🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.9

Radius: 11.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.5 AU - 0.52 AU

Year: 247 Days

Day: 11.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,537,479 km

• M1: 139,425 km (0.092 R)
• M2: 516,113 km (0.075 R)
• M3: 1,138,440 km (0.085 R)
• M4: 1,557,015 km (0.076 R)
• M5: 2,085,544 km (0.089 R)
• M6: 2,515,787 km (0.055 R)
• M7: 3,097,424 km (0.101 R)
• M8: 3,445,837 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.7

Radius: 13.1

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.73 AU - 0.99 AU

Year: 541 Days

Day: 8.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,537,479 km

• M1: 163,660 km (0.11 R)
• M2: 585,376 km (0.091 R)
• M3: 1,105,379 km (0.093 R)
• M4: 1,811,181 km (0.102 R)
• M5: 3,457,506 km (0.108 R)
• M6: 4,142,963 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.1

Radius: 11.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.89 AU - 0.95 AU

Year: 599 Days

Day: 6.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,537,479 km

• M1: 144,212 km (0.078 R)
• M2: 641,326 km (0.091 R)
• M3: 1,276,668 km (0.092 R)
• M4: 1,719,777 km (0.088 R)
• M5: 2,136,856 km (0.106 R)
• M6: 2,549,597 km (0.089 R)
• M7: 3,349,496 km (0.114 R)
• M8: 3,721,546 km (0.051 R)
• M9: 4,534,311 km (0.081 R)
• M10: 4,926,557 km (0.081 R)
• M11: 5,358,446 km (0.069 R)
• M12: 5,779,564 km (0.061 R)
• M13: 6,472,352 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398

Radius: 14.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.9 AU - 1.08 AU

Year: 668 Days

Day: 11.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,537,479 km

• M1: 182,809 km (0.086 R)
• M2: 758,461 km (0.099 R)
• M3: 1,783,805 km (0.066 R)
• M4: 2,602,554 km (0.118 R)
• M5: 3,623,410 km (0.064 R)
• M6: 4,255,311 km (0.087 R)
• M7: 5,672,452 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.1

Radius: 12.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.89 AU - 1.33 AU

Year: 793 Days

Day: 9.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 77.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,537,479 km

• M1: 160,369 km (0.066 R)
• M2: 563,086 km (0.092 R)
• M3: 1,018,911 km (0.091 R)
• M4: 1,523,505 km (0.072 R)
• M5: 2,195,199 km (0.105 R)
• M6: 2,707,273 km (0.099 R)
• M7: 3,203,489 km (0.088 R)
• M8: 4,248,430 km (0.055 R)
• M9: 4,995,821 km (0.103 R)
• M10: 5,911,210 km (0.098 R)
• M11: 7,191,469 km (0.096 R)
• M12: 7,822,173 km (0.114 R)
• M13: 8,228,481 km (0.119 R)
• M14: 8,783,190 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.2

Radius: 8.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.08 AU - 2.28 AU

Year: 2183 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,537,479 km

• M1: 102,026 km (0.073 R)
• M2: 436,227 km (0.102 R)
• M3: 725,400 km (0.056 R)
• M4: 1,018,163 km (0.043 R)
• M5: 2,183,082 km (0.105 R)
• M6: 2,689,770 km (0.08 R)
• M7: 3,104,754 km (0.065 R)
• M8: 4,206,393 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.9

Radius: 11.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.95 AU - 3.17 AU

Year: 2778 Days

Day: 5.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,537,479 km

• M1: 140,472 km (0.09 R)
• M2: 1,342,491 km (0.101 R)
• M3: 2,878,562 km (0.104 R)
• M4: 3,425,791 km (0.092 R)
• M5: 4,281,341 km (0.071 R)
• M6: 7,187,878 km (0.096 R)
• M7: 9,462,215 km (0.113 R)
• M8: 10,710,310 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.8

Radius: 7.1

Gravity: 15.95 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.75 AU - 8.79 AU

Year: 16131 Days

Day: 23.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,537,479 km

• M1: 88,712 km (0.112 R)
• M2: 441,613 km (0.066 R)
• M3: 1,294,919 km (0.085 R)
• M4: 1,835,267 km (0.097 R)
• M5: 2,058,766 km (0.062 R)
• M6: 2,516,685 km (0.074 R)
• M7: 2,842,060 km (0.053 R)
• M8: 3,065,859 km (0.092 R)
• M9: 3,721,397 km (0.056 R)
• M10: 4,566,475 km (0.107 R)
• M11: 4,839,940 km (0.12 R)
• M12: 6,167,023 km (0.063 R)
• M13: 6,673,411 km (0.042 R)
• M14: 7,026,014 km (0.101 R)
• M15: 8,460,657 km (0.104 R)
• M16: 10,486,362 km (0.119 R)
• M17: 11,579,922 km (0.095 R)
• M18: 11,896,771 km (0.12 R)
• M19: 12,680,963 km (0.101 R)
• M20: 14,207,160 km (0.066 R)
• M21: 15,089,339 km (0.111 R)
• M22: 19,604,352 km (0.118 R)
• M23: 20,236,702 km (0.101 R)
• M24: 22,021,854 km (0.09 R)
• M25: 22,410,659 km (0.099 R)
• M26: 26,663,576 km (0.072 R)
• M27: 29,622,174 km (0.053 R)
• M28: 30,454,686 km (0.099 R)
• M29: 35,380,196 km (0.093 R)
• M30: 38,661,176 km (0.076 R)
• M31: 38,943,467 km (0.098 R)
• M32: 57,771,706 km (0.098 R)
• M33: 61,340,662 km (0.108 R)
• M34: 63,276,907 km (0.084 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 18,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit