🌌 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: 263.2

Radius: 10.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.63 AU - 0.89 AU

Year: 457 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,282,909 km

• M1: 130,001 km (0.084 R)
• M2: 564,433 km (0.063 R)
• M3: 905,666 km (0.112 R)
• M4: 1,350,869 km (0.087 R)
• M5: 1,691,204 km (0.066 R)
• M6: 2,143,588 km (0.108 R)
• M7: 2,833,832 km (0.086 R)
• M8: 3,210,819 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.4

Radius: 14.5

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.79 AU - 0.93 AU

Year: 551 Days

Day: 8.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,282,909 km

• M1: 180,265 km (0.09 R)
• M2: 645,515 km (0.073 R)
• M3: 1,240,166 km (0.092 R)
• M4: 1,754,484 km (0.091 R)
• M5: 2,238,433 km (0.104 R)
• M6: 2,724,925 km (0.036 R)
• M7: 3,282,476 km (0.107 R)
• M8: 4,233,321 km (0.087 R)
• M9: 5,827,884 km (0.098 R)
• M10: 6,885,541 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.1

Radius: 13.1

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.48 AU - 1.72 AU

Year: 1397 Days

Day: 12.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,282,909 km

• M1: 162,912 km (0.046 R)
• M2: 610,659 km (0.059 R)
• M3: 1,098,198 km (0.107 R)
• M4: 1,509,443 km (0.025 R)
• M5: 2,375,764 km (0.103 R)
• M6: 3,349,646 km (0.042 R)
• M7: 4,784,888 km (0.065 R)
• M8: 5,457,779 km (0.095 R)
• M9: 6,031,786 km (0.115 R)
• M10: 6,500,476 km (0.078 R)
• M11: 7,197,602 km (0.046 R)
• M12: 8,421,911 km (0.057 R)
• M13: 9,190,246 km (0.115 R)
• M14: 10,199,433 km (0.12 R)
• M15: 12,853,299 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.9

Radius: 8.8

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.78 AU - 2.22 AU

Year: 1952 Days

Day: 9.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,282,909 km

• M1: 110,553 km (0.025 R)
• M2: 474,524 km (0.102 R)
• M3: 768,634 km (0.073 R)
• M4: 1,092,214 km (0.082 R)
• M5: 1,401,134 km (0.049 R)
• M6: 1,948,512 km (0.038 R)
• M7: 2,260,274 km (0.114 R)
• M8: 3,370,141 km (0.05 R)
• M9: 3,928,440 km (0.052 R)
• M10: 7,192,067 km (0.107 R)
• M11: 7,519,836 km (0.08 R)
• M12: 9,999,570 km (0.084 R)
• M13: 10,373,715 km (0.112 R)
• M14: 11,186,480 km (0.041 R)
• M15: 11,664,296 km (0.094 R)
• M16: 12,779,398 km (0.119 R)
• M17: 14,048,138 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863

Radius: 12

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.26 AU - 2.78 AU

Year: 2761 Days

Day: 9.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,282,909 km

• M1: 149,299 km (0.117 R)
• M2: 617,690 km (0.098 R)
• M3: 1,662,930 km (0.105 R)
• M4: 3,450,624 km (0.075 R)
• M5: 3,978,256 km (0.084 R)
• M6: 4,953,485 km (0.078 R)
• M7: 5,784,800 km (0.063 R)
• M8: 6,192,305 km (0.096 R)
• M9: 7,500,239 km (0.032 R)
• M10: 8,841,833 km (0.045 R)
• M11: 9,458,325 km (0.106 R)
• M12: 9,834,115 km (0.092 R)
• M13: 10,298,317 km (0.114 R)
• M14: 10,817,572 km (0.075 R)
• M15: 11,270,704 km (0.055 R)
• M16: 12,214,816 km (0.082 R)
• M17: 12,980,009 km (0.101 R)
• M18: 15,159,949 km (0.053 R)
• M19: 15,571,642 km (0.12 R)
• M20: 16,417,469 km (0.086 R)
• M21: 17,016,608 km (0.098 R)
• M22: 17,686,807 km (0.108 R)
• M23: 18,085,784 km (0.09 R)
• M24: 18,607,582 km (0.113 R)
• M25: 20,607,406 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.4

Radius: 10.3

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.63 AU - 4.11 AU

Year: 4270 Days

Day: 5.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,282,909 km

• M1: 129,552 km (0.116 R)
• M2: 457,620 km (0.04 R)
• M3: 872,754 km (0.109 R)
• M4: 1,552,676 km (0.08 R)
• M5: 2,505,316 km (0.105 R)
• M6: 3,258,092 km (0.114 R)
• M7: 4,830,216 km (0.089 R)
• M8: 5,577,158 km (0.085 R)
• M9: 6,272,639 km (0.032 R)
• M10: 7,024,966 km (0.101 R)
• M11: 10,072,125 km (0.072 R)
• M12: 11,909,337 km (0.097 R)
• M13: 12,652,689 km (0.09 R)
• M14: 14,286,746 km (0.086 R)
• M15: 16,597,285 km (0.077 R)
• M16: 17,777,613 km (0.081 R)
• M17: 18,291,032 km (0.088 R)
• M18: 19,146,433 km (0.098 R)
• M19: 21,007,879 km (0.091 R)
• M20: 22,611,569 km (0.08 R)
• M21: 25,328,565 km (0.118 R)
• M22: 26,473,886 km (0.076 R)
• M23: 27,059,263 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.3

Radius: 12.1

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.06 AU - 4.68 AU

Year: 5255 Days

Day: 5.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,282,909 km

• M1: 150,495 km (0.094 R)
• M2: 673,490 km (0.091 R)
• M3: 1,643,931 km (0.111 R)
• M4: 2,299,319 km (0.113 R)
• M5: 3,416,367 km (0.113 R)
• M6: 4,133,838 km (0.114 R)
• M7: 5,147,663 km (0.08 R)
• M8: 5,775,226 km (0.091 R)
• M9: 6,969,914 km (0.048 R)
• M10: 7,513,703 km (0.109 R)
• M11: 8,362,521 km (0.084 R)
• M12: 10,717,042 km (0.035 R)
• M13: 11,393,374 km (0.086 R)
• M14: 12,356,485 km (0.061 R)
• M15: 13,428,204 km (0.108 R)
• M16: 13,986,803 km (0.081 R)
• M17: 17,275,562 km (0.101 R)
• M18: 19,592,384 km (0.112 R)
• M19: 20,973,621 km (0.092 R)
• M20: 22,731,396 km (0.106 R)
• M21: 23,929,376 km (0.063 R)
• M22: 24,834,294 km (0.093 R)
• M23: 34,863,036 km (0.076 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 15,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit