🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.3

Radius: 10.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.9 AU - 1.08 AU

Year: 680 Days

Day: 6.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,991,794 km

• M1: 135,536 km (0.072 R)
• M2: 551,567 km (0.087 R)
• M3: 899,831 km (0.079 R)
• M4: 1,252,583 km (0.091 R)
• M5: 1,827,787 km (0.029 R)
• M6: 2,445,028 km (0.109 R)
• M7: 3,294,893 km (0.092 R)
• M8: 4,632,148 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.6

Radius: 14.6

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.22 AU - 3.94 AU

Year: 4676 Days

Day: 7.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,991,794 km

• M1: 181,612 km (0.118 R)
• M2: 716,125 km (0.057 R)
• M3: 1,648,269 km (0.094 R)
• M4: 2,328,042 km (0.084 R)
• M5: 3,085,157 km (0.05 R)
• M6: 4,214,920 km (0.092 R)
• M7: 5,764,904 km (0.086 R)
• M8: 6,464,423 km (0.107 R)
• M9: 8,410,991 km (0.066 R)
• M10: 9,090,464 km (0.038 R)
• M11: 9,883,931 km (0.082 R)
• M12: 10,397,800 km (0.103 R)
• M13: 10,888,182 km (0.097 R)
• M14: 11,351,187 km (0.118 R)
• M15: 12,092,744 km (0.119 R)
• M16: 13,241,656 km (0.092 R)
• M17: 14,715,045 km (0.059 R)
• M18: 17,410,200 km (0.111 R)
• M19: 20,931,285 km (0.1 R)
• M20: 21,517,260 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.4

Radius: 10.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.38 AU - 6.32 AU

Year: 8542 Days

Day: 12.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,991,794 km

• M1: 144,512 km (0.115 R)
• M2: 514,018 km (0.102 R)
• M3: 941,270 km (0.112 R)
• M4: 1,953,150 km (0.078 R)
• M5: 2,719,240 km (0.111 R)
• M6: 3,326,458 km (0.039 R)
• M7: 3,920,511 km (0.095 R)
• M8: 5,637,297 km (0.084 R)
• M9: 6,519,026 km (0.108 R)
• M10: 9,395,045 km (0.098 R)
• M11: 11,085,202 km (0.118 R)
• M12: 13,957,930 km (0.105 R)
• M13: 17,850,018 km (0.097 R)
• M14: 22,989,902 km (0.076 R)
• M15: 24,176,213 km (0.092 R)
• M16: 30,625,826 km (0.099 R)
• M17: 31,031,386 km (0.083 R)
• M18: 32,479,493 km (0.111 R)
• M19: 33,113,638 km (0.072 R)
• M20: 41,012,256 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.1

Radius: 7

Gravity: 18.74 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.5 AU - 7.62 AU

Year: 11598 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,991,794 km

• M1: 87,216 km (0.063 R)
• M2: 480,359 km (0.097 R)
• M3: 872,305 km (0.095 R)
• M4: 1,435,541 km (0.066 R)
• M5: 1,995,785 km (0.038 R)
• M6: 3,061,520 km (0.048 R)
• M7: 3,622,812 km (0.116 R)
• M8: 5,430,552 km (0.105 R)
• M9: 7,368,294 km (0.034 R)
• M10: 8,759,105 km (0.057 R)
• M11: 9,412,997 km (0.084 R)
• M12: 10,099,053 km (0.113 R)
• M13: 10,931,416 km (0.112 R)
• M14: 13,504,798 km (0.109 R)
• M15: 14,240,072 km (0.101 R)
• M16: 17,140,026 km (0.104 R)
• M17: 17,606,473 km (0.045 R)
• M18: 24,957,413 km (0.108 R)
• M19: 25,961,364 km (0.113 R)
• M20: 28,372,583 km (0.108 R)
• M21: 30,473,834 km (0.109 R)
• M22: 32,795,294 km (0.12 R)
• M23: 45,003,378 km (0.106 R)
• M24: 52,269,795 km (0.033 R)
• M25: 52,758,531 km (0.077 R)
• M26: 53,579,824 km (0.116 R)
• M27: 54,076,638 km (0.106 R)

Asteroid Belt

Center: 6.92 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.5

Radius: 5.1

Gravity: 19.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.21 AU - 8.35 AU

Year: 13558 Days

Day: 15.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,991,794 km

• M1: 65,075 km (0.059 R)
• M2: 372,050 km (0.079 R)
• M3: 567,724 km (0.065 R)
• M4: 972,386 km (0.086 R)
• M5: 1,188,405 km (0.116 R)
• M6: 1,478,177 km (0.106 R)
• M7: 1,670,859 km (0.058 R)
• M8: 1,863,690 km (0.032 R)
• M9: 3,400,210 km (0.059 R)
• M10: 3,901,363 km (0.118 R)
• M11: 4,790,722 km (0.086 R)
• M12: 6,176,746 km (0.062 R)
• M13: 6,600,408 km (0.036 R)
• M14: 8,678,621 km (0.119 R)
• M15: 8,917,529 km (0.119 R)
• M16: 9,160,775 km (0.075 R)
• M17: 10,020,963 km (0.061 R)
• M18: 10,230,998 km (0.111 R)
• M19: 10,823,556 km (0.088 R)
• M20: 11,325,307 km (0.086 R)
• M21: 12,556,048 km (0.078 R)
• M22: 13,744,005 km (0.085 R)
• M23: 16,559,437 km (0.11 R)
• M24: 17,602,433 km (0.094 R)
• M25: 21,424,509 km (0.116 R)
• M26: 23,481,630 km (0.082 R)
• M27: 24,510,564 km (0.119 R)
• M28: 24,700,703 km (0.104 R)
• M29: 25,180,762 km (0.068 R)
• M30: 26,657,742 km (0.072 R)
• M31: 27,571,336 km (0.115 R)
• M32: 32,225,177 km (0.09 R)
• M33: 35,399,793 km (0.075 R)
• M34: 36,255,792 km (0.115 R)
• M35: 37,250,618 km (0.083 R)
• M36: 39,555,472 km (0.116 R)
• M37: 41,009,863 km (0.051 R)
• M38: 48,220,480 km (0.103 R)
• M39: 48,969,816 km (0.077 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: 283 - 20,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit