🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331

Radius: 8.3

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.74 AU - 0.78 AU

Year: 457 Days

Day: 7.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,814,551 km

• M1: 103,372 km (0.093 R)
• M2: 369,806 km (0.109 R)
• M3: 660,325 km (0.097 R)
• M4: 1,246,898 km (0.063 R)
• M5: 2,169,468 km (0.102 R)
• M6: 2,576,973 km (0.092 R)
• M7: 2,883,200 km (0.087 R)
• M8: 3,877,128 km (0.046 R)
• M9: 4,267,728 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.3

Radius: 8

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.69 AU - 1.87 AU

Year: 1639 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,814,551 km

• M1: 99,483 km (0.052 R)
• M2: 401,670 km (0.113 R)
• M3: 872,006 km (0.03 R)
• M4: 1,397,543 km (0.034 R)
• M5: 1,916,199 km (0.105 R)
• M6: 2,178,594 km (0.084 R)
• M7: 3,430,878 km (0.106 R)
• M8: 5,063,140 km (0.092 R)
• M9: 6,279,969 km (0.075 R)
• M10: 6,555,229 km (0.068 R)
• M11: 6,812,388 km (0.061 R)
• M12: 7,292,447 km (0.107 R)
• M13: 7,596,580 km (0.091 R)
• M14: 8,201,105 km (0.072 R)
• M15: 9,802,550 km (0.048 R)
• M16: 11,827,507 km (0.056 R)
• M17: 13,820,300 km (0.026 R)
• M18: 14,546,149 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.4

Radius: 9.5

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.58 AU - 2.46 AU

Year: 1982 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,814,551 km

• M1: 118,182 km (0.044 R)
• M2: 563,685 km (0.037 R)
• M3: 871,408 km (0.035 R)
• M4: 1,177,784 km (0.066 R)
• M5: 1,943,276 km (0.091 R)
• M6: 2,240,677 km (0.088 R)
• M7: 2,642,048 km (0.092 R)
• M8: 3,717,657 km (0.091 R)
• M9: 4,413,436 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.2

Radius: 14.4

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.89 AU - 3.77 AU

Year: 4194 Days

Day: 8.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,814,551 km

• M1: 230,082 km (0.115 R)
• M2: 706,401 km (0.1 R)
• M3: 1,181,524 km (0.099 R)
• M4: 1,829,283 km (0.117 R)
• M5: 3,304,467 km (0.099 R)
• M6: 3,813,100 km (0.085 R)
• M7: 7,226,624 km (0.055 R)
• M8: 7,877,375 km (0.118 R)
• M9: 8,869,209 km (0.116 R)
• M10: 11,875,528 km (0.077 R)
• M11: 12,347,808 km (0.12 R)
• M12: 13,532,623 km (0.11 R)
• M13: 13,995,928 km (0.077 R)
• M14: 21,096,591 km (0.113 R)
• M15: 23,518,730 km (0.094 R)
• M16: 24,720,599 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.3

Radius: 12.9

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.46 AU - 4 AU

Year: 4972 Days

Day: 10.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,814,551 km

• M1: 160,369 km (0.096 R)
• M2: 1,207,853 km (0.091 R)
• M3: 2,125,786 km (0.11 R)
• M4: 2,961,290 km (0.05 R)
• M5: 3,662,006 km (0.114 R)
• M6: 4,625,267 km (0.114 R)
• M7: 5,660,634 km (0.104 R)
• M8: 6,411,166 km (0.11 R)
• M9: 9,442,318 km (0.105 R)
• M10: 11,008,608 km (0.104 R)
• M11: 11,829,152 km (0.064 R)
• M12: 13,865,628 km (0.059 R)
• M13: 14,536,724 km (0.081 R)
• M14: 14,996,139 km (0.052 R)
• M15: 15,465,278 km (0.086 R)
• M16: 16,248,423 km (0.07 R)
• M17: 17,312,214 km (0.066 R)
• M18: 19,717,747 km (0.11 R)
• M19: 20,139,314 km (0.07 R)
• M20: 21,514,268 km (0.072 R)
• M21: 26,351,964 km (0.095 R)
• M22: 27,556,676 km (0.109 R)
• M23: 29,159,168 km (0.1 R)
• M24: 30,075,754 km (0.091 R)
• M25: 32,549,056 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.2

Radius: 4.4

Gravity: 43.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.74 AU - 8.28 AU

Year: 14206 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,814,551 km

• M1: 54,753 km (0.093 R)
• M2: 340,335 km (0.076 R)
• M3: 654,491 km (0.051 R)
• M4: 1,091,017 km (0.118 R)
• M5: 2,298,422 km (0.077 R)
• M6: 2,446,075 km (0.083 R)
• M7: 3,076,181 km (0.119 R)
• M8: 3,388,541 km (0.12 R)
• M9: 5,422,175 km (0.112 R)
• M10: 6,482,375 km (0.096 R)
• M11: 6,995,196 km (0.037 R)
• M12: 7,442,793 km (0.112 R)
• M13: 9,533,124 km (0.109 R)
• M14: 11,427,632 km (0.104 R)
• M15: 11,984,734 km (0.105 R)
• M16: 13,834,063 km (0.119 R)
• M17: 15,941,299 km (0.074 R)
• M18: 20,417,267 km (0.118 R)
• M19: 23,528,005 km (0.116 R)
• M20: 26,296,912 km (0.065 R)
• M21: 32,716,905 km (0.095 R)
• M22: 34,726,303 km (0.074 R)
• M23: 49,178,355 km (0.041 R)
• M24: 49,340,071 km (0.11 R)
• M25: 58,612,595 km (0.075 R)
• M26: 62,891,094 km (0.061 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: 302 - 13,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit