🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.7

Radius: 11.8

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.62 AU - 0.7 AU

Year: 364 Days

Day: 7.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,904,331 km

• M1: 146,756 km (0.111 R)
• M2: 518,805 km (0.118 R)
• M3: 912,996 km (0.104 R)
• M4: 1,571,226 km (0.115 R)
• M5: 2,315,027 km (0.064 R)
• M6: 3,491,315 km (0.116 R)
• M7: 3,862,617 km (0.112 R)
• M8: 4,526,532 km (0.073 R)
• M9: 5,186,109 km (0.098 R)
• M10: 5,789,587 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.9

Radius: 8.3

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.73 AU - 1.21 AU

Year: 648 Days

Day: 6.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,904,331 km

• M1: 103,223 km (0.112 R)
• M2: 376,987 km (0.11 R)
• M3: 819,497 km (0.099 R)
• M4: 1,183,618 km (0.085 R)
• M5: 1,717,084 km (0.115 R)
• M6: 2,075,820 km (0.107 R)
• M7: 2,696,801 km (0.066 R)
• M8: 3,074,984 km (0.108 R)
• M9: 4,426,152 km (0.108 R)
• M10: 5,173,244 km (0.108 R)
• M11: 6,507,507 km (0.097 R)
• M12: 6,874,172 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.3

Radius: 12.3

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.79 AU - 1.21 AU

Year: 678 Days

Day: 13.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 71 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,904,331 km

• M1: 154,834 km (0.104 R)
• M2: 632,649 km (0.083 R)
• M3: 1,094,009 km (0.08 R)
• M4: 1,627,924 km (0.057 R)
• M5: 2,031,539 km (0.114 R)
• M6: 2,566,950 km (0.107 R)
• M7: 3,102,211 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 13.9

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.06 AU - 1.56 AU

Year: 1017 Days

Day: 11.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,904,331 km

• M1: 172,935 km (0.109 R)
• M2: 611,706 km (0.104 R)
• M3: 1,061,098 km (0.045 R)
• M4: 1,689,708 km (0.11 R)
• M5: 2,672,117 km (0.027 R)
• M6: 3,394,525 km (0.108 R)
• M7: 3,875,482 km (0.099 R)
• M8: 4,600,284 km (0.084 R)
• M9: 5,054,164 km (0.1 R)
• M10: 5,791,233 km (0.084 R)
• M11: 6,321,856 km (0.083 R)
• M12: 6,908,878 km (0.052 R)
• M13: 8,495,663 km (0.099 R)
• M14: 9,007,437 km (0.119 R)
• M15: 9,479,568 km (0.114 R)
• M16: 10,963,130 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.5

Radius: 8.6

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.5 AU - 2.38 AU

Year: 1833 Days

Day: 6 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,904,331 km

• M1: 107,561 km (0.109 R)
• M2: 410,197 km (0.094 R)
• M3: 696,827 km (0.037 R)
• M4: 987,346 km (0.083 R)
• M5: 2,170,964 km (0.12 R)
• M6: 4,496,463 km (0.061 R)
• M7: 5,191,495 km (0.068 R)
• M8: 6,164,629 km (0.097 R)
• M9: 6,450,062 km (0.049 R)
• M10: 7,735,706 km (0.077 R)
• M11: 8,323,775 km (0.1 R)
• M12: 8,881,177 km (0.104 R)
• M13: 9,338,497 km (0.067 R)
• M14: 9,875,853 km (0.114 R)
• M15: 10,500,574 km (0.088 R)
• M16: 11,151,474 km (0.088 R)
• M17: 11,504,675 km (0.097 R)
• M18: 13,070,516 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.5

Radius: 11.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2 AU - 2.64 AU

Year: 2397 Days

Day: 7.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,904,331 km

• M1: 142,417 km (0.054 R)
• M2: 521,648 km (0.069 R)
• M3: 1,140,085 km (0.109 R)
• M4: 1,939,686 km (0.097 R)
• M5: 2,340,758 km (0.118 R)
• M6: 2,735,696 km (0.08 R)
• M7: 5,291,127 km (0.105 R)
• M8: 6,234,192 km (0.116 R)
• M9: 6,655,011 km (0.048 R)
• M10: 9,107,967 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.6

Radius: 9.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.64 AU - 3.06 AU

Year: 3263 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,904,331 km

• M1: 114,592 km (0.072 R)
• M2: 582,235 km (0.065 R)
• M3: 1,097,450 km (0.103 R)
• M4: 1,418,936 km (0.066 R)
• M5: 2,028,098 km (0.089 R)
• M6: 2,393,416 km (0.087 R)
• M7: 2,991,658 km (0.043 R)
• M8: 3,292,051 km (0.051 R)
• M9: 3,761,638 km (0.119 R)
• M10: 4,701,861 km (0.034 R)
• M11: 5,274,522 km (0.103 R)
• M12: 7,454,163 km (0.111 R)
• M13: 8,460,807 km (0.115 R)
• M14: 9,238,566 km (0.059 R)
• M15: 11,572,442 km (0.105 R)
• M16: 13,227,294 km (0.08 R)
• M17: 16,480,150 km (0.056 R)
• M18: 17,052,212 km (0.117 R)
• M19: 18,735,787 km (0.085 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 18,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit