🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.5

Radius: 13.8

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.72 AU - 1.18 AU

Year: 628 Days

Day: 8.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,999,997 km

• M1: 171,589 km (0.101 R)
• M2: 694,433 km (0.083 R)
• M3: 1,126,023 km (0.053 R)
• M4: 2,158,548 km (0.119 R)
• M5: 2,853,729 km (0.093 R)
• M6: 3,313,742 km (0.109 R)
• M7: 4,353,747 km (0.109 R)
• M8: 5,908,368 km (0.09 R)
• M9: 6,620,454 km (0.091 R)
• M10: 7,119,063 km (0.117 R)
• M11: 7,926,144 km (0.115 R)
• M12: 8,389,299 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.7

Radius: 13.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.91 AU - 1.45 AU

Year: 869 Days

Day: 5.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,999,997 km

• M1: 162,912 km (0.084 R)
• M2: 639,980 km (0.055 R)
• M3: 1,069,026 km (0.12 R)
• M4: 1,786,498 km (0.054 R)
• M5: 2,250,700 km (0.101 R)
• M6: 3,061,371 km (0.085 R)
• M7: 3,542,777 km (0.057 R)
• M8: 4,122,768 km (0.086 R)
• M9: 5,813,822 km (0.086 R)
• M10: 6,557,473 km (0.116 R)
• M11: 7,126,693 km (0.113 R)
• M12: 8,055,097 km (0.102 R)
• M13: 8,548,770 km (0.119 R)
• M14: 9,313,215 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.8

Radius: 11.6

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.39 AU - 1.47 AU

Year: 1160 Days

Day: 5 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,999,997 km

• M1: 160,219 km (0.063 R)
• M2: 541,245 km (0.087 R)
• M3: 965,505 km (0.086 R)
• M4: 1,530,685 km (0.099 R)
• M5: 2,559,620 km (0.039 R)
• M6: 3,032,648 km (0.102 R)
• M7: 3,425,492 km (0.115 R)
• M8: 3,803,077 km (0.078 R)
• M9: 4,191,134 km (0.105 R)
• M10: 4,718,466 km (0.116 R)
• M11: 6,312,881 km (0.104 R)
• M12: 6,714,102 km (0.031 R)
• M13: 7,620,216 km (0.071 R)
• M14: 9,041,247 km (0.056 R)
• M15: 10,338,260 km (0.099 R)
• M16: 11,650,233 km (0.114 R)
• M17: 12,111,444 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.1

Radius: 11.9

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.18 AU - 3.22 AU

Year: 3883 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,999,997 km

• M1: 148,700 km (0.1 R)
• M2: 653,294 km (0.069 R)
• M3: 1,378,096 km (0.068 R)
• M4: 2,452,807 km (0.085 R)
• M5: 2,910,427 km (0.087 R)
• M6: 4,614,945 km (0.118 R)
• M7: 5,191,645 km (0.081 R)
• M8: 6,636,760 km (0.09 R)
• M9: 7,926,892 km (0.092 R)
• M10: 10,067,488 km (0.071 R)
• M11: 12,297,095 km (0.116 R)
• M12: 12,937,224 km (0.092 R)
• M13: 17,255,067 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.9

Radius: 9.7

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.14 AU - 3.72 AU

Year: 4309 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,999,997 km

• M1: 120,576 km (0.101 R)
• M2: 452,234 km (0.112 R)
• M3: 1,132,007 km (0.1 R)
• M4: 1,581,249 km (0.078 R)
• M5: 1,885,083 km (0.103 R)
• M6: 4,114,390 km (0.071 R)
• M7: 4,677,925 km (0.116 R)
• M8: 5,866,929 km (0.097 R)
• M9: 8,473,822 km (0.064 R)
• M10: 11,696,310 km (0.085 R)
• M11: 12,943,657 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.5

Radius: 5.6

Gravity: 28.65 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.71 AU - 7.99 AU

Year: 12160 Days

Day: 24.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,999,997 km

• M1: 69,862 km (0.112 R)
• M2: 314,156 km (0.086 R)
• M3: 505,641 km (0.088 R)
• M4: 705,354 km (0.092 R)
• M5: 884,722 km (0.107 R)
• M6: 1,059,602 km (0.116 R)
• M7: 1,244,804 km (0.109 R)
• M8: 2,100,354 km (0.099 R)
• M9: 2,294,233 km (0.097 R)
• M10: 2,521,472 km (0.025 R)
• M11: 4,950,493 km (0.105 R)
• M12: 6,468,462 km (0.107 R)
• M13: 8,036,398 km (0.119 R)
• M14: 8,958,519 km (0.098 R)
• M15: 10,838,366 km (0.109 R)
• M16: 12,084,366 km (0.092 R)
• M17: 13,422,968 km (0.11 R)
• M18: 14,025,698 km (0.065 R)
• M19: 15,942,495 km (0.1 R)
• M20: 16,240,494 km (0.111 R)
• M21: 20,113,284 km (0.087 R)
• M22: 20,724,990 km (0.091 R)
• M23: 21,080,135 km (0.102 R)
• M24: 21,349,112 km (0.08 R)
• M25: 33,717,864 km (0.097 R)
• M26: 35,584,397 km (0.079 R)
• M27: 35,965,871 km (0.116 R)
• M28: 38,846,677 km (0.082 R)
• M29: 44,032,338 km (0.109 R)
• M30: 45,360,019 km (0.08 R)
• M31: 46,410,944 km (0.115 R)
• M32: 47,171,350 km (0.102 R)
• M33: 49,502,683 km (0.026 R)
• M34: 51,584,487 km (0.098 R)
• M35: 52,400,394 km (0.105 R)
• M36: 57,303,315 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.9

Radius: 8

Gravity: 13.55 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.97 AU - 8.57 AU

Year: 14690 Days

Day: 18.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,999,997 km

• M1: 99,483 km (0.094 R)
• M2: 378,632 km (0.067 R)
• M3: 783,145 km (0.092 R)
• M4: 1,059,452 km (0.078 R)
• M5: 1,552,377 km (0.056 R)
• M6: 2,918,954 km (0.114 R)
• M7: 3,488,174 km (0.117 R)
• M8: 3,917,220 km (0.082 R)
• M9: 4,191,284 km (0.116 R)
• M10: 4,950,493 km (0.077 R)
• M11: 5,418,584 km (0.032 R)
• M12: 7,134,322 km (0.082 R)
• M13: 7,591,045 km (0.093 R)
• M14: 10,343,945 km (0.119 R)
• M15: 10,989,011 km (0.102 R)
• M16: 13,085,176 km (0.119 R)
• M17: 13,561,945 km (0.089 R)
• M18: 14,262,960 km (0.116 R)
• M19: 17,391,650 km (0.041 R)
• M20: 17,967,901 km (0.064 R)
• M21: 20,401,410 km (0.106 R)
• M22: 20,950,135 km (0.064 R)
• M23: 23,342,653 km (0.115 R)
• M24: 26,663,427 km (0.095 R)
• M25: 29,816,352 km (0.065 R)
• M26: 31,000,120 km (0.096 R)
• M27: 34,352,608 km (0.071 R)
• M28: 36,986,278 km (0.075 R)
• M29: 40,607,444 km (0.112 R)
• M30: 45,225,680 km (0.103 R)
• M31: 45,690,331 km (0.106 R)
• M32: 48,707,571 km (0.086 R)
• M33: 59,659,481 km (0.119 R)
• M34: 64,620,296 km (0.036 R)
• M35: 66,001,533 km (0.099 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 14,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit