🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.7

Radius: 10.6

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.42 AU - 0.68 AU

Year: 277 Days

Day: 5.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 25,964,714 km

• M1: 131,796 km (0.106 R)
• M2: 474,076 km (0.107 R)
• M3: 867,817 km (0.106 R)
• M4: 1,291,478 km (0.11 R)
• M5: 2,363,796 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.8

Radius: 14.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.57 AU - 0.71 AU

Year: 347 Days

Day: 10.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,964,714 km

• M1: 184,005 km (0.083 R)
• M2: 675,434 km (0.074 R)
• M3: 1,657,993 km (0.085 R)
• M4: 2,186,074 km (0.066 R)
• M5: 2,653,417 km (0.066 R)
• M6: 3,127,792 km (0.084 R)
• M7: 3,726,932 km (0.068 R)
• M8: 4,351,503 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 11.4

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.61 AU - 0.67 AU

Year: 347 Days

Day: 13.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,964,714 km

• M1: 141,819 km (0.026 R)
• M2: 534,812 km (0.117 R)
• M3: 957,726 km (0.084 R)
• M4: 1,374,804 km (0.058 R)
• M5: 2,437,398 km (0.073 R)
• M6: 2,891,128 km (0.11 R)
• M7: 3,337,977 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.5

Radius: 13.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.67 AU - 0.95 AU

Year: 494 Days

Day: 5.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,964,714 km

• M1: 171,738 km (0.109 R)
• M2: 607,068 km (0.055 R)
• M3: 1,176,886 km (0.054 R)
• M4: 1,915,302 km (0.084 R)
• M5: 2,510,551 km (0.068 R)
• M6: 4,178,418 km (0.065 R)
• M7: 4,798,950 km (0.099 R)
• M8: 6,712,606 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.1

Radius: 9.5

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.66 AU - 2.96 AU

Year: 3195 Days

Day: 7.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,964,714 km

• M1: 125,513 km (0.098 R)
• M2: 483,351 km (0.106 R)
• M3: 983,905 km (0.064 R)
• M4: 1,427,014 km (0.083 R)
• M5: 1,751,941 km (0.027 R)
• M6: 2,050,089 km (0.085 R)
• M7: 2,614,223 km (0.114 R)
• M8: 2,957,700 km (0.102 R)
• M9: 3,660,211 km (0.102 R)
• M10: 5,644,926 km (0.028 R)
• M11: 5,955,342 km (0.103 R)
• M12: 6,442,283 km (0.105 R)
• M13: 7,373,380 km (0.119 R)
• M14: 8,796,953 km (0.1 R)
• M15: 9,179,774 km (0.076 R)
• M16: 10,318,962 km (0.064 R)
• M17: 11,426,585 km (0.104 R)
• M18: 12,831,458 km (0.065 R)
• M19: 14,879,303 km (0.082 R)
• M20: 16,446,940 km (0.117 R)
• M21: 16,922,062 km (0.117 R)
• M22: 19,848,197 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.3

Radius: 9.6

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.49 AU - 4.01 AU

Year: 3974 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,964,714 km

• M1: 119,379 km (0.06 R)
• M2: 473,028 km (0.049 R)
• M3: 1,333,665 km (0.073 R)
• M4: 1,634,058 km (0.086 R)
• M5: 2,948,873 km (0.117 R)
• M6: 3,307,759 km (0.102 R)
• M7: 4,889,606 km (0.104 R)
• M8: 5,312,669 km (0.086 R)
• M9: 6,052,131 km (0.101 R)
• M10: 7,355,727 km (0.1 R)
• M11: 7,665,395 km (0.113 R)
• M12: 8,384,661 km (0.074 R)
• M13: 10,041,159 km (0.116 R)
• M14: 12,526,279 km (0.085 R)
• M15: 13,989,495 km (0.088 R)
• M16: 16,306,018 km (0.103 R)
• M17: 16,656,526 km (0.067 R)
• M18: 17,494,274 km (0.08 R)
• M19: 20,175,966 km (0.055 R)
• M20: 21,405,062 km (0.059 R)
• M21: 23,415,059 km (0.036 R)
• M22: 23,861,608 km (0.047 R)
• M23: 25,235,366 km (0.032 R)
• M24: 26,259,812 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.4

Radius: 8.9

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.27 AU - 3.63 AU

Year: 4346 Days

Day: 10.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 25,964,714 km

• M1: 110,702 km (0.098 R)
• M2: 547,379 km (0.084 R)
• M3: 847,023 km (0.111 R)
• M4: 1,663,379 km (0.07 R)
• M5: 1,965,267 km (0.086 R)
• M6: 2,398,503 km (0.111 R)
• M7: 2,822,313 km (0.033 R)
• M8: 3,177,160 km (0.025 R)
• M9: 5,145,269 km (0.084 R)
• M10: 5,448,953 km (0.077 R)
• M11: 6,183,927 km (0.097 R)
• M12: 8,105,362 km (0.082 R)
• M13: 8,787,080 km (0.107 R)
• M14: 9,588,775 km (0.087 R)
• M15: 10,049,985 km (0.054 R)
• M16: 10,971,657 km (0.086 R)
• M17: 11,291,049 km (0.085 R)
• M18: 14,128,173 km (0.12 R)
• M19: 14,947,221 km (0.069 R)
• M20: 16,322,923 km (0.11 R)
• M21: 18,222,367 km (0.111 R)
• M22: 19,858,070 km (0.065 R)
• M23: 22,163,972 km (0.117 R)
• M24: 23,949,273 km (0.117 R)
• M25: 24,642,808 km (0.107 R)
• M26: 25,270,372 km (0.116 R)
• M27: 26,313,069 km (0.053 R)
• M28: 28,142,351 km (0.118 R)
• M29: 28,741,790 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.4

Radius: 4

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.84 AU - 9.14 AU

Year: 15318 Days

Day: 15.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,964,714 km

• M1: 49,816 km (0.112 R)
• M2: 337,194 km (0.106 R)
• M3: 479,461 km (0.072 R)
• M4: 612,603 km (0.079 R)
• M5: 1,848,880 km (0.112 R)
• M6: 2,081,505 km (0.076 R)
• M7: 3,735,758 km (0.111 R)
• M8: 6,653,964 km (0.089 R)
• M9: 8,342,924 km (0.052 R)
• M10: 9,642,032 km (0.109 R)
• M11: 10,048,489 km (0.114 R)
• M12: 12,112,790 km (0.116 R)
• M13: 14,601,351 km (0.025 R)
• M14: 14,921,191 km (0.098 R)
• M15: 16,475,662 km (0.119 R)
• M16: 16,880,474 km (0.094 R)
• M17: 21,712,037 km (0.093 R)
• M18: 24,143,301 km (0.104 R)
• M19: 24,291,702 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 13,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit