🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.49 AU - 0.59 AU

Year: 256 Days

Day: 42.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.7

Radius: 14.6

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.72 AU - 0.78 AU

Year: 419 Days

Day: 14.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,079,392 km

• M1: 184,604 km (0.108 R)
• M2: 720,912 km (0.114 R)
• M3: 1,428,510 km (0.102 R)
• M4: 2,963,085 km (0.058 R)
• M5: 3,656,471 km (0.111 R)
• M6: 4,285,081 km (0.101 R)
• M7: 4,970,688 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.9

Radius: 10

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.81 AU - 3.53 AU

Year: 3644 Days

Day: 10.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,079,392 km

• M1: 125,213 km (0.116 R)
• M2: 549,473 km (0.073 R)
• M3: 1,140,983 km (0.104 R)
• M4: 1,610,421 km (0.117 R)
• M5: 1,996,832 km (0.089 R)
• M6: 2,702,186 km (0.112 R)
• M7: 4,161,514 km (0.088 R)
• M8: 5,525,098 km (0.119 R)
• M9: 8,257,354 km (0.107 R)
• M10: 8,694,329 km (0.101 R)
• M11: 9,300,799 km (0.077 R)
• M12: 9,733,885 km (0.071 R)
• M13: 11,290,600 km (0.08 R)
• M14: 13,901,831 km (0.046 R)
• M15: 14,260,716 km (0.093 R)
• M16: 14,573,376 km (0.119 R)
• M17: 15,981,241 km (0.112 R)
• M18: 17,300,395 km (0.05 R)
• M19: 18,077,257 km (0.119 R)
• M20: 19,959,049 km (0.065 R)
• M21: 21,081,482 km (0.06 R)
• M22: 21,419,573 km (0.065 R)
• M23: 21,967,849 km (0.055 R)
• M24: 23,524,116 km (0.101 R)
• M25: 25,077,091 km (0.108 R)
• M26: 25,533,065 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.4

Radius: 9.4

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.58 AU - 4.44 AU

Year: 5185 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,079,392 km

• M1: 116,986 km (0.089 R)
• M2: 458,368 km (0.089 R)
• M3: 841,787 km (0.12 R)
• M4: 1,239,568 km (0.064 R)
• M5: 1,735,784 km (0.075 R)
• M6: 2,161,689 km (0.077 R)
• M7: 2,831,289 km (0.107 R)
• M8: 3,384,053 km (0.071 R)
• M9: 3,784,078 km (0.097 R)
• M10: 4,455,623 km (0.108 R)
• M11: 5,204,660 km (0.091 R)
• M12: 6,125,883 km (0.096 R)
• M13: 6,561,512 km (0.1 R)
• M14: 8,214,569 km (0.097 R)
• M15: 9,748,844 km (0.088 R)
• M16: 12,866,464 km (0.086 R)
• M17: 13,634,350 km (0.118 R)
• M18: 15,261,376 km (0.077 R)
• M19: 17,196,275 km (0.074 R)
• M20: 17,813,516 km (0.085 R)
• M21: 20,706,290 km (0.115 R)
• M22: 21,546,581 km (0.067 R)
• M23: 22,191,647 km (0.054 R)
• M24: 22,775,677 km (0.073 R)
• M25: 24,280,782 km (0.102 R)
• M26: 24,667,193 km (0.094 R)
• M27: 25,215,020 km (0.103 R)
• M28: 25,931,445 km (0.095 R)
• M29: 26,825,142 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.4

Radius: 6.8

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.11 AU - 7.27 AU

Year: 11173 Days

Day: 24.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,079,392 km

• M1: 107,112 km (0.092 R)
• M2: 362,476 km (0.038 R)
• M3: 609,312 km (0.062 R)
• M4: 1,581,249 km (0.067 R)
• M5: 1,823,448 km (0.068 R)
• M6: 2,402,991 km (0.105 R)
• M7: 3,406,942 km (0.116 R)
• M8: 4,515,612 km (0.078 R)
• M9: 5,233,682 km (0.063 R)
• M10: 5,466,605 km (0.094 R)
• M11: 6,244,514 km (0.105 R)
• M12: 7,256,245 km (0.099 R)
• M13: 7,887,548 km (0.113 R)
• M14: 10,308,789 km (0.038 R)
• M15: 20,957,614 km (0.037 R)
• M16: 23,290,892 km (0.119 R)
• M17: 26,176,935 km (0.079 R)
• M18: 27,455,099 km (0.027 R)
• M19: 27,957,598 km (0.094 R)
• M20: 32,312,093 km (0.111 R)
• M21: 36,369,786 km (0.081 R)
• M22: 37,465,590 km (0.085 R)
• M23: 39,213,641 km (0.109 R)
• M24: 46,041,437 km (0.097 R)
• M25: 49,069,149 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905

Radius: 4.1

Gravity: 53.84 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.4 AU - 10.52 AU

Year: 18787 Days

Day: 22.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,079,392 km

• M1: 51,013 km (0.091 R)
• M2: 417,079 km (0.106 R)
• M3: 574,306 km (0.115 R)
• M4: 1,012,030 km (0.105 R)
• M5: 1,157,289 km (0.077 R)
• M6: 1,982,621 km (0.111 R)
• M7: 2,528,653 km (0.039 R)
• M8: 2,953,212 km (0.041 R)
• M9: 4,305,128 km (0.084 R)
• M10: 8,359,828 km (0.111 R)
• M11: 13,584,833 km (0.113 R)
• M12: 15,746,373 km (0.115 R)
• M13: 15,990,816 km (0.058 R)
• M14: 19,777,287 km (0.069 R)
• M15: 20,931,734 km (0.102 R)
• M16: 24,882,913 km (0.073 R)
• M17: 25,661,121 km (0.053 R)
• M18: 31,568,741 km (0.084 R)
• M19: 34,083,780 km (0.035 R)
• M20: 36,586,553 km (0.079 R)
• M21: 40,262,023 km (0.084 R)
• M22: 43,533,429 km (0.094 R)
• M23: 67,587,720 km (0.057 R)
• M24: 68,448,955 km (0.095 R)
• M25: 77,232,743 km (0.044 R)
• M26: 80,079,441 km (0.089 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: 407 - 16,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit