🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.49 AU - 0.53 AU

Year: 235 Days

Day: 26.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 94,761,161 km

• M1: 40,541 km (0.068 R)
• M2: 254,765 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.4

Radius: 8.6

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.72 AU - 0.92 AU

Year: 479 Days

Day: 12.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 94,761,161 km

• M1: 107,112 km (0.119 R)
• M2: 396,285 km (0.111 R)
• M3: 756,816 km (0.11 R)
• M4: 1,163,123 km (0.081 R)
• M5: 1,437,785 km (0.098 R)
• M6: 1,763,759 km (0.09 R)
• M7: 2,053,231 km (0.109 R)
• M8: 2,647,583 km (0.056 R)
• M9: 3,130,784 km (0.097 R)
• M10: 3,571,200 km (0.068 R)
• M11: 4,134,436 km (0.084 R)
• M12: 4,591,009 km (0.096 R)
• M13: 5,338,699 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.2

Radius: 10.5

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.56 AU - 1.86 AU

Year: 1444 Days

Day: 12.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 146.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,761,161 km

• M1: 130,599 km (0.075 R)
• M2: 494,122 km (0.067 R)
• M3: 1,173,446 km (0.085 R)
• M4: 1,917,845 km (0.088 R)
• M5: 2,646,835 km (0.09 R)
• M6: 3,219,047 km (0.091 R)
• M7: 3,584,215 km (0.049 R)
• M8: 4,360,778 km (0.089 R)
• M9: 5,777,021 km (0.084 R)
• M10: 6,367,933 km (0.088 R)
• M11: 7,533,001 km (0.096 R)
• M12: 7,951,426 km (0.1 R)
• M13: 8,653,190 km (0.053 R)
• M14: 10,451,057 km (0.074 R)
• M15: 10,831,484 km (0.096 R)
• M16: 12,835,497 km (0.086 R)
• M17: 13,272,173 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.4

Radius: 3.9

Gravity: 58.61 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.88 AU - 7.86 AU

Year: 10381 Days

Day: 15.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 94,761,161 km

• M1: 48,769 km (0.062 R)
• M2: 201,957 km (0.064 R)
• M3: 537,804 km (0.07 R)
• M4: 1,012,478 km (0.04 R)
• M5: 1,922,781 km (0.118 R)
• M6: 2,446,673 km (0.07 R)
• M7: 2,763,671 km (0.07 R)
• M8: 4,521,745 km (0.089 R)
• M9: 4,740,308 km (0.079 R)
• M10: 4,868,214 km (0.108 R)
• M11: 5,265,995 km (0.116 R)
• M12: 5,472,739 km (0.073 R)
• M13: 6,748,809 km (0.095 R)
• M14: 7,158,857 km (0.078 R)
• M15: 8,488,931 km (0.102 R)
• M16: 8,821,487 km (0.112 R)
• M17: 10,238,777 km (0.112 R)
• M18: 10,453,002 km (0.06 R)
• M19: 12,516,854 km (0.072 R)
• M20: 14,166,021 km (0.104 R)
• M21: 14,298,564 km (0.057 R)
• M22: 14,432,006 km (0.093 R)
• M23: 16,387,699 km (0.111 R)
• M24: 16,607,159 km (0.082 R)
• M25: 18,355,509 km (0.098 R)
• M26: 19,806,459 km (0.104 R)
• M27: 22,034,719 km (0.112 R)
• M28: 22,843,445 km (0.118 R)
• M29: 23,393,367 km (0.074 R)
• M30: 25,096,240 km (0.072 R)
• M31: 28,852,642 km (0.102 R)
• M32: 30,147,113 km (0.067 R)
• M33: 30,808,634 km (0.044 R)
• M34: 35,467,710 km (0.078 R)
• M35: 36,701,743 km (0.041 R)
• M36: 42,197,670 km (0.043 R)
• M37: 42,334,851 km (0.1 R)
• M38: 43,582,497 km (0.091 R)
• M39: 45,284,023 km (0.059 R)
• M40: 51,744,258 km (0.115 R)
• M41: 53,329,995 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.8

Radius: 6.3

Gravity: 23.2 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.81 AU - 11.45 AU

Year: 23975 Days

Day: 17 Hours

Environment

Temp: -239 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 94,761,161 km

• M1: 78,389 km (0.111 R)
• M2: 338,091 km (0.03 R)
• M3: 1,142,479 km (0.055 R)
• M4: 1,962,724 km (0.096 R)
• M5: 3,767,024 km (0.088 R)
• M6: 4,137,877 km (0.084 R)
• M7: 4,835,602 km (0.064 R)
• M8: 5,111,460 km (0.026 R)
• M9: 5,869,472 km (0.047 R)
• M10: 8,198,861 km (0.096 R)
• M11: 9,659,684 km (0.04 R)
• M12: 10,747,111 km (0.064 R)
• M13: 14,658,647 km (0.119 R)
• M14: 17,246,391 km (0.049 R)
• M15: 18,078,454 km (0.116 R)
• M16: 18,361,643 km (0.092 R)
• M17: 20,529,765 km (0.085 R)
• M18: 23,866,395 km (0.069 R)
• M19: 26,080,594 km (0.065 R)
• M20: 26,807,340 km (0.09 R)
• M21: 27,672,165 km (0.066 R)
• M22: 29,718,515 km (0.05 R)
• M23: 33,680,764 km (0.116 R)
• M24: 37,367,603 km (0.071 R)
• M25: 38,446,054 km (0.075 R)
• M26: 40,665,189 km (0.092 R)
• M27: 45,356,728 km (0.055 R)
• M28: 48,012,689 km (0.116 R)
• M29: 57,205,328 km (0.102 R)
• M30: 57,408,332 km (0.108 R)
• M31: 62,427,191 km (0.118 R)
• M32: 67,504,094 km (0.057 R)
• M33: 71,900,028 km (0.118 R)
• M34: 81,770,795 km (0.108 R)
• M35: 83,847,662 km (0.114 R)
• M36: 84,899,185 km (0.096 R)
• M37: 86,492,851 km (0.063 R)
• M38: 89,193,093 km (0.026 R)
• M39: 93,629,567 km (0.067 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 14,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit