🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 10.5

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.55 AU - 0.65 AU

Year: 321 Days

Day: 11.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,247,427 km

• M1: 130,749 km (0.111 R)
• M2: 505,790 km (0.111 R)
• M3: 886,068 km (0.091 R)
• M4: 1,233,734 km (0.105 R)
• M5: 1,728,603 km (0.075 R)
• M6: 2,210,309 km (0.112 R)
• M7: 2,751,703 km (0.096 R)
• M8: 3,248,967 km (0.104 R)
• M9: 4,292,711 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.7

Radius: 10.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.6 AU - 0.9 AU

Year: 448 Days

Day: 6.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,247,427 km

• M1: 133,142 km (0.117 R)
• M2: 724,951 km (0.115 R)
• M3: 1,193,641 km (0.086 R)
• M4: 1,529,489 km (0.065 R)
• M5: 2,114,117 km (0.051 R)
• M6: 2,863,154 km (0.112 R)
• M7: 3,419,957 km (0.099 R)
• M8: 3,805,321 km (0.096 R)
• M9: 4,564,381 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.3

Radius: 13.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.18 AU - 1.62 AU

Year: 1143 Days

Day: 10.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,247,427 km

• M1: 171,888 km (0.079 R)
• M2: 650,302 km (0.083 R)
• M3: 1,699,432 km (0.099 R)
• M4: 2,415,258 km (0.031 R)
• M5: 3,490,118 km (0.104 R)
• M6: 4,526,233 km (0.108 R)
• M7: 5,317,905 km (0.105 R)
• M8: 5,779,714 km (0.077 R)
• M9: 6,337,115 km (0.112 R)
• M10: 6,833,032 km (0.082 R)
• M11: 7,717,305 km (0.053 R)
• M12: 8,478,609 km (0.054 R)
• M13: 9,837,556 km (0.114 R)
• M14: 10,569,389 km (0.081 R)
• M15: 12,034,850 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.3

Radius: 11.7

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.48 AU - 1.58 AU

Year: 1306 Days

Day: 9.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,247,427 km

• M1: 145,559 km (0.036 R)
• M2: 655,388 km (0.073 R)
• M3: 1,235,379 km (0.11 R)
• M4: 1,707,211 km (0.093 R)
• M5: 2,201,183 km (0.059 R)
• M6: 2,618,412 km (0.06 R)
• M7: 2,995,847 km (0.051 R)
• M8: 3,419,807 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 14.1

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.5 AU - 2.84 AU

Year: 3011 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,247,427 km

• M1: 175,329 km (0.108 R)
• M2: 658,081 km (0.092 R)
• M3: 1,492,837 km (0.111 R)
• M4: 2,246,960 km (0.04 R)
• M5: 2,863,602 km (0.101 R)
• M6: 3,325,261 km (0.102 R)
• M7: 3,909,142 km (0.116 R)
• M8: 4,892,299 km (0.073 R)
• M9: 5,674,546 km (0.117 R)
• M10: 6,158,047 km (0.11 R)
• M11: 7,404,197 km (0.053 R)
• M12: 8,192,578 km (0.046 R)
• M13: 8,939,819 km (0.114 R)
• M14: 9,937,487 km (0.051 R)
• M15: 13,044,037 km (0.094 R)
• M16: 14,415,550 km (0.118 R)
• M17: 15,881,310 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.3

Radius: 11.6

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.49 AU - 3.15 AU

Year: 3269 Days

Day: 10.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,247,427 km

• M1: 144,212 km (0.106 R)
• M2: 560,394 km (0.095 R)
• M3: 1,391,709 km (0.086 R)
• M4: 2,030,941 km (0.045 R)
• M5: 2,660,149 km (0.107 R)
• M6: 4,132,192 km (0.116 R)
• M7: 4,585,025 km (0.106 R)
• M8: 5,617,699 km (0.085 R)
• M9: 7,048,004 km (0.06 R)
• M10: 7,730,320 km (0.056 R)
• M11: 15,557,879 km (0.077 R)
• M12: 16,046,915 km (0.057 R)
• M13: 16,827,965 km (0.077 R)
• M14: 17,517,462 km (0.113 R)
• M15: 19,137,607 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.9

Radius: 11.1

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4 AU - 4.46 AU

Year: 6005 Days

Day: 8.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,247,427 km

• M1: 138,228 km (0.101 R)
• M2: 546,182 km (0.116 R)
• M3: 904,469 km (0.105 R)
• M4: 1,884,036 km (0.055 R)
• M5: 3,360,716 km (0.053 R)
• M6: 3,822,674 km (0.073 R)
• M7: 6,367,035 km (0.088 R)
• M8: 8,260,196 km (0.101 R)
• M9: 8,615,641 km (0.099 R)
• M10: 10,140,791 km (0.1 R)
• M11: 11,988,325 km (0.093 R)
• M12: 12,393,286 km (0.081 R)
• M13: 13,446,305 km (0.06 R)
• M14: 14,050,232 km (0.1 R)
• M15: 17,217,518 km (0.057 R)
• M16: 18,797,122 km (0.063 R)
• M17: 19,692,166 km (0.053 R)
• M18: 20,399,614 km (0.098 R)
• M19: 21,715,926 km (0.104 R)
• M20: 22,318,806 km (0.115 R)
• M21: 23,715,900 km (0.109 R)
• M22: 25,585,125 km (0.034 R)
• M23: 27,463,028 km (0.025 R)
• M24: 29,614,544 km (0.114 R)
• M25: 31,876,165 km (0.059 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: 398 - 17,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit