🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305

Radius: 9.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.53 AU - 0.85 AU

Year: 364 Days

Day: 13.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,197,555 km

• M1: 123,119 km (0.076 R)
• M2: 446,400 km (0.097 R)
• M3: 764,894 km (0.109 R)
• M4: 1,150,258 km (0.105 R)
• M5: 1,814,921 km (0.114 R)
• M6: 2,157,650 km (0.079 R)
• M7: 3,042,821 km (0.086 R)
• M8: 3,403,950 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.7

Radius: 9.7

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.81 AU - 0.89 AU

Year: 498 Days

Day: 10.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,197,555 km

• M1: 120,875 km (0.097 R)
• M2: 475,572 km (0.071 R)
• M3: 1,042,697 km (0.086 R)
• M4: 1,592,320 km (0.055 R)
• M5: 2,153,611 km (0.06 R)
• M6: 2,615,868 km (0.094 R)
• M7: 3,060,922 km (0.101 R)
• M8: 4,230,029 km (0.118 R)
• M9: 4,624,818 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.1

Radius: 15

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.89 AU - 1.91 AU

Year: 1665 Days

Day: 13.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,197,555 km

• M1: 189,989 km (0.117 R)
• M2: 665,860 km (0.119 R)
• M3: 1,268,889 km (0.108 R)
• M4: 1,916,050 km (0.092 R)
• M5: 2,599,562 km (0.052 R)
• M6: 3,137,815 km (0.09 R)
• M7: 3,715,562 km (0.116 R)
• M8: 4,228,533 km (0.11 R)
• M9: 4,809,871 km (0.043 R)
• M10: 5,444,465 km (0.107 R)
• M11: 10,252,241 km (0.1 R)
• M12: 11,765,274 km (0.086 R)
• M13: 12,354,540 km (0.097 R)
• M14: 13,087,719 km (0.077 R)
• M15: 13,806,687 km (0.11 R)
• M16: 14,507,254 km (0.052 R)
• M17: 15,185,530 km (0.057 R)
• M18: 15,743,231 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.7

Radius: 13.6

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.99 AU - 3.99 AU

Year: 5067 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,197,555 km

• M1: 169,794 km (0.082 R)
• M2: 698,622 km (0.049 R)
• M3: 1,976,188 km (0.105 R)
• M4: 3,140,059 km (0.112 R)
• M5: 3,714,216 km (0.113 R)
• M6: 4,405,059 km (0.111 R)
• M7: 6,715,149 km (0.12 R)
• M8: 9,579,649 km (0.07 R)
• M9: 10,195,992 km (0.056 R)
• M10: 12,395,380 km (0.1 R)
• M11: 14,465,516 km (0.092 R)
• M12: 16,005,775 km (0.087 R)
• M13: 17,171,292 km (0.087 R)
• M14: 22,190,899 km (0.104 R)
• M15: 23,418,051 km (0.069 R)
• M16: 24,462,244 km (0.08 R)
• M17: 25,381,822 km (0.034 R)
• M18: 26,165,565 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.5

Radius: 6.1

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.06 AU - 10.52 AU

Year: 18003 Days

Day: 21.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,197,555 km

• M1: 79,287 km (0.116 R)
• M2: 304,432 km (0.112 R)
• M3: 704,756 km (0.08 R)
• M4: 1,498,671 km (0.073 R)
• M5: 2,302,910 km (0.103 R)
• M6: 3,265,123 km (0.104 R)
• M7: 3,465,435 km (0.102 R)
• M8: 4,410,444 km (0.117 R)
• M9: 5,377,595 km (0.094 R)
• M10: 7,767,121 km (0.107 R)
• M11: 7,989,873 km (0.11 R)
• M12: 8,216,813 km (0.1 R)
• M13: 10,565,948 km (0.086 R)
• M14: 12,951,585 km (0.094 R)
• M15: 20,905,255 km (0.063 R)
• M16: 21,862,532 km (0.087 R)
• M17: 29,288,122 km (0.095 R)
• M18: 30,485,503 km (0.119 R)
• M19: 43,601,197 km (0.081 R)
• M20: 45,017,290 km (0.06 R)
• M21: 46,463,752 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.5

Radius: 7.5

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.28 AU - 10.38 AU

Year: 19596 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 94 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,197,555 km

• M1: 94,097 km (0.081 R)
• M2: 459,116 km (0.098 R)
• M3: 714,779 km (0.1 R)
• M4: 953,088 km (0.117 R)
• M5: 1,370,616 km (0.056 R)
• M6: 1,696,290 km (0.064 R)
• M7: 3,095,479 km (0.053 R)
• M8: 3,547,714 km (0.112 R)
• M9: 6,667,577 km (0.062 R)
• M10: 10,083,495 km (0.098 R)
• M11: 11,318,724 km (0.095 R)
• M12: 11,941,052 km (0.119 R)
• M13: 12,455,220 km (0.094 R)
• M14: 15,249,857 km (0.057 R)
• M15: 15,550,549 km (0.086 R)
• M16: 16,086,109 km (0.046 R)
• M17: 16,319,333 km (0.057 R)
• M18: 17,194,181 km (0.059 R)
• M19: 18,521,712 km (0.084 R)
• M20: 21,007,431 km (0.117 R)
• M21: 21,851,312 km (0.077 R)
• M22: 27,285,604 km (0.097 R)
• M23: 28,177,058 km (0.09 R)
• M24: 31,571,733 km (0.113 R)
• M25: 34,579,697 km (0.118 R)
• M26: 35,887,482 km (0.119 R)
• M27: 41,303,673 km (0.118 R)
• M28: 43,826,043 km (0.115 R)
• M29: 45,202,193 km (0.113 R)
• M30: 47,559,407 km (0.088 R)
• M31: 57,445,283 km (0.092 R)
• M32: 61,148,279 km (0.045 R)
• M33: 62,098,375 km (0.116 R)
• M34: 65,599,863 km (0.035 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 11,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit