🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.4

Radius: 10.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.26 AU - 1.98 AU

Year: 1353 Days

Day: 6.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,556,533 km

• M1: 135,536 km (0.049 R)
• M2: 534,064 km (0.029 R)
• M3: 889,210 km (0.065 R)
• M4: 1,611,618 km (0.049 R)
• M5: 1,996,683 km (0.096 R)
• M6: 2,364,394 km (0.082 R)
• M7: 3,659,613 km (0.077 R)
• M8: 4,019,096 km (0.097 R)
• M9: 4,506,037 km (0.083 R)
• M10: 5,242,358 km (0.082 R)
• M11: 5,887,574 km (0.083 R)
• M12: 6,383,341 km (0.091 R)
• M13: 6,930,271 km (0.119 R)
• M14: 8,275,754 km (0.071 R)
• M15: 8,954,480 km (0.116 R)
• M16: 9,436,933 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.4

Radius: 10.8

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.73 AU - 1.77 AU

Year: 1519 Days

Day: 11.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,556,533 km

• M1: 135,236 km (0.112 R)
• M2: 516,262 km (0.079 R)
• M3: 1,373,159 km (0.093 R)
• M4: 1,841,999 km (0.063 R)
• M5: 2,867,642 km (0.043 R)
• M6: 3,844,815 km (0.111 R)
• M7: 4,842,483 km (0.07 R)
• M8: 6,378,554 km (0.111 R)
• M9: 9,417,485 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.2

Radius: 9.4

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.73 AU - 4.65 AU

Year: 5626 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,556,533 km

• M1: 119,080 km (0.078 R)
• M2: 533,765 km (0.095 R)
• M3: 1,060,051 km (0.111 R)
• M4: 1,580,352 km (0.034 R)
• M5: 3,299,979 km (0.071 R)
• M6: 3,793,503 km (0.117 R)
• M7: 4,258,603 km (0.094 R)
• M8: 4,734,025 km (0.103 R)
• M9: 6,013,984 km (0.116 R)
• M10: 6,682,387 km (0.119 R)
• M11: 7,142,700 km (0.07 R)
• M12: 11,521,878 km (0.063 R)
• M13: 14,267,897 km (0.082 R)
• M14: 15,032,192 km (0.052 R)
• M15: 15,454,806 km (0.101 R)
• M16: 23,423,885 km (0.071 R)
• M17: 24,156,316 km (0.117 R)
• M18: 26,011,180 km (0.063 R)
• M19: 31,746,613 km (0.076 R)
• M20: 34,592,712 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63

Radius: 13.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.4 AU - 5.6 AU

Year: 6262 Days

Day: 8.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,556,533 km

• M1: 187,596 km (0.102 R)
• M2: 653,144 km (0.079 R)
• M3: 1,244,505 km (0.112 R)
• M4: 1,737,729 km (0.114 R)
• M5: 3,308,806 km (0.067 R)
• M6: 5,545,593 km (0.099 R)
• M7: 6,597,864 km (0.095 R)
• M8: 7,721,195 km (0.098 R)
• M9: 8,222,946 km (0.061 R)
• M10: 9,523,400 km (0.069 R)
• M11: 10,666,478 km (0.025 R)
• M12: 11,327,551 km (0.036 R)
• M13: 14,960,834 km (0.118 R)
• M14: 15,463,932 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.5

Radius: 3.9

Gravity: 28.7 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.11 AU - 6.63 AU

Year: 10547 Days

Day: 24.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,556,533 km

• M1: 48,470 km (0.116 R)
• M2: 184,155 km (0.099 R)
• M3: 346,020 km (0.096 R)
• M4: 661,073 km (0.111 R)
• M5: 816,206 km (0.101 R)
• M6: 955,781 km (0.045 R)
• M7: 1,133,353 km (0.101 R)
• M8: 1,568,683 km (0.114 R)
• M9: 2,175,901 km (0.114 R)
• M10: 2,719,540 km (0.116 R)
• M11: 4,681,665 km (0.074 R)
• M12: 5,416,789 km (0.09 R)
• M13: 5,579,103 km (0.105 R)
• M14: 5,811,728 km (0.074 R)
• M15: 6,261,120 km (0.105 R)
• M16: 8,121,818 km (0.093 R)
• M17: 8,638,828 km (0.07 R)
• M18: 10,571,034 km (0.031 R)
• M19: 11,397,263 km (0.082 R)
• M20: 12,154,827 km (0.08 R)
• M21: 12,546,025 km (0.04 R)
• M22: 14,879,902 km (0.08 R)
• M23: 18,640,493 km (0.066 R)
• M24: 22,400,785 km (0.102 R)
• M25: 30,550,578 km (0.113 R)
• M26: 40,104,347 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.1

Radius: 4.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.04 AU - 10.58 AU

Year: 20156 Days

Day: 19.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,556,533 km

• M1: 57,446 km (0.113 R)
• M2: 206,744 km (0.108 R)
• M3: 607,517 km (0.117 R)
• M4: 1,820,157 km (0.101 R)
• M5: 3,360,567 km (0.096 R)
• M6: 4,914,290 km (0.101 R)
• M7: 5,544,695 km (0.083 R)
• M8: 8,278,148 km (0.12 R)
• M9: 9,657,889 km (0.102 R)
• M10: 10,837,169 km (0.081 R)
• M11: 16,779,047 km (0.06 R)
• M12: 20,356,680 km (0.111 R)
• M13: 20,506,427 km (0.09 R)
• M14: 20,808,316 km (0.104 R)
• M15: 24,411,081 km (0.115 R)
• M16: 25,351,005 km (0.047 R)
• M17: 26,492,736 km (0.048 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 14,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit