🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.7

Radius: 13.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.98 AU - 1.3 AU

Year: 798 Days

Day: 7.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,017,157 km

• M1: 171,589 km (0.112 R)
• M2: 723,904 km (0.083 R)
• M3: 1,215,632 km (0.066 R)
• M4: 1,741,170 km (0.087 R)
• M5: 2,596,720 km (0.097 R)
• M6: 3,543,824 km (0.095 R)
• M7: 4,161,514 km (0.082 R)
• M8: 5,325,684 km (0.11 R)
• M9: 5,933,351 km (0.061 R)
• M10: 6,435,401 km (0.095 R)
• M11: 8,734,421 km (0.09 R)
• M12: 9,220,016 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.7

Radius: 8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.36 AU - 1.62 AU

Year: 1193 Days

Day: 6 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,017,157 km

• M1: 99,782 km (0.107 R)
• M2: 350,358 km (0.03 R)
• M3: 633,846 km (0.119 R)
• M4: 910,602 km (0.083 R)
• M5: 1,515,576 km (0.109 R)
• M6: 2,069,986 km (0.099 R)
• M7: 2,354,820 km (0.09 R)
• M8: 2,968,770 km (0.094 R)
• M9: 3,294,893 km (0.072 R)
• M10: 3,877,876 km (0.091 R)
• M11: 4,878,686 km (0.082 R)
• M12: 5,599,598 km (0.113 R)
• M13: 5,873,661 km (0.088 R)
• M14: 6,668,774 km (0.086 R)
• M15: 7,102,907 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.4

Radius: 10.3

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.66 AU - 2.66 AU

Year: 2083 Days

Day: 10.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,017,157 km

• M1: 128,654 km (0.098 R)
• M2: 643,121 km (0.114 R)
• M3: 1,768,396 km (0.111 R)
• M4: 2,121,148 km (0.107 R)
• M5: 4,447,694 km (0.088 R)
• M6: 6,440,637 km (0.09 R)
• M7: 8,422,809 km (0.102 R)
• M8: 9,468,049 km (0.114 R)
• M9: 11,119,161 km (0.078 R)
• M10: 13,038,202 km (0.043 R)
• M11: 13,550,575 km (0.112 R)
• M12: 15,168,626 km (0.066 R)
• M13: 16,365,708 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.5

Radius: 9.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3 AU - 3.58 AU

Year: 3915 Days

Day: 12.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,017,157 km

• M1: 123,269 km (0.108 R)
• M2: 786,735 km (0.058 R)
• M3: 1,332,917 km (0.112 R)
• M4: 1,753,885 km (0.09 R)
• M5: 2,153,461 km (0.074 R)
• M6: 3,000,933 km (0.047 R)
• M7: 4,130,846 km (0.109 R)
• M8: 4,823,783 km (0.105 R)
• M9: 5,253,428 km (0.118 R)
• M10: 6,776,484 km (0.076 R)
• M11: 7,233,655 km (0.115 R)
• M12: 8,120,322 km (0.093 R)
• M13: 8,574,651 km (0.08 R)
• M14: 9,369,464 km (0.025 R)
• M15: 11,032,245 km (0.079 R)
• M16: 11,856,529 km (0.119 R)
• M17: 12,441,905 km (0.08 R)
• M18: 14,488,703 km (0.073 R)
• M19: 15,248,661 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.8

Radius: 5.1

Gravity: 29.29 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.23 AU - 7.25 AU

Year: 10226 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 151.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,017,157 km

• M1: 63,429 km (0.1 R)
• M2: 250,876 km (0.099 R)
• M3: 768,035 km (0.082 R)
• M4: 1,192,445 km (0.052 R)
• M5: 1,872,517 km (0.115 R)
• M6: 2,613,325 km (0.054 R)
• M7: 3,609,797 km (0.119 R)
• M8: 4,038,095 km (0.077 R)
• M9: 4,235,864 km (0.047 R)
• M10: 5,357,100 km (0.061 R)
• M11: 6,132,316 km (0.073 R)
• M12: 7,686,189 km (0.101 R)
• M13: 7,990,471 km (0.102 R)
• M14: 9,239,912 km (0.107 R)
• M15: 10,350,078 km (0.06 R)
• M16: 11,211,313 km (0.077 R)
• M17: 11,377,965 km (0.093 R)
• M18: 13,075,452 km (0.071 R)
• M19: 16,673,131 km (0.097 R)
• M20: 18,619,400 km (0.101 R)
• M21: 20,052,398 km (0.081 R)
• M22: 20,879,375 km (0.094 R)
• M23: 24,883,811 km (0.076 R)
• M24: 31,198,187 km (0.116 R)
• M25: 32,307,455 km (0.027 R)
• M26: 34,252,976 km (0.116 R)
• M27: 38,881,683 km (0.054 R)
• M28: 39,648,672 km (0.064 R)
• M29: 46,436,525 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.2

Radius: 4.2

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.85 AU - 8.45 AU

Year: 13880 Days

Day: 25 Hours

Environment

Temp: -225 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,017,157 km

• M1: 52,210 km (0.094 R)
• M2: 238,160 km (0.116 R)
• M3: 531,072 km (0.107 R)
• M4: 1,489,995 km (0.1 R)
• M5: 2,177,846 km (0.101 R)
• M6: 2,996,445 km (0.056 R)
• M7: 4,399,374 km (0.1 R)
• M8: 4,687,350 km (0.117 R)
• M9: 6,822,560 km (0.096 R)
• M10: 11,359,266 km (0.074 R)
• M11: 11,900,660 km (0.103 R)
• M12: 12,510,720 km (0.117 R)
• M13: 20,946,694 km (0.081 R)
• M14: 26,567,834 km (0.101 R)
• M15: 28,226,425 km (0.053 R)
• M16: 29,126,406 km (0.075 R)
• M17: 29,400,170 km (0.108 R)
• M18: 30,418,483 km (0.059 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: 501 - 16,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit