🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.6

Radius: 12.8

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.44 AU - 0.6 AU

Year: 250 Days

Day: 5.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,223,845 km

• M1: 159,322 km (0.037 R)
• M2: 610,659 km (0.1 R)
• M3: 1,112,709 km (0.079 R)
• M4: 1,592,170 km (0.065 R)
• M5: 2,110,676 km (0.11 R)
• M6: 2,512,197 km (0.074 R)
• M7: 3,003,925 km (0.106 R)
• M8: 3,885,954 km (0.031 R)
• M9: 4,294,356 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.6

Radius: 14.2

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.71 AU - 0.75 AU

Year: 416 Days

Day: 11.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 62.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,223,845 km

• M1: 176,675 km (0.036 R)
• M2: 703,260 km (0.115 R)
• M3: 1,158,037 km (0.102 R)
• M4: 1,871,170 km (0.118 R)
• M5: 2,409,573 km (0.051 R)
• M6: 3,030,554 km (0.093 R)
• M7: 3,483,386 km (0.106 R)
• M8: 4,045,575 km (0.092 R)
• M9: 4,870,159 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.6

Radius: 13.2

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.26 AU - 1.32 AU

Year: 977 Days

Day: 10.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,223,845 km

• M1: 164,258 km (0.095 R)
• M2: 586,723 km (0.039 R)
• M3: 1,229,246 km (0.075 R)
• M4: 1,908,570 km (0.109 R)
• M5: 2,433,658 km (0.111 R)
• M6: 2,982,084 km (0.039 R)
• M7: 3,463,490 km (0.104 R)
• M8: 4,130,996 km (0.12 R)
• M9: 4,699,168 km (0.111 R)
• M10: 5,319,102 km (0.064 R)
• M11: 5,876,952 km (0.079 R)
• M12: 6,535,482 km (0.107 R)
• M13: 7,489,617 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.1

Radius: 8.7

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.59 AU - 2.09 AU

Year: 1664 Days

Day: 13.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,223,845 km

• M1: 108,309 km (0.075 R)
• M2: 400,174 km (0.107 R)
• M3: 687,402 km (0.104 R)
• M4: 997,967 km (0.093 R)
• M5: 1,606,532 km (0.096 R)
• M6: 2,443,831 km (0.098 R)
• M7: 2,885,893 km (0.071 R)
• M8: 4,578,892 km (0.103 R)
• M9: 5,208,699 km (0.098 R)
• M10: 5,776,722 km (0.12 R)
• M11: 6,088,035 km (0.117 R)
• M12: 7,198,500 km (0.106 R)
• M13: 7,672,875 km (0.106 R)
• M14: 8,168,044 km (0.068 R)
• M15: 8,934,583 km (0.082 R)
• M16: 10,753,245 km (0.05 R)
• M17: 12,017,496 km (0.037 R)
• M18: 14,009,841 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.4

Radius: 10.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.59 AU - 2.91 AU

Year: 3041 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,223,845 km

• M1: 137,480 km (0.109 R)
• M2: 518,506 km (0.093 R)
• M3: 1,069,625 km (0.05 R)
• M4: 1,817,165 km (0.077 R)
• M5: 2,794,787 km (0.054 R)
• M6: 3,743,088 km (0.114 R)
• M7: 6,243,467 km (0.057 R)
• M8: 7,207,925 km (0.066 R)
• M9: 7,827,409 km (0.047 R)
• M10: 8,189,586 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.9

Radius: 8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.63 AU - 3.89 AU

Year: 3925 Days

Day: 6.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,223,845 km

• M1: 99,483 km (0.12 R)
• M2: 516,711 km (0.099 R)
• M3: 945,010 km (0.075 R)
• M4: 1,244,355 km (0.028 R)
• M5: 1,750,893 km (0.091 R)
• M6: 2,209,112 km (0.076 R)
• M7: 3,103,258 km (0.097 R)
• M8: 3,698,807 km (0.106 R)
• M9: 4,950,792 km (0.107 R)
• M10: 5,634,753 km (0.095 R)
• M11: 6,922,193 km (0.112 R)
• M12: 7,371,585 km (0.099 R)
• M13: 7,650,435 km (0.104 R)
• M14: 9,011,327 km (0.115 R)
• M15: 10,840,909 km (0.043 R)
• M16: 11,406,090 km (0.096 R)
• M17: 13,958,977 km (0.118 R)
• M18: 14,725,218 km (0.047 R)
• M19: 16,185,143 km (0.079 R)
• M20: 16,710,232 km (0.082 R)
• M21: 19,040,219 km (0.09 R)
• M22: 19,625,445 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.9

Radius: 14

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.02 AU - 3.64 AU

Year: 4052 Days

Day: 7.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,223,845 km

• M1: 174,282 km (0.073 R)
• M2: 650,900 km (0.11 R)
• M3: 1,875,359 km (0.086 R)
• M4: 2,580,713 km (0.118 R)
• M5: 3,381,061 km (0.065 R)
• M6: 3,819,682 km (0.071 R)
• M7: 4,911,448 km (0.114 R)
• M8: 6,144,134 km (0.065 R)
• M9: 6,833,481 km (0.059 R)
• M10: 8,656,182 km (0.059 R)
• M11: 9,139,682 km (0.115 R)
• M12: 9,680,628 km (0.072 R)
• M13: 11,040,622 km (0.081 R)
• M14: 12,061,478 km (0.115 R)
• M15: 12,571,607 km (0.094 R)
• M16: 13,486,547 km (0.119 R)
• M17: 14,087,033 km (0.101 R)
• M18: 18,557,317 km (0.078 R)
• M19: 22,336,458 km (0.119 R)
• M20: 22,965,667 km (0.094 R)
• M21: 24,113,382 km (0.103 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 12,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit