🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.5

Radius: 14.5

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.69 AU - 0.97 AU

Year: 513 Days

Day: 13.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,168,873 km

• M1: 180,415 km (0.026 R)
• M2: 753,076 km (0.094 R)
• M3: 1,437,935 km (0.113 R)
• M4: 2,117,558 km (0.07 R)
• M5: 2,715,949 km (0.06 R)
• M6: 3,414,272 km (0.12 R)
• M7: 4,118,130 km (0.07 R)
• M8: 5,124,625 km (0.111 R)
• M9: 6,050,635 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.6

Radius: 10.1

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.16 AU - 1.9 AU

Year: 1284 Days

Day: 6.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,168,873 km

• M1: 125,662 km (0.119 R)
• M2: 484,847 km (0.107 R)
• M3: 824,883 km (0.059 R)
• M4: 1,161,627 km (0.087 R)
• M5: 1,493,286 km (0.108 R)
• M6: 2,244,716 km (0.118 R)
• M7: 2,561,564 km (0.075 R)
• M8: 2,882,751 km (0.096 R)
• M9: 3,386,597 km (0.086 R)
• M10: 3,744,136 km (0.087 R)
• M11: 4,193,378 km (0.046 R)
• M12: 5,047,133 km (0.107 R)
• M13: 5,949,059 km (0.063 R)
• M14: 6,472,202 km (0.091 R)
• M15: 7,511,010 km (0.102 R)
• M16: 8,467,688 km (0.093 R)
• M17: 9,130,257 km (0.072 R)
• M18: 9,886,774 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.9

Radius: 12.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.28 AU - 2.58 AU

Year: 2569 Days

Day: 8.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,168,873 km

• M1: 160,519 km (0.071 R)
• M2: 587,620 km (0.086 R)
• M3: 1,577,659 km (0.118 R)
• M4: 2,416,454 km (0.12 R)
• M5: 3,476,206 km (0.072 R)
• M6: 3,975,713 km (0.078 R)
• M7: 4,575,451 km (0.111 R)
• M8: 5,139,584 km (0.073 R)
• M9: 5,729,449 km (0.115 R)
• M10: 7,331,044 km (0.114 R)
• M11: 7,749,319 km (0.078 R)
• M12: 8,851,856 km (0.053 R)
• M13: 9,270,131 km (0.103 R)
• M14: 9,760,064 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.6

Radius: 8.4

Gravity: 14.15 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.71 AU - 3.05 AU

Year: 3315 Days

Day: 13.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 159.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,168,873 km

• M1: 104,419 km (0.083 R)
• M2: 365,767 km (0.059 R)
• M3: 797,506 km (0.087 R)
• M4: 1,123,480 km (0.116 R)
• M5: 1,654,403 km (0.109 R)
• M6: 3,211,268 km (0.12 R)
• M7: 3,877,876 km (0.112 R)
• M8: 5,085,280 km (0.097 R)
• M9: 7,324,013 km (0.087 R)
• M10: 7,695,165 km (0.113 R)
• M11: 8,959,865 km (0.117 R)
• M12: 11,043,016 km (0.105 R)
• M13: 16,424,350 km (0.099 R)
• M14: 17,355,597 km (0.084 R)
• M15: 21,916,238 km (0.087 R)
• M16: 22,687,564 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.3

Radius: 9.8

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.48 AU - 4.52 AU

Year: 5426 Days

Day: 7.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,168,873 km

• M1: 124,465 km (0.115 R)
• M2: 594,203 km (0.069 R)
• M3: 922,869 km (0.104 R)
• M4: 1,990,549 km (0.096 R)
• M5: 2,336,270 km (0.112 R)
• M6: 2,911,324 km (0.11 R)
• M7: 3,445,837 km (0.088 R)
• M8: 4,020,443 km (0.089 R)
• M9: 4,525,036 km (0.081 R)
• M10: 6,230,602 km (0.119 R)
• M11: 7,119,961 km (0.039 R)
• M12: 8,609,507 km (0.025 R)
• M13: 9,319,947 km (0.09 R)
• M14: 11,989,372 km (0.063 R)
• M15: 14,142,235 km (0.119 R)
• M16: 19,620,509 km (0.082 R)
• M17: 19,976,701 km (0.057 R)
• M18: 21,899,333 km (0.117 R)
• M19: 22,359,945 km (0.053 R)
• M20: 26,540,009 km (0.112 R)
• M21: 27,862,155 km (0.073 R)
• M22: 29,227,684 km (0.073 R)
• M23: 34,101,882 km (0.086 R)
• M24: 34,720,918 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.3

Radius: 5.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.15 AU - 6.75 AU

Year: 9844 Days

Day: 21.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,168,873 km

• M1: 74,949 km (0.059 R)
• M2: 644,767 km (0.088 R)
• M3: 1,117,795 km (0.091 R)
• M4: 1,362,986 km (0.092 R)
• M5: 1,906,475 km (0.077 R)
• M6: 2,166,776 km (0.111 R)
• M7: 2,353,324 km (0.052 R)
• M8: 4,730,584 km (0.064 R)
• M9: 5,073,313 km (0.103 R)
• M10: 6,676,553 km (0.089 R)
• M11: 7,557,535 km (0.119 R)
• M12: 8,286,226 km (0.106 R)
• M13: 9,100,487 km (0.049 R)
• M14: 9,839,950 km (0.115 R)
• M15: 10,442,231 km (0.036 R)
• M16: 11,068,746 km (0.065 R)
• M17: 11,815,090 km (0.077 R)
• M18: 13,827,032 km (0.094 R)
• M19: 15,707,776 km (0.071 R)
• M20: 27,374,017 km (0.108 R)
• M21: 28,476,104 km (0.047 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 20,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit