🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.66 AU - 0.8 AU

Year: 221 Days

Day: 36.6 Hours

Environment

Temp: 204 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.17 AU - 1.37 AU

Year: 508 Days

Day: 31.4 Hours

Environment

Temp: 11 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.64 AU - 1.96 AU

Year: 857 Days

Day: 18.3 Hours

Environment

Temp: -35 °C

Axial Tilt: 58 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,384,222 km

• M1: 1,224,907 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.79 AU - 1.83 AU

Year: 864 Days

Day: 27.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.5 AU - 2.98 AU

Year: 1609 Days

Day: 16.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.58 AU - 3.6 AU

Year: 1927 Days

Day: 25.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.6 AU - 3.58 AU

Year: 1927 Days

Day: 36.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,384,222 km

• M1: 260,300 km (0.071 R)

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.2

Radius: 8.2

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.21 AU - 8.09 AU

Year: 6084 Days

Day: 11.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 46,384,222 km

• M1: 104,719 km (0.063 R)
• M2: 158,574 km (0.079 R)
• M3: 216,618 km (0.109 R)
• M4: 286,779 km (0.109 R)
• M5: 348,563 km (0.043 R)
• M6: 416,032 km (0.117 R)
• M7: 543,788 km (0.074 R)
• M8: 773,571 km (0.076 R)
• M9: 879,486 km (0.118 R)
• M10: 1,091,466 km (0.089 R)
• M11: 1,150,856 km (0.076 R)
• M12: 1,211,294 km (0.041 R)
• M13: 1,272,928 km (0.06 R)
• M14: 1,614,011 km (0.092 R)
• M15: 1,839,455 km (0.036 R)
• M16: 2,378,157 km (0.092 R)
• M17: 2,614,821 km (0.062 R)
• M18: 2,735,995 km (0.036 R)
• M19: 2,921,497 km (0.093 R)
• M20: 3,089,794 km (0.062 R)
• M21: 3,326,458 km (0.065 R)
• M22: 3,613,686 km (0.039 R)
• M23: 3,771,811 km (0.06 R)
• M24: 3,863,215 km (0.077 R)
• M25: 4,259,799 km (0.12 R)
• M26: 4,767,535 km (0.078 R)
• M27: 4,866,419 km (0.118 R)
• M28: 5,268,987 km (0.106 R)
• M29: 5,319,999 km (0.114 R)
• M30: 5,500,115 km (0.111 R)
• M31: 5,813,523 km (0.107 R)
• M32: 6,677,451 km (0.116 R)
• M33: 8,824,479 km (0.077 R)
• M34: 9,345,678 km (0.106 R)
• M35: 9,845,185 km (0.092 R)
• M36: 10,098,305 km (0.093 R)
• M37: 10,161,884 km (0.104 R)
• M38: 11,197,550 km (0.06 R)
• M39: 12,813,357 km (0.108 R)
• M40: 13,298,204 km (0.078 R)
• M41: 13,894,949 km (0.092 R)
• M42: 13,965,859 km (0.116 R)
• M43: 14,036,768 km (0.047 R)
• M44: 14,644,285 km (0.089 R)
• M45: 15,042,066 km (0.062 R)
• M46: 15,187,625 km (0.077 R)
• M47: 15,260,479 km (0.096 R)
• M48: 15,516,740 km (0.113 R)
• M49: 15,922,150 km (0.074 R)
• M50: 16,070,551 km (0.042 R)
• M51: 16,856,688 km (0.092 R)
• M52: 17,770,432 km (0.059 R)
• M53: 18,040,007 km (0.093 R)
• M54: 18,622,242 km (0.061 R)
• M55: 20,244,781 km (0.116 R)
• M56: 20,728,131 km (0.067 R)
• M57: 21,706,352 km (0.099 R)
• M58: 22,077,055 km (0.061 R)
• M59: 23,369,880 km (0.063 R)
• M60: 23,538,477 km (0.077 R)
• M61: 23,834,531 km (0.086 R)
• M62: 23,961,839 km (0.044 R)
• M63: 24,302,174 km (0.051 R)
• M64: 24,430,379 km (0.103 R)
• M65: 25,419,670 km (0.064 R)
• M66: 26,246,946 km (0.105 R)
• M67: 26,641,885 km (0.092 R)
• M68: 26,950,356 km (0.045 R)
• M69: 27,570,888 km (0.117 R)
• M70: 27,882,949 km (0.101 R)
• M71: 27,972,408 km (0.113 R)
• M72: 28,106,598 km (0.087 R)
• M73: 28,465,632 km (0.115 R)
• M74: 29,052,355 km (0.066 R)
• M75: 29,278,996 km (0.087 R)
• M76: 29,369,802 km (0.083 R)
• M77: 29,825,477 km (0.045 R)
• M78: 29,916,881 km (0.11 R)
• M79: 30,054,212 km (0.09 R)
• M80: 30,329,472 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.1

Radius: 14.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.72 AU - 10.28 AU

Year: 8792 Days

Day: 14.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 46,384,222 km

• M1: 184,454 km (0.033 R)
• M2: 320,887 km (0.071 R)
• M3: 495,917 km (0.073 R)
• M4: 876,494 km (0.068 R)
• M5: 1,054,366 km (0.062 R)
• M6: 1,167,611 km (0.085 R)
• M7: 1,619,547 km (0.12 R)
• M8: 1,958,685 km (0.077 R)
• M9: 2,497,686 km (0.049 R)
• M10: 2,626,639 km (0.117 R)
• M11: 2,811,094 km (0.087 R)
• M12: 3,621,016 km (0.107 R)
• M13: 4,006,829 km (0.096 R)
• M14: 5,243,555 km (0.067 R)
• M15: 5,921,233 km (0.05 R)
• M16: 6,235,239 km (0.109 R)
• M17: 6,412,064 km (0.036 R)
• M18: 6,989,362 km (0.092 R)
• M19: 7,136,267 km (0.104 R)
• M20: 7,545,717 km (0.081 R)
• M21: 8,819,991 km (0.067 R)
• M22: 10,035,923 km (0.042 R)
• M23: 10,160,388 km (0.11 R)
• M24: 10,369,077 km (0.106 R)
• M25: 10,875,616 km (0.098 R)
• M26: 11,563,616 km (0.079 R)
• M27: 13,072,311 km (0.115 R)
• M28: 13,162,967 km (0.074 R)
• M29: 13,390,655 km (0.101 R)
• M30: 13,573,763 km (0.076 R)
• M31: 13,665,466 km (0.111 R)
• M32: 13,895,997 km (0.026 R)
• M33: 14,081,348 km (0.084 R)
• M34: 14,407,771 km (0.106 R)
• M35: 14,689,464 km (0.044 R)
• M36: 15,163,091 km (0.08 R)
• M37: 15,545,612 km (0.045 R)
• M38: 15,834,635 km (0.105 R)
• M39: 15,979,745 km (0.05 R)
• M40: 16,174,073 km (0.114 R)
• M41: 16,466,836 km (0.06 R)
• M42: 17,008,380 km (0.09 R)
• M43: 17,256,414 km (0.069 R)
• M44: 17,405,862 km (0.052 R)
• M45: 17,655,840 km (0.074 R)
• M46: 18,362,241 km (0.094 R)
• M47: 19,180,841 km (0.096 R)
• M48: 20,273,354 km (0.086 R)
• M49: 20,378,521 km (0.068 R)
• M50: 20,589,305 km (0.085 R)
• M51: 21,386,063 km (0.088 R)
• M52: 21,815,259 km (0.08 R)
• M53: 22,572,972 km (0.12 R)
• M54: 22,845,839 km (0.098 R)
• M55: 23,174,505 km (0.07 R)
• M56: 23,836,775 km (0.097 R)
• M57: 24,505,178 km (0.048 R)
• M58: 26,489,893 km (0.111 R)
• M59: 27,182,232 km (0.042 R)
• M60: 28,939,110 km (0.095 R)
• M61: 29,354,244 km (0.108 R)
• M62: 30,491,188 km (0.113 R)
• M63: 30,853,214 km (0.106 R)
• M64: 31,520,720 km (0.042 R)
• M65: 32,377,168 km (0.084 R)
• M66: 32,808,159 km (0.094 R)
• M67: 33,613,744 km (0.044 R)
• M68: 33,738,359 km (0.045 R)
• M69: 35,371,070 km (0.103 R)
• M70: 35,878,506 km (0.118 R)
• M71: 36,069,543 km (0.102 R)
• M72: 36,324,607 km (0.115 R)
• M73: 37,286,820 km (0.115 R)
• M74: 38,062,485 km (0.106 R)
• M75: 38,322,187 km (0.062 R)
• M76: 38,517,413 km (0.115 R)
• M77: 38,647,712 km (0.117 R)
• M78: 38,843,536 km (0.093 R)
• M79: 39,564,149 km (0.042 R)
• M80: 40,554,038 km (0.119 R)
• M81: 40,819,275 km (0.101 R)
• M82: 42,625,370 km (0.119 R)
• M83: 42,760,158 km (0.107 R)
• M84: 42,895,095 km (0.113 R)
• M85: 43,979,829 km (0.078 R)
• M86: 45,555,095 km (0.094 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 14,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit