🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.3

Radius: 8.7

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.5 AU - 0.64 AU

Year: 292 Days

Day: 14 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,681,809 km

• M1: 108,159 km (0.108 R)
• M2: 382,223 km (0.101 R)
• M3: 742,903 km (0.117 R)
• M4: 1,021,305 km (0.108 R)
• M5: 1,695,692 km (0.116 R)
• M6: 2,143,438 km (0.118 R)
• M7: 2,621,254 km (0.085 R)
• M8: 3,158,161 km (0.074 R)
• M9: 3,648,243 km (0.108 R)
• M10: 4,048,567 km (0.076 R)
• M11: 4,518,304 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.3

Radius: 14.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.73 AU - 0.79 AU

Year: 449 Days

Day: 13.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,681,809 km

• M1: 184,903 km (0.067 R)
• M2: 688,599 km (0.042 R)
• M3: 1,314,516 km (0.082 R)
• M4: 1,916,199 km (0.077 R)
• M5: 2,411,518 km (0.059 R)
• M6: 2,873,625 km (0.106 R)
• M7: 4,093,297 km (0.077 R)
• M8: 4,661,021 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.2

Radius: 10.1

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.74 AU - 1.2 AU

Year: 648 Days

Day: 11.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,681,809 km

• M1: 161,566 km (0.093 R)
• M2: 757,863 km (0.088 R)
• M3: 1,102,836 km (0.086 R)
• M4: 2,458,641 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.4

Radius: 14.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.17 AU - 1.17 AU

Year: 858 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,681,809 km

• M1: 182,958 km (0.031 R)
• M2: 680,820 km (0.104 R)
• M3: 1,398,142 km (0.058 R)
• M4: 1,937,292 km (0.114 R)
• M5: 2,742,279 km (0.115 R)
• M6: 3,705,090 km (0.108 R)

Asteroid Belt

Center: 1.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.5

Radius: 10.3

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.68 AU - 2.16 AU

Year: 1804 Days

Day: 11.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,681,809 km

• M1: 128,505 km (0.107 R)
• M2: 550,969 km (0.107 R)
• M3: 937,081 km (0.1 R)
• M4: 1,770,341 km (0.1 R)
• M5: 2,405,683 km (0.089 R)
• M6: 3,920,511 km (0.088 R)
• M7: 4,412,389 km (0.107 R)
• M8: 4,744,945 km (0.067 R)
• M9: 5,762,660 km (0.078 R)
• M10: 6,896,611 km (0.109 R)
• M11: 7,226,026 km (0.117 R)
• M12: 8,840,486 km (0.076 R)
• M13: 9,601,341 km (0.116 R)
• M14: 10,042,655 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.7

Radius: 14.1

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.59 AU - 2.27 AU

Year: 1819 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,681,809 km

• M1: 175,329 km (0.109 R)
• M2: 660,774 km (0.083 R)
• M3: 1,282,802 km (0.074 R)
• M4: 1,888,224 km (0.083 R)
• M5: 2,747,365 km (0.082 R)
• M6: 3,576,287 km (0.107 R)
• M7: 4,146,703 km (0.083 R)
• M8: 4,585,624 km (0.117 R)
• M9: 6,911,571 km (0.101 R)
• M10: 7,373,679 km (0.06 R)
• M11: 8,708,092 km (0.096 R)
• M12: 10,395,556 km (0.094 R)
• M13: 11,176,906 km (0.111 R)
• M14: 11,779,486 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.2

Radius: 9.8

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.18 AU - 2.92 AU

Year: 2762 Days

Day: 14.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,681,809 km

• M1: 123,717 km (0.072 R)
• M2: 453,282 km (0.083 R)
• M3: 848,669 km (0.117 R)
• M4: 1,186,461 km (0.103 R)
• M5: 1,637,648 km (0.1 R)
• M6: 2,328,341 km (0.034 R)
• M7: 2,661,047 km (0.102 R)
• M8: 3,077,827 km (0.113 R)
• M9: 3,897,324 km (0.028 R)
• M10: 4,414,484 km (0.04 R)
• M11: 4,807,926 km (0.068 R)
• M12: 5,377,595 km (0.097 R)
• M13: 5,772,982 km (0.074 R)
• M14: 7,139,110 km (0.114 R)
• M15: 8,150,990 km (0.081 R)
• M16: 10,296,821 km (0.098 R)
• M17: 12,292,607 km (0.091 R)
• M18: 13,888,367 km (0.119 R)
• M19: 17,543,641 km (0.075 R)
• M20: 19,499,484 km (0.056 R)
• M21: 21,204,750 km (0.047 R)
• M22: 22,060,151 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984

Radius: 11.8

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.7 AU - 5.1 AU

Year: 6260 Days

Day: 11.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,681,809 km

• M1: 146,756 km (0.051 R)
• M2: 800,498 km (0.066 R)
• M3: 1,222,065 km (0.116 R)
• M4: 1,655,899 km (0.071 R)
• M5: 2,276,431 km (0.039 R)
• M6: 2,746,767 km (0.101 R)
• M7: 3,152,326 km (0.118 R)
• M8: 4,111,249 km (0.081 R)
• M9: 5,016,615 km (0.064 R)
• M10: 5,439,079 km (0.096 R)
• M11: 5,885,180 km (0.113 R)
• M12: 6,851,283 km (0.101 R)
• M13: 8,536,653 km (0.076 R)
• M14: 10,975,397 km (0.1 R)
• M15: 17,116,540 km (0.111 R)
• M16: 21,257,409 km (0.107 R)
• M17: 21,808,228 km (0.109 R)
• M18: 22,938,141 km (0.098 R)
• M19: 23,351,031 km (0.109 R)
• M20: 28,796,094 km (0.059 R)
• M21: 30,751,039 km (0.09 R)
• M22: 32,480,989 km (0.036 R)
• M23: 33,953,630 km (0.109 R)
• M24: 35,032,530 km (0.041 R)
• M25: 35,690,761 km (0.06 R)
• M26: 38,522,499 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.3

Radius: 4.8

Gravity: 23.54 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.13 AU - 7.53 AU

Year: 10802 Days

Day: 20.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,681,809 km

• M1: 59,839 km (0.115 R)
• M2: 261,647 km (0.109 R)
• M3: 416,181 km (0.099 R)
• M4: 619,634 km (0.036 R)
• M5: 1,173,446 km (0.12 R)
• M6: 1,601,744 km (0.07 R)
• M7: 3,021,129 km (0.06 R)
• M8: 3,588,404 km (0.046 R)
• M9: 4,568,121 km (0.11 R)
• M10: 6,064,099 km (0.1 R)
• M11: 7,524,025 km (0.09 R)
• M12: 8,424,006 km (0.075 R)
• M13: 10,486,661 km (0.057 R)
• M14: 11,171,071 km (0.117 R)
• M15: 14,398,197 km (0.089 R)
• M16: 17,388,957 km (0.044 R)
• M17: 23,930,274 km (0.119 R)
• M18: 26,048,879 km (0.108 R)
• M19: 27,007,652 km (0.075 R)
• M20: 27,594,225 km (0.098 R)
• M21: 31,400,144 km (0.085 R)
• M22: 34,502,355 km (0.119 R)
• M23: 35,658,148 km (0.085 R)
• M24: 36,245,470 km (0.096 R)
• M25: 36,839,373 km (0.03 R)
• M26: 43,271,782 km (0.098 R)
• M27: 46,402,567 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 12,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit