🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.46 AU - 0.58 AU

Year: 242 Days

Day: 43.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.58 AU - 0.58 AU

Year: 285 Days

Day: 16.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.4

Radius: 9.4

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.55 AU - 0.83 AU

Year: 370 Days

Day: 7.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 12,975,341 km

• M1: 117,434 km (0.06 R)
• M2: 180,864 km (0.096 R)
• M3: 244,443 km (0.064 R)
• M4: 340,036 km (0.103 R)
• M5: 480,808 km (0.083 R)
• M6: 557,551 km (0.07 R)
• M7: 759,957 km (0.083 R)
• M8: 897,138 km (0.111 R)
• M9: 1,100,891 km (0.106 R)
• M10: 1,183,020 km (0.107 R)
• M11: 1,243,607 km (0.037 R)
• M12: 1,305,391 km (0.07 R)
• M13: 1,441,974 km (0.096 R)
• M14: 1,537,567 km (0.101 R)
• M15: 1,630,018 km (0.037 R)
• M16: 1,708,707 km (0.111 R)
• M17: 1,810,134 km (0.106 R)
• M18: 1,897,051 km (0.091 R)
• M19: 1,957,787 km (0.089 R)
• M20: 2,024,658 km (0.107 R)
• M21: 2,218,536 km (0.076 R)
• M22: 2,323,704 km (0.101 R)
• M23: 2,382,944 km (0.117 R)
• M24: 2,484,671 km (0.068 R)
• M25: 2,545,258 km (0.097 R)
• M26: 2,606,294 km (0.109 R)
• M27: 2,723,728 km (0.11 R)
• M28: 2,798,827 km (0.103 R)
• M29: 3,008,862 km (0.091 R)
• M30: 3,145,295 km (0.044 R)
• M31: 3,230,716 km (0.095 R)
• M32: 3,323,765 km (0.098 R)
• M33: 3,614,883 km (0.1 R)
• M34: 3,711,374 km (0.115 R)
• M35: 3,780,937 km (0.057 R)
• M36: 3,872,042 km (0.117 R)
• M37: 3,984,988 km (0.088 R)
• M38: 4,149,546 km (0.037 R)
• M39: 4,228,982 km (0.071 R)
• M40: 4,492,723 km (0.107 R)
• M41: 4,589,214 km (0.106 R)
• M42: 4,822,287 km (0.036 R)
• M43: 4,898,283 km (0.041 R)
• M44: 5,067,029 km (0.071 R)
• M45: 5,183,117 km (0.118 R)
• M46: 5,260,908 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.7

Radius: 11.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.57 AU - 0.85 AU

Year: 386 Days

Day: 12.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 12,975,341 km

• M1: 148,251 km (0.061 R)
• M2: 230,530 km (0.079 R)
• M3: 325,076 km (0.059 R)
• M4: 416,181 km (0.032 R)
• M5: 561,590 km (0.08 R)
• M6: 695,630 km (0.086 R)
• M7: 808,576 km (0.118 R)
• M8: 976,126 km (0.119 R)
• M9: 1,101,340 km (0.103 R)
• M10: 1,200,822 km (0.094 R)
• M11: 1,278,463 km (0.092 R)
• M12: 1,372,560 km (0.08 R)
• M13: 1,495,530 km (0.114 R)
• M14: 1,809,386 km (0.095 R)
• M15: 1,903,633 km (0.067 R)
• M16: 2,008,052 km (0.076 R)
• M17: 2,093,024 km (0.104 R)
• M18: 2,179,192 km (0.119 R)
• M19: 2,266,557 km (0.083 R)
• M20: 2,368,583 km (0.112 R)
• M21: 2,476,742 km (0.068 R)
• M22: 2,950,369 km (0.077 R)
• M23: 3,315,388 km (0.103 R)
• M24: 3,391,085 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.7

Radius: 8.5

Gravity: 13.37 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.17 AU - 1.83 AU

Year: 1186 Days

Day: 11.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 12,975,341 km

• M1: 108,907 km (0.091 R)
• M2: 271,670 km (0.078 R)
• M3: 402,418 km (0.113 R)
• M4: 476,619 km (0.119 R)
• M5: 543,639 km (0.096 R)
• M6: 654,191 km (0.085 R)
• M7: 860,786 km (0.038 R)
• M8: 944,860 km (0.109 R)
• M9: 1,007,841 km (0.105 R)
• M10: 1,072,168 km (0.047 R)
• M11: 1,222,514 km (0.085 R)
• M12: 1,291,478 km (0.088 R)
• M13: 1,543,850 km (0.073 R)
• M14: 1,618,799 km (0.059 R)
• M15: 1,821,803 km (0.058 R)
• M16: 2,167,823 km (0.101 R)
• M17: 2,316,224 km (0.083 R)
• M18: 2,370,079 km (0.066 R)
• M19: 2,512,197 km (0.031 R)
• M20: 2,657,157 km (0.065 R)
• M21: 2,724,925 km (0.066 R)
• M22: 2,897,112 km (0.099 R)
• M23: 3,037,435 km (0.044 R)
• M24: 3,361,464 km (0.082 R)
• M25: 3,472,017 km (0.044 R)
• M26: 3,608,749 km (0.086 R)
• M27: 3,785,275 km (0.112 R)
• M28: 3,926,047 km (0.118 R)
• M29: 4,519,950 km (0.105 R)
• M30: 4,601,331 km (0.076 R)
• M31: 4,862,080 km (0.08 R)
• M32: 5,127,766 km (0.117 R)
• M33: 5,556,813 km (0.119 R)
• M34: 5,644,028 km (0.107 R)
• M35: 5,702,372 km (0.091 R)
• M36: 5,923,178 km (0.103 R)
• M37: 5,982,568 km (0.056 R)
• M38: 6,146,827 km (0.091 R)
• M39: 6,222,075 km (0.05 R)
• M40: 6,464,722 km (0.084 R)
• M41: 6,525,758 km (0.071 R)
• M42: 6,664,136 km (0.114 R)
• M43: 6,881,203 km (0.052 R)
• M44: 7,037,682 km (0.064 R)
• M45: 7,132,078 km (0.091 R)
• M46: 7,195,209 km (0.083 R)
• M47: 7,306,360 km (0.116 R)
• M48: 7,370,089 km (0.094 R)
• M49: 7,433,967 km (0.062 R)
• M50: 7,562,322 km (0.108 R)
• M51: 7,788,813 km (0.055 R)
• M52: 8,132,589 km (0.114 R)
• M53: 8,215,317 km (0.089 R)
• M54: 8,514,961 km (0.043 R)
• M55: 8,666,205 km (0.113 R)
• M56: 8,767,482 km (0.103 R)
• M57: 8,971,235 km (0.119 R)
• M58: 9,056,655 km (0.057 R)
• M59: 9,211,040 km (0.099 R)
• M60: 9,470,293 km (0.113 R)
• M61: 9,557,210 km (0.109 R)
• M62: 9,872,412 km (0.115 R)
• M63: 10,173,403 km (0.043 R)
• M64: 10,585,246 km (0.114 R)
• M65: 10,639,401 km (0.058 R)
• M66: 11,204,133 km (0.116 R)
• M67: 11,610,740 km (0.116 R)
• M68: 11,685,239 km (0.115 R)
• M69: 11,984,734 km (0.088 R)
• M70: 12,154,229 km (0.113 R)
• M71: 12,343,620 km (0.046 R)
• M72: 12,667,648 km (0.079 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 10,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit