🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.2

Radius: 11.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.62 AU - 0.88 AU

Year: 433 Days

Day: 10.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,410,123 km

• M1: 149,149 km (0.076 R)
• M2: 529,128 km (0.087 R)
• M3: 1,137,393 km (0.047 R)
• M4: 1,544,748 km (0.055 R)
• M5: 1,928,616 km (0.03 R)
• M6: 2,409,723 km (0.101 R)
• M7: 2,941,992 km (0.106 R)
• M8: 3,391,982 km (0.116 R)
• M9: 3,807,415 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 10.8

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.84 AU - 2.22 AU

Year: 1929 Days

Day: 13.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,410,123 km

• M1: 134,339 km (0.1 R)
• M2: 569,220 km (0.103 R)
• M3: 1,052,271 km (0.114 R)
• M4: 1,622,389 km (0.08 R)
• M5: 2,156,005 km (0.11 R)
• M6: 2,541,668 km (0.11 R)
• M7: 2,895,467 km (0.038 R)
• M8: 3,649,440 km (0.118 R)
• M9: 4,102,572 km (0.042 R)
• M10: 4,963,657 km (0.1 R)
• M11: 5,449,402 km (0.096 R)
• M12: 6,543,261 km (0.065 R)
• M13: 6,957,498 km (0.079 R)
• M14: 8,180,012 km (0.092 R)
• M15: 8,759,853 km (0.113 R)
• M16: 9,575,461 km (0.105 R)
• M17: 9,965,761 km (0.116 R)
• M18: 12,577,890 km (0.106 R)
• M19: 13,793,971 km (0.041 R)
• M20: 14,523,111 km (0.071 R)
• M21: 16,661,164 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.1

Radius: 8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.3 AU - 3.42 AU

Year: 4107 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,410,123 km

• M1: 99,483 km (0.079 R)
• M2: 358,287 km (0.102 R)
• M3: 786,436 km (0.12 R)
• M4: 1,099,544 km (0.071 R)
• M5: 2,811,842 km (0.087 R)
• M6: 3,457,955 km (0.119 R)
• M7: 4,627,661 km (0.035 R)
• M8: 5,458,826 km (0.078 R)
• M9: 7,059,823 km (0.107 R)
• M10: 8,920,222 km (0.042 R)
• M11: 9,563,044 km (0.087 R)
• M12: 10,065,094 km (0.086 R)
• M13: 10,976,893 km (0.105 R)
• M14: 11,231,509 km (0.073 R)
• M15: 11,564,663 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.2

Radius: 10.4

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.74 AU - 4.56 AU

Year: 5638 Days

Day: 14.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,410,123 km

• M1: 129,701 km (0.109 R)
• M2: 643,720 km (0.075 R)
• M3: 1,060,200 km (0.074 R)
• M4: 1,592,769 km (0.096 R)
• M5: 1,958,386 km (0.092 R)
• M6: 2,330,286 km (0.107 R)
• M7: 2,900,404 km (0.052 R)
• M8: 3,281,429 km (0.066 R)
• M9: 3,718,704 km (0.082 R)
• M10: 4,710,687 km (0.109 R)
• M11: 5,268,837 km (0.061 R)
• M12: 5,685,467 km (0.099 R)
• M13: 6,720,684 km (0.052 R)
• M14: 7,139,858 km (0.084 R)
• M15: 8,343,522 km (0.078 R)
• M16: 8,787,080 km (0.065 R)
• M17: 9,809,581 km (0.113 R)
• M18: 10,627,283 km (0.101 R)
• M19: 11,197,101 km (0.108 R)
• M20: 12,449,834 km (0.105 R)
• M21: 14,936,749 km (0.104 R)
• M22: 18,068,880 km (0.089 R)
• M23: 20,433,124 km (0.082 R)
• M24: 21,464,153 km (0.096 R)
• M25: 22,298,161 km (0.109 R)
• M26: 24,930,336 km (0.118 R)
• M27: 26,107,222 km (0.09 R)
• M28: 26,622,736 km (0.049 R)
• M29: 29,118,777 km (0.119 R)
• M30: 29,580,436 km (0.087 R)
• M31: 30,046,882 km (0.106 R)
• M32: 33,551,810 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.7

Radius: 7.6

Gravity: 16.15 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.83 AU - 7.51 AU

Year: 11487 Days

Day: 22.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,410,123 km

• M1: 109,057 km (0.05 R)
• M2: 346,469 km (0.107 R)
• M3: 641,027 km (0.1 R)
• M4: 1,014,423 km (0.087 R)
• M5: 2,018,823 km (0.12 R)
• M6: 2,360,954 km (0.117 R)
• M7: 2,741,531 km (0.117 R)
• M8: 4,313,056 km (0.055 R)
• M9: 8,417,124 km (0.116 R)
• M10: 12,043,077 km (0.034 R)
• M11: 12,913,887 km (0.105 R)
• M12: 19,123,545 km (0.104 R)
• M13: 27,385,536 km (0.113 R)
• M14: 35,823,005 km (0.114 R)
• M15: 38,404,765 km (0.093 R)
• M16: 39,606,036 km (0.119 R)
• M17: 41,803,180 km (0.068 R)
• M18: 44,955,207 km (0.12 R)
• M19: 45,396,970 km (0.093 R)
• M20: 47,954,944 km (0.115 R)
• M21: 51,888,919 km (0.045 R)
• M22: 54,683,557 km (0.054 R)
• M23: 56,373,564 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.6

Radius: 5.4

Gravity: 18.16 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.17 AU - 8.21 AU

Year: 14221 Days

Day: 21.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,410,123 km

• M1: 67,169 km (0.054 R)
• M2: 825,780 km (0.079 R)
• M3: 1,222,813 km (0.115 R)
• M4: 1,754,783 km (0.101 R)
• M5: 2,638,158 km (0.089 R)
• M6: 4,454,277 km (0.107 R)
• M7: 4,996,718 km (0.11 R)
• M8: 5,475,731 km (0.084 R)
• M9: 5,836,112 km (0.11 R)
• M10: 6,765,863 km (0.072 R)
• M11: 7,308,754 km (0.092 R)
• M12: 8,671,740 km (0.113 R)
• M13: 15,969,573 km (0.106 R)
• M14: 16,334,292 km (0.058 R)
• M15: 18,400,538 km (0.058 R)
• M16: 20,548,764 km (0.042 R)
• M17: 21,242,000 km (0.078 R)
• M18: 23,980,987 km (0.103 R)
• M19: 24,943,799 km (0.105 R)
• M20: 26,639,342 km (0.079 R)
• M21: 34,191,491 km (0.104 R)
• M22: 37,164,449 km (0.075 R)
• M23: 45,778,744 km (0.053 R)
• M24: 50,623,919 km (0.105 R)
• M25: 50,937,626 km (0.067 R)
• M26: 54,310,011 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134

Radius: 4.7

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.59 AU - 9.51 AU

Year: 18155 Days

Day: 22.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,410,123 km

• M1: 102,325 km (0.103 R)
• M2: 480,957 km (0.081 R)
• M3: 836,701 km (0.117 R)
• M4: 1,243,308 km (0.084 R)
• M5: 2,455,200 km (0.1 R)
• M6: 2,992,705 km (0.093 R)
• M7: 3,727,081 km (0.066 R)
• M8: 7,437,857 km (0.104 R)
• M9: 8,252,567 km (0.041 R)
• M10: 10,696,547 km (0.118 R)
• M11: 12,439,961 km (0.107 R)
• M12: 14,302,903 km (0.12 R)
• M13: 14,921,340 km (0.075 R)
• M14: 20,914,530 km (0.087 R)
• M15: 23,874,175 km (0.058 R)
• M16: 24,306,064 km (0.102 R)
• M17: 28,238,393 km (0.117 R)
• M18: 30,506,297 km (0.104 R)
• M19: 36,529,556 km (0.053 R)
• M20: 36,872,883 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 12,292 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit