🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.6

Radius: 14.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.52 AU - 0.62 AU

Year: 292 Days

Day: 6.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,717,374 km

• M1: 180,265 km (0.056 R)
• M2: 638,933 km (0.051 R)
• M3: 1,487,152 km (0.11 R)
• M4: 1,997,281 km (0.098 R)
• M5: 2,695,155 km (0.072 R)
• M6: 3,201,095 km (0.075 R)
• M7: 3,759,544 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.2

Radius: 14.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.66 AU - 1.02 AU

Year: 522 Days

Day: 14 Hours

Environment

Temp: -161 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,717,374 km

• M1: 185,352 km (0.107 R)
• M2: 1,056,011 km (0.108 R)
• M3: 2,314,279 km (0.105 R)
• M4: 2,877,515 km (0.108 R)
• M5: 3,618,174 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.9

Radius: 12.4

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.88 AU - 1.4 AU

Year: 826 Days

Day: 13.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,717,374 km

• M1: 154,235 km (0.085 R)
• M2: 874,100 km (0.12 R)
• M3: 1,352,365 km (0.087 R)
• M4: 2,022,414 km (0.084 R)
• M5: 2,904,891 km (0.112 R)
• M6: 4,042,134 km (0.083 R)
• M7: 4,587,568 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 10.1

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.9 AU - 1.46 AU

Year: 869 Days

Day: 12.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,717,374 km

• M1: 125,961 km (0.059 R)
• M2: 555,606 km (0.085 R)
• M3: 1,175,839 km (0.112 R)
• M4: 1,808,638 km (0.084 R)
• M5: 2,536,432 km (0.077 R)
• M6: 3,536,045 km (0.05 R)
• M7: 4,743,599 km (0.098 R)
• M8: 5,743,810 km (0.109 R)
• M9: 7,280,779 km (0.073 R)
• M10: 8,209,632 km (0.085 R)
• M11: 8,527,378 km (0.08 R)
• M12: 10,210,803 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.4

Radius: 14.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.95 AU - 1.45 AU

Year: 892 Days

Day: 9.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 55.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,717,374 km

• M1: 179,517 km (0.075 R)
• M2: 703,708 km (0.083 R)
• M3: 1,154,297 km (0.107 R)
• M4: 2,165,579 km (0.104 R)
• M5: 2,705,777 km (0.095 R)
• M6: 3,191,970 km (0.058 R)
• M7: 4,186,048 km (0.081 R)
• M8: 4,910,999 km (0.088 R)
• M9: 5,396,444 km (0.111 R)
• M10: 6,053,478 km (0.086 R)
• M11: 6,612,974 km (0.104 R)
• M12: 8,401,117 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.4

Radius: 15

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.01 AU - 1.59 AU

Year: 1005 Days

Day: 8.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,717,374 km

• M1: 190,139 km (0.086 R)
• M2: 734,376 km (0.092 R)
• M3: 1,331,720 km (0.12 R)
• M4: 1,824,047 km (0.114 R)
• M5: 2,804,362 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.9

Radius: 3.4

Gravity: 27.41 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.77 AU - 9.49 AU

Year: 14295 Days

Day: 23.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,717,374 km

• M1: 43,683 km (0.099 R)
• M2: 213,925 km (0.112 R)
• M3: 412,741 km (0.107 R)
• M4: 957,127 km (0.096 R)
• M5: 3,805,321 km (0.086 R)
• M6: 7,119,213 km (0.085 R)
• M7: 11,298,230 km (0.108 R)
• M8: 14,178,437 km (0.112 R)
• M9: 14,433,053 km (0.106 R)
• M10: 18,326,338 km (0.097 R)
• M11: 21,835,904 km (0.09 R)
• M12: 23,747,615 km (0.117 R)
• M13: 25,020,393 km (0.117 R)
• M14: 27,111,473 km (0.108 R)
• M15: 27,503,718 km (0.119 R)
• M16: 28,602,066 km (0.111 R)
• M17: 31,421,387 km (0.107 R)
• M18: 36,284,365 km (0.118 R)
• M19: 44,959,695 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.9

Radius: 3.1

Gravity: 37.87 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.15 AU - 8.49 AU

Year: 16277 Days

Day: 18 Hours

Environment

Temp: -227 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 53,717,374 km

• M1: 38,596 km (0.102 R)
• M2: 138,378 km (0.092 R)
• M3: 254,316 km (0.105 R)
• M4: 351,555 km (0.059 R)
• M5: 480,957 km (0.105 R)
• M6: 1,242,410 km (0.073 R)
• M7: 1,653,206 km (0.113 R)
• M8: 2,111,275 km (0.093 R)
• M9: 2,340,010 km (0.038 R)
• M10: 2,501,426 km (0.091 R)
• M11: 2,779,678 km (0.107 R)
• M12: 4,705,302 km (0.084 R)
• M13: 4,962,760 km (0.096 R)
• M14: 5,974,939 km (0.111 R)
• M15: 6,910,674 km (0.056 R)
• M16: 7,586,258 km (0.116 R)
• M17: 8,212,474 km (0.085 R)
• M18: 9,720,122 km (0.072 R)
• M19: 10,457,789 km (0.048 R)
• M20: 11,345,652 km (0.078 R)
• M21: 12,646,854 km (0.105 R)
• M22: 13,653,498 km (0.066 R)
• M23: 14,644,435 km (0.055 R)
• M24: 15,261,526 km (0.076 R)
• M25: 16,183,198 km (0.112 R)
• M26: 19,169,770 km (0.106 R)
• M27: 19,495,295 km (0.073 R)
• M28: 23,324,253 km (0.109 R)
• M29: 23,695,405 km (0.084 R)
• M30: 24,259,389 km (0.12 R)
• M31: 29,743,797 km (0.1 R)
• M32: 34,900,884 km (0.08 R)
• M33: 35,875,963 km (0.044 R)
• M34: 41,565,619 km (0.072 R)
• M35: 46,352,751 km (0.108 R)
• M36: 46,939,025 km (0.117 R)
• M37: 47,678,637 km (0.095 R)
• M38: 50,098,083 km (0.074 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 15,191 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit