🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.9

Radius: 12.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.67 AU - 0.73 AU

Year: 378 Days

Day: 5.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,864,987 km

• M1: 153,039 km (0.114 R)
• M2: 549,772 km (0.108 R)
• M3: 944,561 km (0.093 R)
• M4: 1,546,842 km (0.111 R)
• M5: 2,724,925 km (0.078 R)
• M6: 3,182,246 km (0.104 R)
• M7: 3,990,374 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.4

Radius: 9.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.57 AU - 0.89 AU

Year: 403 Days

Day: 9.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,864,987 km

• M1: 116,836 km (0.067 R)
• M2: 686,804 km (0.076 R)
• M3: 990,338 km (0.06 R)
• M4: 1,396,197 km (0.103 R)
• M5: 1,975,290 km (0.074 R)
• M6: 2,397,755 km (0.074 R)
• M7: 2,747,514 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.9

Radius: 13.2

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.96 AU - 1.16 AU

Year: 705 Days

Day: 13.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,864,987 km

• M1: 164,109 km (0.09 R)
• M2: 587,920 km (0.099 R)
• M3: 1,454,989 km (0.114 R)
• M4: 2,494,844 km (0.115 R)
• M5: 3,103,857 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.9

Radius: 12.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.7 AU - 1.78 AU

Year: 1482 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,864,987 km

• M1: 153,039 km (0.114 R)
• M2: 957,726 km (0.106 R)
• M3: 1,499,569 km (0.083 R)
• M4: 2,583,555 km (0.082 R)
• M5: 3,053,293 km (0.083 R)
• M6: 3,505,228 km (0.104 R)
• M7: 4,001,893 km (0.114 R)
• M8: 7,180,249 km (0.034 R)
• M9: 9,480,017 km (0.076 R)
• M10: 10,543,508 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.4

Radius: 14.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.93 AU - 2.83 AU

Year: 2371 Days

Day: 7 Hours

Environment

Temp: -192 °C

Axial Tilt: 84.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,864,987 km

• M1: 182,210 km (0.12 R)
• M2: 642,074 km (0.062 R)
• M3: 1,105,977 km (0.102 R)
• M4: 1,785,750 km (0.075 R)
• M5: 2,345,395 km (0.096 R)
• M6: 3,380,912 km (0.065 R)
• M7: 4,461,457 km (0.084 R)
• M8: 6,570,189 km (0.06 R)
• M9: 9,030,475 km (0.075 R)
• M10: 11,180,646 km (0.081 R)
• M11: 11,925,643 km (0.09 R)
• M12: 12,792,114 km (0.06 R)
• M13: 14,748,106 km (0.087 R)
• M14: 17,934,092 km (0.109 R)
• M15: 19,776,988 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.5

Radius: 14.1

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.51 AU - 2.85 AU

Year: 2833 Days

Day: 6 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,864,987 km

• M1: 176,675 km (0.106 R)
• M2: 618,587 km (0.078 R)
• M3: 1,339,799 km (0.108 R)
• M4: 2,262,069 km (0.104 R)
• M5: 3,227,574 km (0.057 R)
• M6: 4,185,300 km (0.091 R)
• M7: 4,797,454 km (0.073 R)
• M8: 5,916,596 km (0.027 R)
• M9: 6,362,098 km (0.111 R)
• M10: 8,702,557 km (0.068 R)
• M11: 9,142,375 km (0.091 R)
• M12: 9,775,922 km (0.112 R)
• M13: 10,401,091 km (0.043 R)
• M14: 11,329,047 km (0.098 R)
• M15: 15,650,630 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.2

Radius: 11.4

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.28 AU - 3.54 AU

Year: 4066 Days

Day: 12.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,864,987 km

• M1: 141,819 km (0.093 R)
• M2: 516,861 km (0.066 R)
• M3: 893,099 km (0.046 R)
• M4: 1,282,054 km (0.08 R)
• M5: 1,877,902 km (0.114 R)
• M6: 2,294,831 km (0.096 R)
• M7: 3,084,558 km (0.087 R)
• M8: 3,460,199 km (0.09 R)
• M9: 4,163,010 km (0.103 R)
• M10: 4,725,049 km (0.116 R)
• M11: 5,448,803 km (0.062 R)
• M12: 5,911,659 km (0.08 R)
• M13: 6,527,254 km (0.071 R)
• M14: 7,778,491 km (0.119 R)
• M15: 8,671,740 km (0.071 R)
• M16: 9,967,407 km (0.117 R)
• M17: 11,387,988 km (0.057 R)
• M18: 12,002,088 km (0.028 R)
• M19: 13,503,901 km (0.078 R)
• M20: 15,467,073 km (0.093 R)
• M21: 15,869,791 km (0.037 R)
• M22: 17,489,487 km (0.1 R)
• M23: 18,564,198 km (0.077 R)
• M24: 19,019,275 km (0.075 R)
• M25: 19,415,260 km (0.107 R)
• M26: 20,019,636 km (0.094 R)
• M27: 21,764,396 km (0.09 R)
• M28: 27,269,747 km (0.119 R)
• M29: 28,369,441 km (0.088 R)
• M30: 29,410,493 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.5

Radius: 13.3

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.72 AU - 4.36 AU

Year: 4301 Days

Day: 8.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,864,987 km

• M1: 165,455 km (0.103 R)
• M2: 725,998 km (0.071 R)
• M3: 1,419,833 km (0.107 R)
• M4: 2,057,420 km (0.03 R)
• M5: 2,546,904 km (0.075 R)
• M6: 3,619,820 km (0.118 R)
• M7: 4,248,430 km (0.054 R)
• M8: 4,974,578 km (0.095 R)
• M9: 5,810,381 km (0.078 R)
• M10: 6,992,653 km (0.118 R)
• M11: 7,796,443 km (0.073 R)
• M12: 9,193,986 km (0.119 R)
• M13: 9,749,144 km (0.025 R)
• M14: 10,242,517 km (0.113 R)
• M15: 11,190,818 km (0.06 R)
• M16: 12,576,992 km (0.109 R)
• M17: 15,029,051 km (0.086 R)
• M18: 15,800,527 km (0.068 R)
• M19: 19,538,679 km (0.045 R)
• M20: 21,474,625 km (0.084 R)
• M21: 24,126,397 km (0.071 R)
• M22: 26,273,276 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.9

Radius: 4

Gravity: 59.24 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.27 AU - 7.89 AU

Year: 12164 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,864,987 km

• M1: 49,816 km (0.094 R)
• M2: 177,273 km (0.104 R)
• M3: 313,108 km (0.052 R)
• M4: 645,814 km (0.083 R)
• M5: 1,022,950 km (0.098 R)
• M6: 1,413,550 km (0.11 R)
• M7: 1,643,033 km (0.119 R)
• M8: 2,724,776 km (0.057 R)
• M9: 4,149,845 km (0.077 R)
• M10: 5,665,720 km (0.075 R)
• M11: 7,560,826 km (0.114 R)
• M12: 7,882,013 km (0.082 R)
• M13: 11,491,061 km (0.049 R)
• M14: 13,718,274 km (0.081 R)
• M15: 14,334,318 km (0.101 R)
• M16: 15,112,078 km (0.079 R)
• M17: 18,340,699 km (0.055 R)
• M18: 19,511,452 km (0.057 R)
• M19: 22,843,595 km (0.096 R)
• M20: 24,296,041 km (0.058 R)
• M21: 27,922,293 km (0.103 R)
• M22: 32,489,366 km (0.084 R)
• M23: 34,074,356 km (0.065 R)
• M24: 34,572,367 km (0.097 R)
• M25: 35,838,264 km (0.079 R)
• M26: 36,095,124 km (0.071 R)
• M27: 36,353,330 km (0.104 R)
• M28: 41,352,442 km (0.106 R)
• M29: 42,347,118 km (0.063 R)
• M30: 46,181,162 km (0.1 R)
• M31: 47,251,535 km (0.031 R)
• M32: 51,209,446 km (0.061 R)
• M33: 56,590,481 km (0.115 R)
• M34: 58,169,187 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 17,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit