🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.6

Radius: 12

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.56 AU - 0.62 AU

Year: 302 Days

Day: 13.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,708,030 km

• M1: 149,448 km (0.097 R)
• M2: 523,443 km (0.028 R)
• M3: 914,342 km (0.081 R)
• M4: 1,312,123 km (0.043 R)
• M5: 1,746,705 km (0.106 R)
• M6: 2,135,510 km (0.096 R)
• M7: 2,538,676 km (0.092 R)
• M8: 3,225,031 km (0.11 R)
• M9: 4,116,784 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 8.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.12 AU - 1.2 AU

Year: 833 Days

Day: 6.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,708,030 km

• M1: 108,608 km (0.108 R)
• M2: 434,731 km (0.052 R)
• M3: 726,148 km (0.1 R)
• M4: 1,130,511 km (0.116 R)
• M5: 1,971,999 km (0.073 R)
• M6: 2,708,918 km (0.112 R)
• M7: 3,694,619 km (0.089 R)
• M8: 4,039,442 km (0.082 R)
• M9: 5,777,919 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.9

Radius: 11.2

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.14 AU - 1.2 AU

Year: 844 Days

Day: 8.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,708,030 km

• M1: 139,425 km (0.066 R)
• M2: 528,230 km (0.096 R)
• M3: 1,021,305 km (0.088 R)
• M4: 1,857,706 km (0.08 R)
• M5: 2,349,584 km (0.117 R)
• M6: 2,768,907 km (0.114 R)
• M7: 5,057,306 km (0.102 R)
• M8: 6,754,793 km (0.053 R)
• M9: 7,131,031 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.9

Radius: 14.6

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.32 AU - 1.38 AU

Year: 1046 Days

Day: 6.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 34,708,030 km

• M1: 181,612 km (0.105 R)
• M2: 667,954 km (0.101 R)
• M3: 1,301,501 km (0.044 R)
• M4: 4,748,984 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.4

Radius: 12.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.87 AU - 3.01 AU

Year: 2542 Days

Day: 5.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,708,030 km

• M1: 151,842 km (0.097 R)
• M2: 537,505 km (0.036 R)
• M3: 958,773 km (0.057 R)
• M4: 1,379,442 km (0.082 R)
• M5: 1,984,416 km (0.076 R)
• M6: 2,486,466 km (0.111 R)
• M7: 2,929,575 km (0.069 R)
• M8: 3,495,803 km (0.1 R)
• M9: 5,307,134 km (0.05 R)
• M10: 5,718,977 km (0.069 R)
• M11: 6,390,522 km (0.118 R)
• M12: 6,970,812 km (0.075 R)
• M13: 7,376,970 km (0.096 R)
• M14: 8,365,064 km (0.113 R)
• M15: 11,339,070 km (0.096 R)
• M16: 14,577,565 km (0.12 R)
• M17: 17,418,578 km (0.063 R)
• M18: 17,952,642 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.2

Radius: 14.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.36 AU - 2.86 AU

Year: 2812 Days

Day: 8.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,708,030 km

• M1: 181,612 km (0.086 R)
• M2: 738,415 km (0.108 R)
• M3: 1,283,251 km (0.093 R)
• M4: 2,515,488 km (0.119 R)
• M5: 3,201,544 km (0.029 R)
• M6: 3,667,841 km (0.09 R)
• M7: 4,122,917 km (0.108 R)
• M8: 4,698,420 km (0.094 R)
• M9: 5,327,180 km (0.097 R)
• M10: 8,270,817 km (0.095 R)
• M11: 8,930,694 km (0.097 R)
• M12: 9,557,658 km (0.117 R)
• M13: 10,826,697 km (0.047 R)
• M14: 11,655,768 km (0.077 R)
• M15: 13,914,547 km (0.099 R)
• M16: 15,589,744 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.8

Radius: 10.5

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.53 AU - 5.65 AU

Year: 8813 Days

Day: 6.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,708,030 km

• M1: 131,197 km (0.119 R)
• M2: 752,477 km (0.067 R)
• M3: 1,201,121 km (0.099 R)
• M4: 1,717,084 km (0.103 R)
• M5: 2,073,277 km (0.065 R)
• M6: 4,050,961 km (0.113 R)
• M7: 4,583,679 km (0.064 R)
• M8: 5,220,367 km (0.054 R)
• M9: 6,138,150 km (0.105 R)
• M10: 7,340,917 km (0.098 R)
• M11: 7,863,762 km (0.028 R)
• M12: 8,331,554 km (0.107 R)
• M13: 8,984,100 km (0.096 R)
• M14: 9,365,874 km (0.067 R)
• M15: 10,437,294 km (0.041 R)
• M16: 13,972,441 km (0.102 R)
• M17: 15,610,837 km (0.102 R)
• M18: 24,753,960 km (0.041 R)
• M19: 26,101,388 km (0.12 R)
• M20: 27,143,486 km (0.1 R)
• M21: 29,033,805 km (0.084 R)
• M22: 29,589,561 km (0.048 R)
• M23: 30,914,101 km (0.1 R)
• M24: 31,688,419 km (0.108 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: 250 - 14,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit