,487,198 km (0.041 R)
• M13: 10,741,875 km (0.051 R)
• M14: 12,764,588 km (0.074 R)
• M15: 13,579,448 km (0.107 R)
• M16: 15,504,174 km (0.084 R)
• M17: 16,632,291 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.4

Radius: 12

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.83 AU - 4.05 AU

Year: 5130 Days

Day: 10.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,195,200 km

• M1: 149,448 km (0.045 R)
• M2: 544,237 km (0.079 R)
• M3: 935,286 km (0.093 R)
• M4: 1,449,005 km (0.099 R)
• M5: 1,866,233 km (0.075 R)
• M6: 2,545,707 km (0.041 R)
• M7: 3,712,570 km (0.029 R)
• M8: 4,236,911 km (0.034 R)
• M9: 5,310,126 km (0.089 R)
• M10: 5,691,152 km (0.066 R)
• M11: 8,265,133 km (0.097 R)
• M12: 11,428,380 km (0.116 R)

Asteroid Belt

Center: 5.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.1

Radius: 6.9

Gravity: 17.54 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.57 AU - 6.59 AU

Year: 9835 Days

Day: 22.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,195,200 km

• M1: 87,216 km (0.064 R)
• M2: 496,366 km (0.081 R)
• M3: 1,069,924 km (0.116 R)
• M4: 1,396,945 km (0.042 R)
• M5: 3,130,934 km (0.12 R)
• M6: 3,519,290 km (0.111 R)
• M7: 4,392,193 km (0.103 R)
• M8: 6,910,823 km (0.095 R)
• M9: 7,958,158 km (0.068 R)
• M10: 10,155,003 km (0.087 R)
• M11: 12,309,960 km (0.079 R)
• M12: 14,097,804 km (0.105 R)
• M13: 15,222,631 km (0.092 R)
• M14: 24,540,633 km (0.069 R)
• M15: 24,916,423 km (0.117 R)
• M16: 35,845,146 km (0.071 R)
• M17: 48,841,610 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.1

Radius: 5

Gravity: 37.8 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.66 AU - 6.98 AU

Year: 11684 Days

Day: 16.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 59,195,200 km

• M1: 91,404 km (0.109 R)
• M2: 261,796 km (0.095 R)
• M3: 528,230 km (0.068 R)
• M4: 1,239,119 km (0.116 R)
• M5: 1,534,425 km (0.115 R)
• M6: 1,756,429 km (0.111 R)
• M7: 2,054,876 km (0.09 R)
• M8: 4,380,974 km (0.111 R)
• M9: 4,997,018 km (0.101 R)
• M10: 5,595,708 km (0.048 R)
• M11: 6,280,268 km (0.045 R)
• M12: 6,479,981 km (0.043 R)
• M13: 8,233,717 km (0.115 R)
• M14: 9,477,324 km (0.083 R)
• M15: 9,687,360 km (0.088 R)
• M16: 11,013,246 km (0.11 R)
• M17: 11,245,422 km (0.098 R)
• M18: 11,900,660 km (0.105 R)
• M19: 12,581,181 km (0.081 R)
• M20: 13,418,331 km (0.086 R)
• M21: 14,568,289 km (0.097 R)
• M22: 15,929,780 km (0.087 R)
• M23: 20,085,160 km (0.038 R)
• M24: 20,782,585 km (0.077 R)
• M25: 23,350,732 km (0.087 R)
• M26: 24,121,609 km (0.117 R)
• M27: 25,209,036 km (0.044 R)
• M28: 26,744,060 km (0.118 R)
• M29: 29,217,063 km (0.099 R)
• M30: 34,118,637 km (0.115 R)
• M31: 35,235,834 km (0.114 R)
• M32: 37,674,129 km (0.102 R)
• M33: 38,466,848 km (0.098 R)
• M34: 39,405,725 km (0.109 R)
• M35: 41,189,530 km (0.097 R)
• M36: 46,258,654 km (0.08 R)
• M37: 48,242,621 km (0.118 R)
• M38: 52,379,301 km (0.08 R)
• M39: 57,438,850 km (0.103 R)
• M40: 58,841,181 km (0.081 R)
• M41: 59,018,006 km (0.109 R)
• M42: 59,195,129 km (0.034 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 14,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit