🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.4

Radius: 8.3

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.51 AU - 0.79 AU

Year: 362 Days

Day: 14.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,196,940 km

• M1: 103,671 km (0.109 R)
• M2: 415,433 km (0.089 R)
• M3: 821,741 km (0.088 R)
• M4: 1,097,749 km (0.029 R)
• M5: 1,468,752 km (0.099 R)
• M6: 1,739,374 km (0.042 R)
• M7: 2,093,323 km (0.093 R)
• M8: 2,410,770 km (0.119 R)
• M9: 2,760,230 km (0.106 R)
• M10: 3,066,158 km (0.092 R)
• M11: 3,453,616 km (0.073 R)
• M12: 3,924,999 km (0.116 R)
• M13: 4,244,540 km (0.089 R)
• M14: 4,624,519 km (0.118 R)
• M15: 5,011,977 km (0.095 R)
• M16: 5,583,890 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.5

Radius: 8.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.22 AU - 2.52 AU

Year: 2518 Days

Day: 11.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,196,940 km

• M1: 109,506 km (0.08 R)
• M2: 601,832 km (0.081 R)
• M3: 936,034 km (0.038 R)
• M4: 1,490,743 km (0.091 R)
• M5: 2,360,206 km (0.05 R)
• M6: 2,643,394 km (0.071 R)
• M7: 3,700,453 km (0.07 R)
• M8: 4,231,226 km (0.105 R)
• M9: 4,671,792 km (0.099 R)
• M10: 5,533,027 km (0.117 R)
• M11: 9,183,813 km (0.108 R)
• M12: 9,824,840 km (0.07 R)
• M13: 11,339,967 km (0.083 R)
• M14: 11,741,937 km (0.116 R)
• M15: 13,004,992 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.3

Radius: 11.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.71 AU - 2.95 AU

Year: 3286 Days

Day: 8.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,196,940 km

• M1: 146,756 km (0.036 R)
• M2: 1,088,474 km (0.098 R)
• M3: 1,862,045 km (0.078 R)
• M4: 2,321,609 km (0.108 R)
• M5: 2,956,652 km (0.099 R)
• M6: 3,803,825 km (0.119 R)
• M7: 4,198,315 km (0.058 R)
• M8: 5,168,756 km (0.055 R)
• M9: 6,747,462 km (0.117 R)
• M10: 7,455,210 km (0.082 R)
• M11: 8,661,717 km (0.107 R)
• M12: 9,385,920 km (0.109 R)
• M13: 10,111,021 km (0.12 R)
• M14: 10,668,871 km (0.099 R)
• M15: 12,784,933 km (0.11 R)
• M16: 14,210,751 km (0.066 R)
• M17: 17,659,729 km (0.063 R)
• M18: 19,669,577 km (0.11 R)
• M19: 21,959,172 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.5

Radius: 14.7

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.66 AU - 3.02 AU

Year: 3304 Days

Day: 7.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,196,940 km

• M1: 182,809 km (0.09 R)
• M2: 644,468 km (0.081 R)
• M3: 1,198,728 km (0.113 R)
• M4: 1,668,465 km (0.096 R)
• M5: 2,251,598 km (0.047 R)
• M6: 3,048,655 km (0.087 R)
• M7: 3,801,731 km (0.049 R)
• M8: 5,512,831 km (0.119 R)
• M9: 6,107,333 km (0.101 R)
• M10: 7,425,590 km (0.091 R)
• M11: 8,469,035 km (0.087 R)
• M12: 10,251,493 km (0.108 R)
• M13: 10,733,797 km (0.118 R)
• M14: 11,824,365 km (0.065 R)
• M15: 12,944,853 km (0.114 R)
• M16: 13,641,680 km (0.059 R)
• M17: 14,363,340 km (0.065 R)
• M18: 15,981,541 km (0.095 R)
• M19: 17,665,713 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.9

Radius: 10.9

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.04 AU - 4.1 AU

Year: 4656 Days

Day: 14.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,196,940 km

• M1: 138,378 km (0.063 R)
• M2: 741,108 km (0.096 R)
• M3: 2,076,418 km (0.05 R)
• M4: 2,541,817 km (0.095 R)
• M5: 3,133,477 km (0.095 R)
• M6: 3,749,072 km (0.062 R)
• M7: 4,517,706 km (0.12 R)
• M8: 6,304,653 km (0.095 R)
• M9: 6,816,726 km (0.062 R)
• M10: 7,253,103 km (0.068 R)
• M11: 8,559,691 km (0.119 R)
• M12: 11,352,683 km (0.048 R)
• M13: 13,107,915 km (0.112 R)
• M14: 14,374,411 km (0.072 R)
• M15: 16,663,856 km (0.067 R)
• M16: 17,333,756 km (0.101 R)
• M17: 17,769,385 km (0.061 R)
• M18: 18,662,634 km (0.039 R)
• M19: 22,684,572 km (0.054 R)
• M20: 23,056,323 km (0.037 R)
• M21: 24,118,618 km (0.097 R)
• M22: 24,976,113 km (0.091 R)
• M23: 26,834,268 km (0.111 R)
• M24: 27,839,565 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.4

Radius: 4.3

Gravity: 31.61 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.5 AU - 8.7 AU

Year: 13059 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,196,940 km

• M1: 53,556 km (0.096 R)
• M2: 243,994 km (0.111 R)
• M3: 514,168 km (0.114 R)
• M4: 1,040,603 km (0.086 R)
• M5: 1,231,938 km (0.06 R)
• M6: 2,039,019 km (0.06 R)
• M7: 2,460,586 km (0.1 R)
• M8: 3,711,673 km (0.03 R)
• M9: 6,674,459 km (0.061 R)
• M10: 7,905,051 km (0.083 R)
• M11: 9,944,219 km (0.069 R)
• M12: 11,656,816 km (0.069 R)
• M13: 12,308,913 km (0.116 R)
• M14: 13,047,777 km (0.109 R)
• M15: 14,277,322 km (0.094 R)
• M16: 15,161,894 km (0.087 R)
• M17: 18,584,992 km (0.078 R)
• M18: 20,137,519 km (0.049 R)
• M19: 27,111,622 km (0.045 R)
• M20: 28,148,186 km (0.051 R)
• M21: 29,103,518 km (0.116 R)
• M22: 30,080,242 km (0.04 R)
• M23: 43,276,719 km (0.079 R)
• M24: 53,503,379 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.3

Radius: 6.5

Gravity: 13.45 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.75 AU - 10.83 AU

Year: 21144 Days

Day: 23.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,196,940 km

• M1: 82,877 km (0.096 R)
• M2: 293,062 km (0.107 R)
• M3: 581,188 km (0.112 R)
• M4: 1,238,970 km (0.115 R)
• M5: 1,523,505 km (0.05 R)
• M6: 1,869,824 km (0.064 R)
• M7: 2,183,680 km (0.112 R)
• M8: 4,824,232 km (0.095 R)
• M9: 5,571,922 km (0.105 R)
• M10: 6,351,327 km (0.1 R)
• M11: 6,879,856 km (0.082 R)
• M12: 9,401,029 km (0.047 R)
• M13: 13,096,845 km (0.108 R)
• M14: 15,225,473 km (0.036 R)
• M15: 18,002,458 km (0.084 R)
• M16: 20,434,920 km (0.057 R)
• M17: 24,747,677 km (0.03 R)
• M18: 26,945,419 km (0.068 R)
• M19: 33,392,638 km (0.083 R)
• M20: 34,714,485 km (0.113 R)
• M21: 36,484,377 km (0.098 R)
• M22: 38,028,228 km (0.079 R)
• M23: 42,612,804 km (0.071 R)
• M24: 48,550,643 km (0.083 R)
• M25: 48,886,490 km (0.077 R)
• M26: 49,393,178 km (0.117 R)
• M27: 50,416,876 km (0.042 R)
• M28: 51,280,804 km (0.076 R)
• M29: 51,978,977 km (0.048 R)
• M30: 55,382,029 km (0.107 R)
• M31: 59,504,498 km (0.108 R)
• M32: 60,082,095 km (0.057 R)
• M33: 60,857,910 km (0.089 R)
• M34: 61,248,360 km (0.083 R)
• M35: 67,515,613 km (0.079 R)
• M36: 74,196,954 km (0.08 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: 229 - 17,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit