🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.6

Radius: 11.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.49 AU - 0.75 AU

Year: 331 Days

Day: 11.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,789,515 km

• M1: 148,251 km (0.119 R)
• M2: 560,992 km (0.043 R)
• M3: 1,017,565 km (0.091 R)
• M4: 1,608,028 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.6

Radius: 9.8

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.54 AU - 0.7 AU

Year: 331 Days

Day: 11.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,789,515 km

• M1: 121,922 km (0.097 R)
• M2: 496,815 km (0.065 R)
• M3: 1,315,713 km (0.114 R)
• M4: 1,661,135 km (0.032 R)
• M5: 2,081,954 km (0.094 R)
• M6: 2,606,892 km (0.101 R)
• M7: 3,500,590 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.5

Radius: 8.4

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.47 AU - 1.83 AU

Year: 1438 Days

Day: 7.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,789,515 km

• M1: 104,569 km (0.081 R)
• M2: 399,875 km (0.093 R)
• M3: 700,268 km (0.059 R)
• M4: 1,076,955 km (0.077 R)
• M5: 1,451,997 km (0.089 R)
• M6: 1,881,193 km (0.044 R)
• M7: 2,557,525 km (0.073 R)
• M8: 2,895,168 km (0.115 R)
• M9: 3,247,321 km (0.114 R)
• M10: 3,863,515 km (0.053 R)
• M11: 4,163,309 km (0.086 R)
• M12: 4,652,195 km (0.052 R)
• M13: 5,370,115 km (0.114 R)
• M14: 5,677,239 km (0.052 R)
• M15: 6,207,264 km (0.117 R)
• M16: 6,947,774 km (0.096 R)
• M17: 8,485,640 km (0.071 R)
• M18: 8,782,592 km (0.067 R)
• M19: 9,523,251 km (0.083 R)
• M20: 9,909,064 km (0.103 R)
• M21: 10,171,907 km (0.103 R)
• M22: 12,637,131 km (0.057 R)
• M23: 13,142,472 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.3

Radius: 9

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.36 AU - 3.92 AU

Year: 4710 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,789,515 km

• M1: 118,182 km (0.11 R)
• M2: 559,795 km (0.077 R)
• M3: 1,318,107 km (0.06 R)
• M4: 2,500,080 km (0.09 R)
• M5: 3,286,665 km (0.075 R)
• M6: 3,631,638 km (0.088 R)
• M7: 4,000,696 km (0.047 R)
• M8: 4,323,378 km (0.116 R)
• M9: 4,663,265 km (0.106 R)
• M10: 5,592,268 km (0.116 R)
• M11: 9,720,720 km (0.113 R)
• M12: 10,178,789 km (0.032 R)
• M13: 11,048,700 km (0.092 R)
• M14: 11,410,278 km (0.077 R)
• M15: 13,490,437 km (0.104 R)
• M16: 14,325,343 km (0.111 R)
• M17: 15,083,654 km (0.075 R)
• M18: 16,329,206 km (0.11 R)
• M19: 19,152,567 km (0.051 R)
• M20: 20,139,613 km (0.105 R)
• M21: 21,647,859 km (0.115 R)
• M22: 25,983,205 km (0.094 R)
• M23: 26,301,849 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.1

Radius: 5.8

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.64 AU - 9.6 AU

Year: 18680 Days

Day: 22.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,789,515 km

• M1: 72,705 km (0.118 R)
• M2: 267,032 km (0.101 R)
• M3: 657,931 km (0.062 R)
• M4: 2,049,042 km (0.079 R)
• M5: 2,595,822 km (0.063 R)
• M6: 3,355,181 km (0.065 R)
• M7: 5,503,556 km (0.117 R)
• M8: 7,429,778 km (0.034 R)
• M9: 8,072,301 km (0.088 R)
• M10: 8,294,454 km (0.062 R)
• M11: 9,664,920 km (0.039 R)
• M12: 9,865,082 km (0.034 R)
• M13: 10,907,929 km (0.086 R)
• M14: 11,567,805 km (0.104 R)
• M15: 13,644,373 km (0.093 R)
• M16: 15,611,585 km (0.092 R)
• M17: 17,537,209 km (0.119 R)
• M18: 17,910,306 km (0.065 R)
• M19: 19,535,687 km (0.077 R)
• M20: 20,589,753 km (0.066 R)
• M21: 22,111,014 km (0.086 R)
• M22: 22,546,643 km (0.077 R)
• M23: 23,434,806 km (0.087 R)
• M24: 25,853,055 km (0.091 R)
• M25: 29,890,253 km (0.118 R)
• M26: 35,740,876 km (0.119 R)
• M27: 36,461,489 km (0.113 R)
• M28: 41,120,266 km (0.08 R)
• M29: 42,044,182 km (0.088 R)
• M30: 43,523,855 km (0.078 R)
• M31: 44,621,454 km (0.086 R)
• M32: 48,316,372 km (0.047 R)
• M33: 48,755,442 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560

Radius: 4.7

Gravity: 25.35 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.19 AU - 12.95 AU

Year: 23308 Days

Day: 18.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,789,515 km

• M1: 58,493 km (0.095 R)
• M2: 260,899 km (0.069 R)
• M3: 480,359 km (0.106 R)
• M4: 1,160,431 km (0.075 R)
• M5: 1,394,851 km (0.119 R)
• M6: 3,152,925 km (0.106 R)
• M7: 7,872,738 km (0.054 R)
• M8: 9,208,198 km (0.105 R)
• M9: 14,334,019 km (0.087 R)
• M10: 16,726,538 km (0.049 R)
• M11: 19,096,019 km (0.109 R)
• M12: 19,933,019 km (0.11 R)
• M13: 21,980,714 km (0.106 R)
• M14: 25,586,472 km (0.105 R)
• M15: 25,922,319 km (0.113 R)
• M16: 26,832,323 km (0.039 R)
• M17: 27,645,986 km (0.106 R)
• M18: 32,482,335 km (0.103 R)
• M19: 33,539,543 km (0.074 R)
• M20: 36,848,648 km (0.06 R)
• M21: 54,078,134 km (0.119 R)
• M22: 58,803,033 km (0.117 R)
• M23: 60,767,553 km (0.095 R)
• M24: 61,967,028 km (0.118 R)
• M25: 70,369,791 km (0.106 R)
• M26: 72,806,741 km (0.041 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 15,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit