🌌 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: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.8

Radius: 14.5

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.78 AU - 0.9 AU

Year: 497 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,915,814 km

• M1: 180,415 km (0.094 R)
• M2: 946,506 km (0.076 R)
• M3: 1,587,682 km (0.116 R)
• M4: 2,101,102 km (0.1 R)
• M5: 3,330,497 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.1

Radius: 10.7

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.04 AU - 1.28 AU

Year: 807 Days

Day: 8.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,915,814 km

• M1: 133,142 km (0.052 R)
• M2: 533,017 km (0.108 R)
• M3: 903,571 km (0.093 R)
• M4: 1,326,634 km (0.064 R)
• M5: 1,782,010 km (0.101 R)
• M6: 2,162,736 km (0.088 R)
• M7: 2,609,436 km (0.109 R)
• M8: 3,346,804 km (0.118 R)
• M9: 3,735,010 km (0.069 R)
• M10: 4,185,449 km (0.101 R)
• M11: 4,759,456 km (0.049 R)
• M12: 5,214,533 km (0.098 R)
• M13: 5,961,924 km (0.053 R)
• M14: 7,238,293 km (0.094 R)
• M15: 7,669,284 km (0.108 R)
• M16: 8,142,762 km (0.063 R)
• M17: 9,038,853 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.3

Radius: 14.5

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.16 AU - 1.18 AU

Year: 817 Days

Day: 8.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 119.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,915,814 km

• M1: 184,753 km (0.115 R)
• M2: 668,254 km (0.049 R)
• M3: 1,351,617 km (0.063 R)
• M4: 1,807,142 km (0.07 R)
• M5: 2,300,965 km (0.093 R)
• M6: 3,137,367 km (0.032 R)
• M7: 4,314,851 km (0.087 R)
• M8: 4,772,621 km (0.078 R)
• M9: 5,951,302 km (0.068 R)
• M10: 7,023,470 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.2

Radius: 14.5

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.15 AU - 1.81 AU

Year: 1163 Days

Day: 8.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,915,814 km

• M1: 182,809 km (0.092 R)
• M2: 663,467 km (0.028 R)
• M3: 1,124,078 km (0.043 R)
• M4: 1,591,123 km (0.058 R)
• M5: 2,200,884 km (0.08 R)
• M6: 3,024,271 km (0.119 R)
• M7: 3,872,640 km (0.086 R)
• M8: 4,629,157 km (0.055 R)
• M9: 5,610,070 km (0.087 R)
• M10: 6,338,312 km (0.088 R)
• M11: 6,957,049 km (0.077 R)
• M12: 7,414,070 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.7

Radius: 13.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.7 AU - 2.74 AU

Year: 2896 Days

Day: 12.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,915,814 km

• M1: 168,298 km (0.043 R)
• M2: 898,934 km (0.096 R)
• M3: 1,419,684 km (0.108 R)
• M4: 2,054,278 km (0.109 R)
• M5: 2,810,645 km (0.071 R)
• M6: 3,503,582 km (0.096 R)
• M7: 4,162,561 km (0.107 R)
• M8: 5,280,954 km (0.101 R)
• M9: 7,201,641 km (0.106 R)
• M10: 8,139,770 km (0.063 R)
• M11: 8,706,596 km (0.091 R)
• M12: 9,994,335 km (0.078 R)
• M13: 10,684,130 km (0.114 R)
• M14: 12,374,137 km (0.072 R)
• M15: 13,079,940 km (0.07 R)
• M16: 15,309,248 km (0.073 R)
• M17: 17,561,294 km (0.045 R)
• M18: 18,737,881 km (0.082 R)
• M19: 19,669,128 km (0.107 R)
• M20: 20,146,196 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.4

Radius: 10.1

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.93 AU - 5.99 AU

Year: 8238 Days

Day: 9.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,915,814 km

• M1: 125,662 km (0.086 R)
• M2: 702,960 km (0.084 R)
• M3: 1,099,245 km (0.089 R)
• M4: 1,555,369 km (0.104 R)
• M5: 2,640,702 km (0.085 R)
• M6: 3,205,882 km (0.034 R)
• M7: 4,531,768 km (0.112 R)
• M8: 6,513,790 km (0.118 R)
• M9: 7,646,097 km (0.085 R)
• M10: 8,577,942 km (0.092 R)
• M11: 9,661,330 km (0.072 R)
• M12: 10,296,821 km (0.116 R)
• M13: 13,264,993 km (0.118 R)
• M14: 14,100,198 km (0.101 R)
• M15: 15,179,995 km (0.084 R)
• M16: 17,678,130 km (0.102 R)
• M17: 20,438,510 km (0.117 R)
• M18: 21,685,857 km (0.114 R)
• M19: 23,828,846 km (0.116 R)

Asteroid Belt

Center: 6.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.4

Radius: 4

Gravity: 33.46 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.36 AU - 9.94 AU

Year: 15023 Days

Day: 17.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,915,814 km

• M1: 52,958 km (0.042 R)
• M2: 208,539 km (0.053 R)
• M3: 512,672 km (0.093 R)
• M4: 1,279,660 km (0.111 R)
• M5: 2,110,377 km (0.118 R)
• M6: 2,284,210 km (0.048 R)
• M7: 2,573,532 km (0.115 R)
• M8: 3,535,446 km (0.112 R)
• M9: 6,173,306 km (0.107 R)
• M10: 7,725,683 km (0.11 R)
• M11: 8,664,709 km (0.092 R)
• M12: 9,111,109 km (0.082 R)
• M13: 10,766,110 km (0.104 R)
• M14: 12,548,868 km (0.083 R)
• M15: 12,863,921 km (0.113 R)
• M16: 15,147,981 km (0.114 R)
• M17: 16,088,353 km (0.084 R)
• M18: 21,919,230 km (0.111 R)
• M19: 22,839,257 km (0.063 R)
• M20: 28,041,672 km (0.106 R)
• M21: 28,256,195 km (0.116 R)
• M22: 31,145,080 km (0.081 R)
• M23: 44,669,924 km (0.088 R)
• M24: 51,086,177 km (0.083 R)
• M25: 56,709,112 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 19,830 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit