🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176

Radius: 12.1

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.98 AU - 1.38 AU

Year: 855 Days

Day: 12.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,102,912 km

• M1: 150,495 km (0.047 R)
• M2: 644,767 km (0.108 R)
• M3: 1,223,262 km (0.052 R)
• M4: 2,230,504 km (0.11 R)
• M5: 2,948,724 km (0.107 R)
• M6: 3,701,949 km (0.068 R)
• M7: 4,212,826 km (0.053 R)
• M8: 4,770,676 km (0.048 R)
• M9: 5,393,602 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.9

Radius: 11.8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.28 AU - 1.54 AU

Year: 1116 Days

Day: 7.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,102,912 km

• M1: 146,756 km (0.075 R)
• M2: 656,435 km (0.101 R)
• M3: 1,029,832 km (0.118 R)
• M4: 1,518,269 km (0.101 R)
• M5: 2,032,586 km (0.09 R)
• M6: 2,514,142 km (0.102 R)
• M7: 3,071,543 km (0.113 R)
• M8: 3,694,170 km (0.054 R)
• M9: 4,086,864 km (0.086 R)
• M10: 4,841,735 km (0.119 R)
• M11: 6,628,831 km (0.093 R)
• M12: 7,828,905 km (0.105 R)
• M13: 8,314,500 km (0.08 R)
• M14: 9,198,175 km (0.068 R)
• M15: 10,558,319 km (0.109 R)
• M16: 10,984,822 km (0.102 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.2

Radius: 5.9

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.07 AU - 7.81 AU

Year: 12192 Days

Day: 20.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,102,912 km

• M1: 76,594 km (0.12 R)
• M2: 392,096 km (0.104 R)
• M3: 670,498 km (0.093 R)
• M4: 951,891 km (0.078 R)
• M5: 1,212,790 km (0.098 R)
• M6: 2,185,176 km (0.106 R)
• M7: 2,522,968 km (0.066 R)
• M8: 3,905,552 km (0.116 R)
• M9: 4,519,800 km (0.111 R)
• M10: 4,819,445 km (0.12 R)
• M11: 5,100,390 km (0.111 R)
• M12: 9,331,167 km (0.081 R)
• M13: 10,167,868 km (0.097 R)
• M14: 10,999,931 km (0.081 R)
• M15: 13,156,834 km (0.119 R)
• M16: 14,720,281 km (0.11 R)
• M17: 17,987,498 km (0.091 R)
• M18: 24,061,172 km (0.062 R)
• M19: 34,715,233 km (0.117 R)
• M20: 45,736,856 km (0.086 R)
• M21: 46,014,510 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.7

Radius: 6.1

Gravity: 20.87 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.97 AU - 10.11 AU

Year: 16642 Days

Day: 17.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 171.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,102,912 km

• M1: 81,082 km (0.079 R)
• M2: 294,109 km (0.104 R)
• M3: 1,021,155 km (0.071 R)
• M4: 1,238,521 km (0.084 R)
• M5: 2,572,784 km (0.078 R)
• M6: 3,598,876 km (0.084 R)
• M7: 3,893,135 km (0.081 R)
• M8: 4,496,463 km (0.082 R)
• M9: 4,979,515 km (0.096 R)
• M10: 8,075,143 km (0.117 R)
• M11: 8,580,335 km (0.075 R)
• M12: 8,946,252 km (0.041 R)
• M13: 9,377,094 km (0.054 R)
• M14: 19,870,188 km (0.075 R)
• M15: 23,818,375 km (0.07 R)
• M16: 27,803,811 km (0.093 R)
• M17: 32,462,588 km (0.101 R)
• M18: 43,441,726 km (0.095 R)
• M19: 47,372,260 km (0.104 R)
• M20: 48,022,412 km (0.106 R)
• M21: 50,513,367 km (0.025 R)
• M22: 59,625,523 km (0.091 R)
• M23: 62,695,121 km (0.114 R)
• M24: 64,268,741 km (0.062 R)
• M25: 67,699,768 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.9

Radius: 3.9

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.24 AU - 9.82 AU

Year: 18095 Days

Day: 23.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 49,102,912 km

• M1: 52,359 km (0.11 R)
• M2: 174,581 km (0.085 R)
• M3: 384,915 km (0.03 R)
• M4: 815,009 km (0.062 R)
• M5: 1,282,353 km (0.04 R)
• M6: 1,701,526 km (0.03 R)
• M7: 1,827,488 km (0.085 R)
• M8: 3,094,731 km (0.11 R)
• M9: 4,227,187 km (0.087 R)
• M10: 4,761,251 km (0.071 R)
• M11: 5,819,656 km (0.104 R)
• M12: 6,070,532 km (0.043 R)
• M13: 6,441,535 km (0.119 R)
• M14: 8,209,931 km (0.072 R)
• M15: 9,521,007 km (0.099 R)
• M16: 10,591,380 km (0.079 R)
• M17: 10,857,514 km (0.105 R)
• M18: 11,019,379 km (0.082 R)
• M19: 11,570,647 km (0.09 R)
• M20: 11,739,543 km (0.088 R)
• M21: 12,024,677 km (0.11 R)
• M22: 13,644,822 km (0.054 R)
• M23: 14,280,014 km (0.068 R)
• M24: 14,409,417 km (0.084 R)
• M25: 15,677,857 km (0.031 R)
• M26: 16,516,203 km (0.064 R)
• M27: 17,605,575 km (0.112 R)
• M28: 17,754,425 km (0.118 R)
• M29: 18,664,878 km (0.09 R)
• M30: 19,053,234 km (0.064 R)
• M31: 24,234,257 km (0.09 R)
• M32: 25,542,939 km (0.11 R)
• M33: 25,925,461 km (0.095 R)
• M34: 27,095,466 km (0.116 R)
• M35: 28,300,476 km (0.073 R)
• M36: 30,280,554 km (0.112 R)
• M37: 32,574,338 km (0.095 R)
• M38: 35,334,419 km (0.098 R)
• M39: 38,621,533 km (0.06 R)
• M40: 43,584,442 km (0.106 R)
• M41: 46,643,419 km (0.096 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 14,276 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit