🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454

Radius: 11.4

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.5 AU - 0.84 AU

Year: 366 Days

Day: 14 Hours

Environment

Temp: -159 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,133,279 km

• M1: 141,968 km (0.104 R)
• M2: 524,490 km (0.025 R)
• M3: 884,273 km (0.116 R)
• M4: 1,306,139 km (0.103 R)
• M5: 1,807,441 km (0.118 R)
• M6: 2,665,984 km (0.071 R)
• M7: 3,319,726 km (0.052 R)
• M8: 3,907,945 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.5

Radius: 12.7

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.91 AU - 0.93 AU

Year: 588 Days

Day: 11.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,133,279 km

• M1: 161,117 km (0.049 R)
• M2: 829,071 km (0.092 R)
• M3: 1,450,800 km (0.071 R)
• M4: 2,496,040 km (0.105 R)
• M5: 2,920,898 km (0.106 R)
• M6: 3,460,348 km (0.105 R)
• M7: 4,610,158 km (0.073 R)
• M8: 5,238,020 km (0.082 R)
• M9: 6,623,745 km (0.078 R)
• M10: 7,224,081 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.3

Radius: 13.9

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.71 AU - 1.17 AU

Year: 608 Days

Day: 11.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,133,279 km

• M1: 172,935 km (0.108 R)
• M2: 622,626 km (0.071 R)
• M3: 1,117,346 km (0.112 R)
• M4: 1,655,899 km (0.089 R)
• M5: 2,097,362 km (0.092 R)
• M6: 2,575,627 km (0.057 R)
• M7: 3,090,542 km (0.115 R)
• M8: 3,538,438 km (0.113 R)
• M9: 4,566,924 km (0.076 R)
• M10: 5,363,682 km (0.058 R)
• M11: 7,961,299 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.1

Radius: 13.8

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.05 AU - 1.09 AU

Year: 738 Days

Day: 9.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,133,279 km

• M1: 171,589 km (0.06 R)
• M2: 696,079 km (0.075 R)
• M3: 1,215,931 km (0.069 R)
• M4: 1,767,648 km (0.107 R)
• M5: 2,204,175 km (0.061 R)
• M6: 2,647,134 km (0.116 R)
• M7: 3,340,520 km (0.104 R)
• M8: 4,336,393 km (0.096 R)
• M9: 4,870,458 km (0.095 R)
• M10: 5,304,292 km (0.064 R)
• M11: 6,072,028 km (0.096 R)
• M12: 6,617,312 km (0.119 R)
• M13: 7,598,973 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.6

Radius: 14.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.83 AU - 2.09 AU

Year: 1830 Days

Day: 5.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,133,279 km

• M1: 177,872 km (0.105 R)
• M2: 641,476 km (0.084 R)
• M3: 1,120,937 km (0.111 R)
• M4: 1,908,270 km (0.115 R)
• M5: 2,451,311 km (0.103 R)
• M6: 3,057,182 km (0.118 R)
• M7: 3,950,880 km (0.075 R)
• M8: 4,485,842 km (0.048 R)
• M9: 4,937,478 km (0.12 R)
• M10: 5,539,759 km (0.107 R)
• M11: 8,242,095 km (0.077 R)
• M12: 8,784,387 km (0.061 R)
• M13: 9,321,593 km (0.088 R)
• M14: 10,276,027 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.1

Radius: 11.3

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.16 AU - 2.58 AU

Year: 2433 Days

Day: 5.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,133,279 km

• M1: 141,220 km (0.08 R)
• M2: 536,009 km (0.07 R)
• M3: 926,908 km (0.088 R)
• M4: 1,285,794 km (0.12 R)
• M5: 2,192,955 km (0.108 R)
• M6: 2,898,160 km (0.106 R)
• M7: 3,596,183 km (0.099 R)
• M8: 4,107,958 km (0.113 R)
• M9: 4,578,443 km (0.117 R)
• M10: 5,782,855 km (0.052 R)
• M11: 6,831,387 km (0.084 R)
• M12: 7,905,499 km (0.069 R)
• M13: 9,053,214 km (0.092 R)
• M14: 9,704,264 km (0.062 R)
• M15: 10,938,447 km (0.102 R)
• M16: 11,973,365 km (0.12 R)
• M17: 13,392,001 km (0.112 R)
• M18: 15,218,442 km (0.1 R)
• M19: 15,931,425 km (0.091 R)
• M20: 16,666,549 km (0.09 R)
• M21: 18,091,768 km (0.108 R)
• M22: 19,183,533 km (0.08 R)
• M23: 20,379,568 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.2

Radius: 11.7

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.92 AU - 4.68 AU

Year: 4940 Days

Day: 14.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,133,279 km

• M1: 145,559 km (0.117 R)
• M2: 2,027,949 km (0.096 R)
• M3: 2,572,036 km (0.091 R)
• M4: 2,994,052 km (0.099 R)
• M5: 4,050,362 km (0.101 R)
• M6: 4,470,134 km (0.108 R)
• M7: 4,946,304 km (0.093 R)
• M8: 5,663,775 km (0.086 R)
• M9: 6,032,235 km (0.082 R)
• M10: 7,094,230 km (0.112 R)
• M11: 8,083,671 km (0.096 R)
• M12: 8,752,523 km (0.054 R)
• M13: 9,759,316 km (0.088 R)
• M14: 10,563,704 km (0.112 R)
• M15: 14,342,397 km (0.062 R)
• M16: 15,799,929 km (0.055 R)
• M17: 17,611,709 km (0.062 R)
• M18: 18,267,396 km (0.026 R)
• M19: 23,479,386 km (0.092 R)
• M20: 26,169,156 km (0.043 R)
• M21: 27,283,061 km (0.045 R)
• M22: 29,974,028 km (0.039 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 14,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit