🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.8

Radius: 10.8

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.83 AU - 1.05 AU

Year: 608 Days

Day: 6.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,741,928 km

• M1: 134,937 km (0.113 R)
• M2: 692,189 km (0.073 R)
• M3: 1,051,523 km (0.078 R)
• M4: 1,661,733 km (0.111 R)
• M5: 2,016,878 km (0.118 R)
• M6: 2,690,817 km (0.081 R)
• M7: 3,050,450 km (0.051 R)
• M8: 3,535,596 km (0.068 R)
• M9: 3,896,725 km (0.091 R)
• M10: 4,469,236 km (0.093 R)
• M11: 4,809,272 km (0.074 R)
• M12: 5,166,512 km (0.105 R)
• M13: 5,633,557 km (0.087 R)
• M14: 7,382,356 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 9.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.05 AU - 1.47 AU

Year: 943 Days

Day: 13.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,741,928 km

• M1: 124,465 km (0.103 R)
• M2: 602,131 km (0.1 R)
• M3: 1,142,180 km (0.118 R)
• M4: 1,561,951 km (0.102 R)
• M5: 2,157,650 km (0.116 R)
• M6: 2,493,348 km (0.057 R)
• M7: 4,620,031 km (0.04 R)
• M8: 5,339,447 km (0.097 R)
• M9: 7,365,601 km (0.083 R)

Asteroid Belt

Center: 1.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.3

Radius: 11.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.49 AU - 2.15 AU

Year: 1637 Days

Day: 14.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,741,928 km

• M1: 138,079 km (0.102 R)
• M2: 535,860 km (0.085 R)
• M3: 1,052,122 km (0.104 R)
• M4: 1,413,849 km (0.097 R)
• M5: 2,025,555 km (0.077 R)
• M6: 2,847,446 km (0.089 R)
• M7: 3,489,520 km (0.061 R)
• M8: 5,563,545 km (0.067 R)
• M9: 6,051,832 km (0.083 R)
• M10: 7,012,999 km (0.039 R)
• M11: 8,212,774 km (0.107 R)
• M12: 8,787,828 km (0.069 R)
• M13: 12,444,598 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.6

Radius: 9.4

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.41 AU - 2.25 AU

Year: 1651 Days

Day: 8.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,741,928 km

• M1: 117,135 km (0.094 R)
• M2: 441,164 km (0.116 R)
• M3: 776,114 km (0.03 R)
• M4: 1,104,032 km (0.106 R)
• M5: 1,587,682 km (0.107 R)
• M6: 1,978,133 km (0.057 R)
• M7: 2,277,328 km (0.085 R)
• M8: 2,619,758 km (0.091 R)
• M9: 3,010,807 km (0.058 R)
• M10: 3,630,142 km (0.096 R)
• M11: 4,478,960 km (0.055 R)
• M12: 5,244,901 km (0.119 R)
• M13: 5,780,013 km (0.074 R)
• M14: 7,395,371 km (0.05 R)
• M15: 8,636,584 km (0.08 R)
• M16: 9,079,693 km (0.109 R)
• M17: 9,537,911 km (0.087 R)
• M18: 11,281,774 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.2

Radius: 12.2

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.66 AU - 2.66 AU

Year: 2117 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,741,928 km

• M1: 151,692 km (0.085 R)
• M2: 587,172 km (0.105 R)
• M3: 1,014,423 km (0.078 R)
• M4: 1,577,510 km (0.046 R)
• M5: 2,318,169 km (0.077 R)
• M6: 2,725,972 km (0.092 R)
• M7: 3,134,075 km (0.098 R)
• M8: 4,152,089 km (0.063 R)
• M9: 5,518,217 km (0.114 R)
• M10: 6,151,913 km (0.057 R)
• M11: 8,535,905 km (0.091 R)
• M12: 9,317,404 km (0.085 R)
• M13: 10,288,743 km (0.077 R)
• M14: 11,364,651 km (0.108 R)
• M15: 11,989,671 km (0.098 R)
• M16: 12,391,790 km (0.086 R)
• M17: 12,886,361 km (0.084 R)
• M18: 16,038,388 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.5

Radius: 3.1

Gravity: 64.78 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.01 AU - 10.25 AU

Year: 19928 Days

Day: 19.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,741,928 km

• M1: 38,746 km (0.108 R)
• M2: 207,492 km (0.099 R)
• M3: 534,663 km (0.118 R)
• M4: 738,714 km (0.118 R)
• M5: 921,074 km (0.104 R)
• M6: 1,583,493 km (0.1 R)
• M7: 2,291,989 km (0.069 R)
• M8: 2,514,890 km (0.082 R)
• M9: 2,679,447 km (0.109 R)
• M10: 4,199,511 km (0.06 R)
• M11: 4,431,239 km (0.066 R)
• M12: 4,992,829 km (0.071 R)
• M13: 5,600,495 km (0.105 R)
• M14: 7,522,828 km (0.085 R)
• M15: 8,422,061 km (0.051 R)
• M16: 10,134,508 km (0.071 R)
• M17: 10,490,850 km (0.113 R)
• M18: 14,977,888 km (0.048 R)
• M19: 15,990,965 km (0.119 R)
• M20: 17,215,424 km (0.077 R)
• M21: 20,973,771 km (0.094 R)
• M22: 21,942,866 km (0.082 R)
• M23: 24,389,689 km (0.03 R)
• M24: 25,136,182 km (0.039 R)
• M25: 27,352,774 km (0.093 R)
• M26: 28,158,209 km (0.086 R)
• M27: 34,777,316 km (0.104 R)
• M28: 35,722,176 km (0.113 R)
• M29: 40,853,234 km (0.092 R)
• M30: 43,438,285 km (0.119 R)
• M31: 44,061,958 km (0.03 R)
• M32: 44,218,887 km (0.107 R)
• M33: 46,454,028 km (0.06 R)
• M34: 48,096,015 km (0.065 R)
• M35: 52,898,256 km (0.109 R)
• M36: 58,010,464 km (0.119 R)
• M37: 58,198,808 km (0.113 R)
• M38: 61,464,828 km (0.108 R)
• M39: 71,125,560 km (0.102 R)
• M40: 71,991,582 km (0.069 R)
• M41: 72,864,635 km (0.188 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.8

Radius: 4.1

Gravity: 48 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.27 AU - 11.85 AU

Year: 21278 Days

Day: 15.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,741,928 km

• M1: 51,013 km (0.101 R)
• M2: 311,463 km (0.113 R)
• M3: 930,050 km (0.089 R)
• M4: 1,735,186 km (0.098 R)
• M5: 2,472,554 km (0.062 R)
• M6: 2,716,997 km (0.085 R)
• M7: 3,311,498 km (0.105 R)
• M8: 6,798,326 km (0.095 R)
• M9: 8,465,594 km (0.115 R)
• M10: 8,629,553 km (0.1 R)
• M11: 9,364,528 km (0.092 R)
• M12: 9,658,039 km (0.11 R)
• M13: 10,387,328 km (0.094 R)
• M14: 14,669,866 km (0.083 R)
• M15: 17,414,688 km (0.105 R)
• M16: 18,768,399 km (0.088 R)
• M17: 21,278,053 km (0.026 R)
• M18: 21,990,139 km (0.115 R)
• M19: 22,928,716 km (0.082 R)
• M20: 24,002,530 km (0.115 R)
• M21: 24,221,391 km (0.075 R)
• M22: 25,109,554 km (0.07 R)
• M23: 27,904,341 km (0.056 R)
• M24: 28,634,080 km (0.086 R)
• M25: 30,004,845 km (0.027 R)
• M26: 30,514,076 km (0.103 R)
• M27: 30,642,132 km (0.12 R)
• M28: 32,208,422 km (0.117 R)
• M29: 35,926,078 km (0.083 R)
• M30: 36,500,085 km (0.107 R)
• M31: 37,961,656 km (0.096 R)
• M32: 42,580,192 km (0.089 R)
• M33: 51,993,787 km (0.109 R)
• M34: 64,373,759 km (0.074 R)
• M35: 67,151,492 km (0.114 R)
• M36: 79,303,477 km (0.166 R)
• M37: 81,010,389 km (0.119 R)
• M38: 83,240,743 km (0.07 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: 520 - 19,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit