🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.2

Radius: 14.1

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.62 AU - 0.66 AU

Year: 341 Days

Day: 10.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,581,097 km

• M1: 175,329 km (0.111 R)
• M2: 722,109 km (0.043 R)
• M3: 1,185,414 km (0.1 R)
• M4: 1,779,317 km (0.043 R)
• M5: 2,509,355 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.5

Radius: 14.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.06 AU - 1.22 AU

Year: 812 Days

Day: 6 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 89,581,097 km

• M1: 243,545 km (0.101 R)
• M2: 1,331,271 km (0.104 R)
• M3: 1,919,789 km (0.11 R)
• M4: 3,310,002 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385

Radius: 13.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.21 AU - 1.83 AU

Year: 1250 Days

Day: 5.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,581,097 km

• M1: 173,833 km (0.106 R)
• M2: 636,389 km (0.109 R)
• M3: 1,545,645 km (0.108 R)
• M4: 1,980,377 km (0.084 R)
• M5: 2,952,164 km (0.108 R)
• M6: 3,767,922 km (0.065 R)
• M7: 5,392,554 km (0.101 R)
• M8: 6,033,731 km (0.069 R)
• M9: 7,113,828 km (0.076 R)
• M10: 7,936,317 km (0.089 R)
• M11: 9,742,561 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.4

Radius: 13.2

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.58 AU - 1.9 AU

Year: 1531 Days

Day: 10.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,581,097 km

• M1: 164,109 km (0.115 R)
• M2: 728,392 km (0.102 R)
• M3: 1,785,002 km (0.074 R)
• M4: 2,213,899 km (0.075 R)
• M5: 3,184,789 km (0.12 R)
• M6: 5,121,334 km (0.113 R)
• M7: 7,231,711 km (0.106 R)
• M8: 7,720,447 km (0.097 R)
• M9: 8,313,902 km (0.108 R)
• M10: 9,470,892 km (0.118 R)
• M11: 10,247,005 km (0.119 R)
• M12: 11,576,482 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.1

Radius: 12.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.13 AU - 2.75 AU

Year: 2542 Days

Day: 8 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,581,097 km

• M1: 175,478 km (0.08 R)
• M2: 684,859 km (0.102 R)
• M3: 1,200,523 km (0.051 R)
• M4: 2,353,025 km (0.069 R)
• M5: 5,590,622 km (0.08 R)
• M6: 5,995,284 km (0.069 R)
• M7: 7,845,660 km (0.118 R)
• M8: 13,075,003 km (0.095 R)
• M9: 13,564,637 km (0.117 R)
• M10: 14,770,695 km (0.08 R)
• M11: 16,402,958 km (0.088 R)
• M12: 17,555,909 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.9

Radius: 14.9

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.4 AU - 4.64 AU

Year: 5375 Days

Day: 10.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,581,097 km

• M1: 185,352 km (0.064 R)
• M2: 892,052 km (0.117 R)
• M3: 2,502,174 km (0.088 R)
• M4: 2,972,958 km (0.109 R)
• M5: 3,645,999 km (0.071 R)
• M6: 4,114,989 km (0.092 R)
• M7: 8,171,784 km (0.061 R)
• M8: 8,982,305 km (0.111 R)
• M9: 9,973,840 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 11.8

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.71 AU - 5.45 AU

Year: 7635 Days

Day: 9 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,581,097 km

• M1: 146,756 km (0.055 R)
• M2: 832,512 km (0.031 R)
• M3: 2,012,839 km (0.096 R)
• M4: 2,461,035 km (0.104 R)
• M5: 3,227,125 km (0.097 R)
• M6: 4,249,328 km (0.109 R)
• M7: 7,680,504 km (0.086 R)
• M8: 8,078,435 km (0.096 R)
• M9: 8,658,575 km (0.107 R)
• M10: 12,414,230 km (0.045 R)
• M11: 12,852,402 km (0.079 R)
• M12: 14,169,761 km (0.095 R)
• M13: 14,769,798 km (0.041 R)
• M14: 17,004,341 km (0.075 R)
• M15: 20,423,550 km (0.049 R)
• M16: 21,267,132 km (0.117 R)
• M17: 21,658,331 km (0.097 R)
• M18: 22,778,969 km (0.111 R)
• M19: 23,353,724 km (0.098 R)
• M20: 24,962,349 km (0.036 R)
• M21: 28,493,906 km (0.059 R)
• M22: 29,065,221 km (0.05 R)
• M23: 33,702,904 km (0.074 R)
• M24: 35,754,639 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.5

Radius: 7.1

Gravity: 19.77 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.42 AU - 10.64 AU

Year: 21183 Days

Day: 19.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,581,097 km

• M1: 88,412 km (0.086 R)
• M2: 512,672 km (0.046 R)
• M3: 1,135,149 km (0.074 R)
• M4: 1,503,459 km (0.071 R)
• M5: 1,869,375 km (0.115 R)
• M6: 2,528,802 km (0.075 R)
• M7: 3,452,868 km (0.092 R)
• M8: 3,763,134 km (0.1 R)
• M9: 4,092,100 km (0.108 R)
• M10: 5,437,883 km (0.1 R)
• M11: 6,861,755 km (0.047 R)
• M12: 7,104,852 km (0.049 R)
• M13: 9,740,168 km (0.108 R)
• M14: 10,298,018 km (0.104 R)
• M15: 10,942,635 km (0.087 R)
• M16: 12,383,562 km (0.111 R)
• M17: 14,416,298 km (0.115 R)
• M18: 16,574,696 km (0.113 R)
• M19: 21,520,252 km (0.097 R)
• M20: 22,042,199 km (0.058 R)
• M21: 26,525,198 km (0.034 R)
• M22: 33,075,491 km (0.055 R)
• M23: 36,352,881 km (0.111 R)
• M24: 37,541,885 km (0.097 R)
• M25: 44,885,345 km (0.12 R)
• M26: 47,472,491 km (0.069 R)
• M27: 50,157,324 km (0.096 R)
• M28: 50,522,791 km (0.088 R)
• M29: 58,009,417 km (0.113 R)
• M30: 59,019,502 km (0.036 R)
• M31: 60,453,547 km (0.116 R)
• M32: 61,075,126 km (0.065 R)
• M33: 64,032,377 km (0.101 R)
• M34: 65,764,421 km (0.061 R)
• M35: 71,609,060 km (0.098 R)
• M36: 78,280,227 km (0.093 R)
• M37: 79,265,778 km (0.189 R)
• M38: 83,803,530 km (0.107 R)
• M39: 85,353,813 km (0.076 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: 254 - 10,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit