🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.3

Radius: 14.3

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.05 AU - 1.13 AU

Year: 800 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,059,678 km

• M1: 178,919 km (0.083 R)
• M2: 805,585 km (0.093 R)
• M3: 2,754,396 km (0.084 R)
• M4: 3,387,943 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.9

Radius: 12.5

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.45 AU - 3.35 AU

Year: 3471 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,059,678 km

• M1: 156,180 km (0.088 R)
• M2: 895,343 km (0.116 R)
• M3: 1,598,603 km (0.115 R)
• M4: 3,562,224 km (0.094 R)
• M5: 6,322,006 km (0.068 R)
• M6: 7,853,589 km (0.079 R)
• M7: 9,021,649 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.7

Radius: 14.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.85 AU - 3.67 AU

Year: 4137 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,059,678 km

• M1: 187,596 km (0.078 R)
• M2: 774,917 km (0.087 R)
• M3: 1,411,007 km (0.11 R)
• M4: 1,865,336 km (0.098 R)
• M5: 2,665,385 km (0.033 R)
• M6: 3,282,327 km (0.078 R)
• M7: 4,079,085 km (0.066 R)
• M8: 5,539,759 km (0.117 R)
• M9: 6,885,691 km (0.119 R)
• M10: 7,390,733 km (0.071 R)
• M11: 11,651,430 km (0.099 R)
• M12: 16,645,306 km (0.083 R)
• M13: 17,850,916 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.7

Radius: 13.1

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.42 AU - 4.6 AU

Year: 5644 Days

Day: 7.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,059,678 km

• M1: 163,062 km (0.12 R)
• M2: 598,990 km (0.113 R)
• M3: 1,313,769 km (0.072 R)
• M4: 1,788,293 km (0.097 R)
• M5: 2,236,339 km (0.029 R)
• M6: 2,825,006 km (0.089 R)
• M7: 3,291,752 km (0.094 R)
• M8: 3,749,970 km (0.106 R)
• M9: 4,272,515 km (0.05 R)
• M10: 6,167,771 km (0.114 R)
• M11: 6,718,590 km (0.1 R)
• M12: 7,525,670 km (0.116 R)
• M13: 13,983,811 km (0.104 R)
• M14: 16,917,724 km (0.11 R)
• M15: 20,619,972 km (0.054 R)
• M16: 21,722,658 km (0.05 R)
• M17: 22,187,907 km (0.08 R)
• M18: 22,932,606 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.7

Radius: 10.5

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.16 AU - 4.86 AU

Year: 6732 Days

Day: 13.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,059,678 km

• M1: 133,591 km (0.107 R)
• M2: 529,726 km (0.096 R)
• M3: 974,181 km (0.041 R)
• M4: 1,768,396 km (0.095 R)
• M5: 2,196,097 km (0.066 R)
• M6: 2,818,873 km (0.082 R)
• M7: 3,162,499 km (0.1 R)
• M8: 3,620,717 km (0.08 R)
• M9: 4,099,131 km (0.099 R)
• M10: 5,643,131 km (0.05 R)
• M11: 6,711,409 km (0.101 R)
• M12: 7,188,626 km (0.117 R)
• M13: 8,717,666 km (0.112 R)
• M14: 9,080,441 km (0.088 R)
• M15: 10,770,747 km (0.038 R)
• M16: 11,860,867 km (0.045 R)
• M17: 13,604,879 km (0.091 R)
• M18: 14,482,121 km (0.042 R)
• M19: 16,047,513 km (0.112 R)
• M20: 25,515,114 km (0.026 R)
• M21: 27,531,543 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.8

Radius: 7.2

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.46 AU - 8 AU

Year: 13665 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,059,678 km

• M1: 89,609 km (0.108 R)
• M2: 324,029 km (0.111 R)
• M3: 602,580 km (0.119 R)
• M4: 1,171,202 km (0.103 R)
• M5: 1,591,572 km (0.095 R)
• M6: 1,983,069 km (0.098 R)
• M7: 2,958,896 km (0.059 R)
• M8: 4,714,876 km (0.085 R)
• M9: 6,740,880 km (0.109 R)
• M10: 7,499,640 km (0.046 R)
• M11: 8,313,902 km (0.105 R)
• M12: 8,839,738 km (0.09 R)
• M13: 9,799,857 km (0.085 R)
• M14: 13,742,360 km (0.094 R)
• M15: 14,006,549 km (0.09 R)
• M16: 14,477,184 km (0.094 R)
• M17: 15,521,078 km (0.091 R)
• M18: 17,294,262 km (0.063 R)
• M19: 17,914,195 km (0.115 R)
• M20: 18,388,869 km (0.094 R)
• M21: 21,150,297 km (0.041 R)
• M22: 24,465,236 km (0.093 R)
• M23: 27,479,633 km (0.073 R)
• M24: 31,071,627 km (0.097 R)
• M25: 33,513,364 km (0.113 R)
• M26: 34,355,001 km (0.077 R)
• M27: 37,862,473 km (0.115 R)
• M28: 38,251,876 km (0.085 R)
• M29: 38,513,074 km (0.064 R)
• M30: 44,131,073 km (0.115 R)
• M31: 47,811,629 km (0.114 R)
• M32: 48,571,437 km (0.112 R)
• M33: 50,584,874 km (0.113 R)
• M34: 51,373,854 km (0.06 R)
• M35: 54,777,355 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.5

Radius: 7.1

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.15 AU - 9.73 AU

Year: 15727 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,059,678 km

• M1: 104,270 km (0.043 R)
• M2: 728,691 km (0.103 R)
• M3: 1,099,245 km (0.103 R)
• M4: 1,514,678 km (0.117 R)
• M5: 2,657,905 km (0.088 R)
• M6: 3,226,976 km (0.067 R)
• M7: 3,513,755 km (0.114 R)
• M8: 3,817,438 km (0.098 R)
• M9: 4,477,763 km (0.094 R)
• M10: 4,735,820 km (0.11 R)
• M11: 5,176,535 km (0.109 R)
• M12: 13,324,084 km (0.114 R)
• M13: 14,831,432 km (0.082 R)
• M14: 16,832,603 km (0.115 R)
• M15: 19,175,156 km (0.074 R)
• M16: 22,845,689 km (0.077 R)
• M17: 25,097,137 km (0.084 R)
• M18: 32,611,139 km (0.089 R)
• M19: 41,780,441 km (0.109 R)
• M20: 50,891,999 km (0.037 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 11,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit