🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.5

Radius: 10.9

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.85 AU - 0.87 AU

Year: 532 Days

Day: 14.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,848,809 km

• M1: 135,536 km (0.112 R)
• M2: 486,492 km (0.059 R)
• M3: 1,050,626 km (0.088 R)
• M4: 1,787,246 km (0.104 R)
• M5: 3,355,031 km (0.082 R)
• M6: 4,387,107 km (0.07 R)
• M7: 4,796,257 km (0.046 R)
• M8: 6,473,399 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.5

Radius: 12.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.35 AU - 1.37 AU

Year: 1058 Days

Day: 9.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,848,809 km

• M1: 160,369 km (0.083 R)
• M2: 715,227 km (0.049 R)
• M3: 1,140,085 km (0.118 R)
• M4: 1,748,799 km (0.073 R)
• M5: 2,818,723 km (0.063 R)
• M6: 3,371,038 km (0.073 R)
• M7: 4,219,408 km (0.043 R)
• M8: 5,019,009 km (0.111 R)
• M9: 6,558,670 km (0.066 R)
• M10: 7,175,312 km (0.108 R)
• M11: 8,738,760 km (0.1 R)
• M12: 9,148,957 km (0.054 R)
• M13: 9,715,933 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.4

Radius: 9.2

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.31 AU - 3.53 AU

Year: 3327 Days

Day: 5.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,848,809 km

• M1: 114,592 km (0.093 R)
• M2: 444,904 km (0.076 R)
• M3: 752,627 km (0.055 R)
• M4: 1,271,881 km (0.083 R)
• M5: 1,716,785 km (0.105 R)
• M6: 2,295,579 km (0.093 R)
• M7: 2,947,377 km (0.065 R)
• M8: 3,553,548 km (0.105 R)
• M9: 4,125,610 km (0.063 R)
• M10: 6,279,670 km (0.067 R)
• M11: 9,430,949 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 14.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.78 AU - 3.1 AU

Year: 3362 Days

Day: 13.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,848,809 km

• M1: 182,809 km (0.112 R)
• M2: 918,082 km (0.104 R)
• M3: 1,501,514 km (0.045 R)
• M4: 2,168,421 km (0.097 R)
• M5: 2,703,383 km (0.099 R)
• M6: 3,473,812 km (0.082 R)
• M7: 4,343,425 km (0.112 R)
• M8: 5,610,369 km (0.076 R)
• M9: 7,613,784 km (0.112 R)
• M10: 9,301,397 km (0.078 R)
• M11: 10,854,971 km (0.114 R)
• M12: 12,756,958 km (0.1 R)
• M13: 13,406,512 km (0.112 R)
• M14: 15,384,495 km (0.087 R)
• M15: 17,834,909 km (0.103 R)
• M16: 19,003,567 km (0.035 R)
• M17: 21,753,774 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.3

Radius: 8.6

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.6 AU - 5.72 AU

Year: 8980 Days

Day: 14.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,848,809 km

• M1: 106,962 km (0.103 R)
• M2: 382,223 km (0.091 R)
• M3: 718,070 km (0.058 R)
• M4: 1,021,903 km (0.104 R)
• M5: 1,377,497 km (0.119 R)
• M6: 1,945,520 km (0.045 R)
• M7: 2,949,771 km (0.113 R)
• M8: 3,634,480 km (0.098 R)
• M9: 4,911,298 km (0.114 R)
• M10: 5,967,609 km (0.107 R)
• M11: 6,498,083 km (0.114 R)
• M12: 7,352,436 km (0.081 R)
• M13: 8,319,886 km (0.091 R)
• M14: 9,369,763 km (0.095 R)
• M15: 9,813,620 km (0.111 R)
• M16: 11,832,593 km (0.091 R)
• M17: 19,171,117 km (0.081 R)
• M18: 21,524,142 km (0.089 R)
• M19: 23,410,421 km (0.099 R)
• M20: 26,442,770 km (0.117 R)
• M21: 33,788,325 km (0.064 R)
• M22: 36,112,776 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.6

Radius: 6.7

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.61 AU - 8.93 AU

Year: 13072 Days

Day: 19.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,848,809 km

• M1: 88,263 km (0.07 R)
• M2: 333,603 km (0.079 R)
• M3: 1,011,431 km (0.032 R)
• M4: 1,399,039 km (0.119 R)
• M5: 1,881,941 km (0.064 R)
• M6: 3,055,836 km (0.102 R)
• M7: 4,149,995 km (0.079 R)
• M8: 4,472,976 km (0.077 R)
• M9: 7,617,374 km (0.105 R)
• M10: 9,091,811 km (0.1 R)
• M11: 10,839,413 km (0.082 R)
• M12: 11,743,283 km (0.112 R)
• M13: 14,585,344 km (0.048 R)
• M14: 15,449,421 km (0.104 R)
• M15: 16,778,000 km (0.076 R)
• M16: 17,920,179 km (0.096 R)
• M17: 22,027,090 km (0.102 R)
• M18: 24,980,451 km (0.049 R)
• M19: 28,451,720 km (0.102 R)
• M20: 30,533,225 km (0.037 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 11,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit