🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.7

Radius: 11.4

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.14 AU - 1.66 AU

Year: 1143 Days

Day: 11.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,485,237 km

• M1: 141,819 km (0.12 R)
• M2: 678,576 km (0.118 R)
• M3: 1,365,978 km (0.105 R)
• M4: 1,938,190 km (0.102 R)
• M5: 2,796,433 km (0.068 R)
• M6: 3,335,434 km (0.089 R)
• M7: 3,710,775 km (0.11 R)
• M8: 4,184,552 km (0.109 R)
• M9: 4,547,476 km (0.07 R)
• M10: 5,274,821 km (0.104 R)
• M11: 5,831,325 km (0.113 R)
• M12: 6,332,328 km (0.101 R)
• M13: 7,765,476 km (0.105 R)
• M14: 8,659,323 km (0.101 R)
• M15: 9,071,465 km (0.115 R)
• M16: 9,496,622 km (0.081 R)
• M17: 10,651,368 km (0.119 R)
• M18: 11,022,222 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.6

Radius: 11.7

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.72 AU - 2.42 AU

Year: 2056 Days

Day: 10.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,485,237 km

• M1: 145,559 km (0.068 R)
• M2: 570,267 km (0.115 R)
• M3: 1,110,914 km (0.034 R)
• M4: 1,500,766 km (0.104 R)
• M5: 3,036,837 km (0.092 R)
• M6: 3,527,368 km (0.113 R)
• M7: 4,200,708 km (0.085 R)
• M8: 4,979,216 km (0.103 R)
• M9: 5,481,864 km (0.068 R)
• M10: 6,875,219 km (0.1 R)
• M11: 8,250,921 km (0.094 R)
• M12: 9,769,190 km (0.111 R)
• M13: 12,306,070 km (0.035 R)
• M14: 13,227,743 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.5

Radius: 14.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.48 AU - 3.4 AU

Year: 3480 Days

Day: 8.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,485,237 km

• M1: 180,565 km (0.115 R)
• M2: 1,238,371 km (0.066 R)
• M3: 1,707,809 km (0.067 R)
• M4: 2,229,607 km (0.099 R)
• M5: 3,397,517 km (0.084 R)
• M6: 4,500,502 km (0.098 R)
• M7: 5,135,844 km (0.081 R)
• M8: 5,965,963 km (0.09 R)
• M9: 6,704,827 km (0.078 R)
• M10: 7,283,023 km (0.09 R)
• M11: 8,263,637 km (0.115 R)
• M12: 8,715,123 km (0.104 R)
• M13: 9,479,568 km (0.109 R)
• M14: 10,091,723 km (0.027 R)
• M15: 11,395,319 km (0.104 R)
• M16: 12,310,110 km (0.094 R)
• M17: 14,534,780 km (0.066 R)
• M18: 16,249,321 km (0.099 R)
• M19: 19,159,298 km (0.075 R)
• M20: 19,953,364 km (0.078 R)
• M21: 21,217,765 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.3

Radius: 8.1

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.27 AU - 5.37 AU

Year: 7304 Days

Day: 9.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,485,237 km

• M1: 100,829 km (0.045 R)
• M2: 359,035 km (0.116 R)
• M3: 986,149 km (0.116 R)
• M4: 1,242,410 km (0.053 R)
• M5: 1,594,564 km (0.092 R)
• M6: 2,073,426 km (0.094 R)
• M7: 3,170,876 km (0.079 R)
• M8: 4,429,593 km (0.113 R)
• M9: 4,915,188 km (0.116 R)
• M10: 6,969,017 km (0.049 R)
• M11: 7,439,502 km (0.107 R)
• M12: 7,854,187 km (0.087 R)
• M13: 13,765,697 km (0.069 R)
• M14: 15,759,687 km (0.095 R)
• M15: 16,507,227 km (0.118 R)
• M16: 17,672,595 km (0.097 R)
• M17: 17,938,729 km (0.032 R)
• M18: 19,240,081 km (0.095 R)
• M19: 23,201,433 km (0.115 R)
• M20: 28,578,878 km (0.117 R)
• M21: 31,799,870 km (0.096 R)
• M22: 34,836,258 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.1

Radius: 11.7

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.44 AU - 6.46 AU

Year: 8782 Days

Day: 10.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,485,237 km

• M1: 145,559 km (0.055 R)
• M2: 710,889 km (0.097 R)
• M3: 1,177,934 km (0.114 R)
• M4: 2,096,614 km (0.068 R)
• M5: 2,711,162 km (0.115 R)
• M6: 3,693,422 km (0.048 R)
• M7: 4,208,039 km (0.119 R)
• M8: 5,606,779 km (0.112 R)
• M9: 6,444,078 km (0.11 R)
• M10: 7,328,500 km (0.116 R)
• M11: 7,711,471 km (0.057 R)
• M12: 10,645,983 km (0.111 R)
• M13: 15,582,413 km (0.083 R)
• M14: 18,290,284 km (0.106 R)
• M15: 19,522,522 km (0.105 R)
• M16: 20,809,363 km (0.104 R)
• M17: 21,936,284 km (0.098 R)
• M18: 27,182,980 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.4

Radius: 3.1

Gravity: 20.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.74 AU - 7.12 AU

Year: 9968 Days

Day: 22.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 31,485,237 km

• M1: 42,785 km (0.109 R)
• M2: 167,400 km (0.092 R)
• M3: 382,671 km (0.079 R)
• M4: 821,442 km (0.076 R)
• M5: 1,555,219 km (0.088 R)
• M6: 1,805,347 km (0.115 R)
• M7: 1,918,293 km (0.092 R)
• M8: 2,036,027 km (0.078 R)
• M9: 2,627,088 km (0.027 R)
• M10: 3,099,518 km (0.06 R)
• M11: 3,303,420 km (0.082 R)
• M12: 3,408,737 km (0.087 R)
• M13: 4,800,147 km (0.115 R)
• M14: 5,157,237 km (0.096 R)
• M15: 6,662,640 km (0.103 R)
• M16: 7,389,088 km (0.066 R)
• M17: 7,533,150 km (0.109 R)
• M18: 8,714,525 km (0.083 R)
• M19: 9,203,261 km (0.099 R)
• M20: 9,328,175 km (0.116 R)
• M21: 10,057,914 km (0.06 R)
• M22: 11,341,314 km (0.059 R)
• M23: 11,923,249 km (0.071 R)
• M24: 12,322,227 km (0.04 R)
• M25: 12,989,284 km (0.106 R)
• M26: 13,842,889 km (0.061 R)
• M27: 13,952,096 km (0.119 R)
• M28: 14,961,582 km (0.074 R)
• M29: 15,602,011 km (0.094 R)
• M30: 16,078,929 km (0.112 R)
• M31: 16,199,654 km (0.039 R)
• M32: 16,443,050 km (0.074 R)
• M33: 19,762,627 km (0.049 R)
• M34: 20,110,292 km (0.055 R)
• M35: 25,251,373 km (0.111 R)
• M36: 26,157,636 km (0.1 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 14,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit