🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.5

Radius: 11.3

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.9 AU - 1.12 AU

Year: 666 Days

Day: 11.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,717,441 km

• M1: 144,512 km (0.114 R)
• M2: 735,722 km (0.064 R)
• M3: 1,203,964 km (0.12 R)
• M4: 1,574,368 km (0.102 R)
• M5: 1,994,588 km (0.112 R)
• M6: 3,440,003 km (0.09 R)
• M7: 5,830,427 km (0.066 R)
• M8: 7,002,228 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.4

Radius: 9.2

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.67 AU - 2.03 AU

Year: 1651 Days

Day: 11.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,717,441 km

• M1: 115,639 km (0.076 R)
• M2: 445,802 km (0.11 R)
• M3: 873,203 km (0.089 R)
• M4: 1,796,521 km (0.107 R)
• M5: 2,254,889 km (0.09 R)
• M6: 2,693,061 km (0.091 R)
• M7: 3,187,183 km (0.094 R)
• M8: 3,681,155 km (0.081 R)
• M9: 4,225,392 km (0.082 R)
• M10: 4,559,893 km (0.026 R)
• M11: 5,225,753 km (0.065 R)
• M12: 5,513,430 km (0.085 R)
• M13: 5,872,913 km (0.115 R)
• M14: 6,441,236 km (0.064 R)
• M15: 7,161,998 km (0.11 R)
• M16: 8,290,864 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.8

Radius: 10.2

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.18 AU - 4.12 AU

Year: 4575 Days

Day: 6.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,717,441 km

• M1: 126,859 km (0.116 R)
• M2: 446,250 km (0.081 R)
• M3: 1,185,414 km (0.079 R)
• M4: 1,523,056 km (0.086 R)
• M5: 2,037,224 km (0.113 R)
• M6: 2,613,176 km (0.063 R)
• M7: 3,645,551 km (0.113 R)
• M8: 3,976,012 km (0.103 R)
• M9: 4,983,105 km (0.059 R)
• M10: 6,060,808 km (0.101 R)
• M11: 6,494,792 km (0.087 R)
• M12: 7,218,696 km (0.106 R)
• M13: 8,032,209 km (0.092 R)
• M14: 9,549,580 km (0.075 R)
• M15: 11,716,505 km (0.066 R)
• M16: 12,688,592 km (0.074 R)
• M17: 14,300,360 km (0.081 R)
• M18: 18,306,291 km (0.09 R)
• M19: 18,821,955 km (0.094 R)
• M20: 19,281,221 km (0.064 R)
• M21: 19,613,777 km (0.085 R)
• M22: 20,982,298 km (0.071 R)
• M23: 23,153,113 km (0.078 R)
• M24: 24,680,956 km (0.113 R)
• M25: 28,879,420 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.1

Radius: 7.9

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.27 AU - 7.27 AU

Year: 10299 Days

Day: 23.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,717,441 km

• M1: 100,679 km (0.088 R)
• M2: 397,332 km (0.062 R)
• M3: 718,369 km (0.089 R)
• M4: 1,189,901 km (0.093 R)
• M5: 1,690,157 km (0.113 R)
• M6: 2,252,346 km (0.075 R)
• M7: 3,241,487 km (0.113 R)
• M8: 4,270,870 km (0.112 R)
• M9: 4,552,114 km (0.119 R)
• M10: 5,871,268 km (0.089 R)
• M11: 8,519,748 km (0.107 R)
• M12: 8,786,033 km (0.114 R)
• M13: 9,618,844 km (0.049 R)
• M14: 10,503,117 km (0.093 R)
• M15: 11,174,811 km (0.065 R)
• M16: 13,661,427 km (0.112 R)
• M17: 15,886,097 km (0.068 R)
• M18: 16,979,209 km (0.112 R)
• M19: 17,903,574 km (0.118 R)
• M20: 21,526,685 km (0.091 R)
• M21: 24,881,866 km (0.082 R)
• M22: 26,073,413 km (0.043 R)
• M23: 26,353,759 km (0.097 R)
• M24: 27,785,561 km (0.061 R)
• M25: 29,167,994 km (0.077 R)
• M26: 30,699,428 km (0.099 R)
• M27: 31,221,674 km (0.09 R)
• M28: 31,749,754 km (0.095 R)
• M29: 34,930,953 km (0.109 R)
• M30: 39,658,695 km (0.107 R)
• M31: 44,396,010 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.7

Radius: 4.5

Gravity: 35.89 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.08 AU - 8.94 AU

Year: 13501 Days

Day: 22.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,717,441 km

• M1: 79,137 km (0.112 R)
• M2: 234,121 km (0.106 R)
• M3: 585,077 km (0.048 R)
• M4: 800,947 km (0.118 R)
• M5: 1,323,941 km (0.091 R)
• M6: 2,122,943 km (0.119 R)
• M7: 2,702,635 km (0.049 R)
• M8: 3,732,916 km (0.115 R)
• M9: 4,258,752 km (0.079 R)
• M10: 4,507,833 km (0.116 R)
• M11: 6,862,354 km (0.091 R)
• M12: 7,970,126 km (0.111 R)
• M13: 8,444,800 km (0.089 R)
• M14: 13,933,695 km (0.089 R)
• M15: 18,323,196 km (0.077 R)
• M16: 18,981,427 km (0.064 R)
• M17: 20,607,705 km (0.087 R)
• M18: 21,955,432 km (0.095 R)
• M19: 24,036,787 km (0.084 R)
• M20: 29,026,774 km (0.114 R)
• M21: 30,374,052 km (0.083 R)
• M22: 32,472,312 km (0.106 R)
• M23: 33,801,040 km (0.089 R)
• M24: 34,169,650 km (0.082 R)
• M25: 39,887,579 km (0.085 R)
• M26: 43,259,815 km (0.071 R)
• M27: 43,549,137 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 17,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit