🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.55 AU - 0.55 AU

Year: 154 Days

Day: 12.8 Hours

Environment

Temp: 153 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,292,227 km

• M1: 92,302 km (0.026 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.52 AU - 0.72 AU

Year: 185 Days

Day: 44.5 Hours

Environment

Temp: 137 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.75 AU - 1.17 AU

Year: 356 Days

Day: 35.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.56 AU - 3.02 AU

Year: 1765 Days

Day: 25.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966

Radius: 14.1

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.65 AU - 4.95 AU

Year: 3983 Days

Day: 7.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,292,227 km

• M1: 176,376 km (0.045 R)
• M2: 654,939 km (0.045 R)
• M3: 1,096,702 km (0.099 R)
• M4: 1,616,704 km (0.097 R)
• M5: 2,333,577 km (0.081 R)
• M6: 2,775,938 km (0.12 R)
• M7: 3,726,034 km (0.107 R)
• M8: 5,447,606 km (0.088 R)
• M9: 7,686,488 km (0.077 R)
• M10: 8,265,881 km (0.037 R)
• M11: 8,758,058 km (0.074 R)
• M12: 10,011,239 km (0.074 R)
• M13: 10,571,034 km (0.085 R)
• M14: 11,151,773 km (0.11 R)
• M15: 12,672,436 km (0.087 R)
• M16: 18,571,977 km (0.107 R)
• M17: 19,751,556 km (0.061 R)
• M18: 20,359,672 km (0.096 R)
• M19: 22,332,120 km (0.117 R)
• M20: 24,121,759 km (0.104 R)
• M21: 24,816,940 km (0.114 R)
• M22: 25,684,758 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.1

Radius: 11.4

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.63 AU - 11.81 AU

Year: 12374 Days

Day: 7.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,292,227 km

• M1: 141,819 km (0.062 R)
• M2: 526,585 km (0.04 R)
• M3: 1,212,042 km (0.087 R)
• M4: 1,595,162 km (0.112 R)
• M5: 2,636,513 km (0.097 R)
• M6: 4,648,305 km (0.105 R)
• M7: 5,399,885 km (0.077 R)
• M8: 5,895,802 km (0.119 R)
• M9: 6,499,728 km (0.11 R)
• M10: 7,020,329 km (0.076 R)
• M11: 8,099,977 km (0.092 R)
• M12: 10,317,765 km (0.102 R)
• M13: 13,163,266 km (0.054 R)
• M14: 16,789,967 km (0.026 R)
• M15: 17,238,462 km (0.086 R)
• M16: 18,081,745 km (0.081 R)
• M17: 19,850,291 km (0.112 R)
• M18: 21,643,521 km (0.071 R)
• M19: 22,354,260 km (0.08 R)
• M20: 22,715,539 km (0.083 R)
• M21: 23,728,915 km (0.115 R)
• M22: 32,025,015 km (0.074 R)
• M23: 32,599,770 km (0.057 R)
• M24: 37,448,985 km (0.083 R)
• M25: 38,215,524 km (0.071 R)
• M26: 40,177,650 km (0.067 R)
• M27: 40,980,990 km (0.105 R)
• M28: 43,175,741 km (0.095 R)
• M29: 45,303,471 km (0.072 R)
• M30: 45,882,415 km (0.094 R)
• M31: 50,538,200 km (0.062 R)
• M32: 51,474,383 km (0.027 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723

Radius: 5.3

Gravity: 25.74 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 11.36 AU - 14.1 AU

Year: 17202 Days

Day: 19.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,292,227 km

• M1: 154,086 km (0.062 R)
• M2: 391,946 km (0.064 R)
• M3: 651,499 km (0.093 R)
• M4: 884,722 km (0.041 R)
• M5: 1,862,942 km (0.079 R)
• M6: 2,131,171 km (0.098 R)
• M7: 2,316,972 km (0.104 R)
• M8: 3,469,773 km (0.07 R)
• M9: 3,669,486 km (0.105 R)
• M10: 5,069,124 km (0.118 R)
• M11: 7,520,734 km (0.047 R)
• M12: 8,200,955 km (0.073 R)
• M13: 9,242,755 km (0.079 R)
• M14: 12,359,178 km (0.061 R)
• M15: 13,097,892 km (0.11 R)
• M16: 15,185,979 km (0.09 R)
• M17: 16,348,654 km (0.052 R)
• M18: 18,675,349 km (0.077 R)
• M19: 18,937,146 km (0.032 R)
• M20: 19,646,838 km (0.117 R)
• M21: 23,565,255 km (0.106 R)
• M22: 23,870,883 km (0.059 R)
• M23: 25,225,941 km (0.107 R)
• M24: 25,976,324 km (0.078 R)
• M25: 26,962,922 km (0.047 R)
• M26: 31,282,261 km (0.104 R)
• M27: 35,638,102 km (0.087 R)
• M28: 35,906,182 km (0.07 R)
• M29: 36,855,231 km (0.091 R)
• M30: 49,580,624 km (0.092 R)
• M31: 51,266,592 km (0.039 R)
• M32: 51,951,601 km (0.06 R)
• M33: 56,371,320 km (0.105 R)
• M34: 58,952,631 km (0.049 R)
• M35: 66,354,136 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.4

Radius: 6.4

Gravity: 15.59 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 12.26 AU - 16.66 AU

Year: 20826 Days

Day: 23.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,292,227 km

• M1: 79,586 km (0.103 R)
• M2: 352,752 km (0.118 R)
• M3: 891,753 km (0.114 R)
• M4: 2,396,109 km (0.09 R)
• M5: 3,211,717 km (0.073 R)
• M6: 4,231,974 km (0.089 R)
• M7: 4,500,502 km (0.066 R)
• M8: 8,409,943 km (0.091 R)
• M9: 8,620,876 km (0.074 R)
• M10: 10,866,490 km (0.1 R)
• M11: 15,349,938 km (0.116 R)
• M12: 16,065,615 km (0.103 R)
• M13: 18,701,379 km (0.088 R)
• M14: 19,425,732 km (0.067 R)
• M15: 19,794,790 km (0.084 R)
• M16: 24,488,573 km (0.102 R)
• M17: 25,795,909 km (0.107 R)
• M18: 27,843,305 km (0.095 R)
• M19: 28,667,889 km (0.114 R)
• M20: 33,167,494 km (0.091 R)
• M21: 38,260,254 km (0.076 R)
• M22: 46,921,971 km (0.063 R)
• M23: 50,306,922 km (0.108 R)
• M24: 59,280,550 km (0.03 R)
• M25: 66,305,367 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608

Radius: 3.8

Gravity: 42.11 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 14.73 AU - 16.95 AU

Year: 23877 Days

Day: 15.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,292,227 km

• M1: 47,273 km (0.074 R)
• M2: 324,777 km (0.104 R)
• M3: 480,508 km (0.079 R)
• M4: 787,334 km (0.042 R)
• M5: 1,022,053 km (0.087 R)
• M6: 2,818,723 km (0.084 R)
• M7: 3,139,311 km (0.094 R)
• M8: 3,483,536 km (0.088 R)
• M9: 3,789,314 km (0.114 R)
• M10: 4,145,955 km (0.103 R)
• M11: 5,310,874 km (0.115 R)
• M12: 7,442,344 km (0.118 R)
• M13: 7,743,485 km (0.059 R)
• M14: 8,370,001 km (0.099 R)
• M15: 8,861,579 km (0.059 R)
• M16: 10,765,811 km (0.12 R)
• M17: 11,544,916 km (0.058 R)
• M18: 12,361,122 km (0.102 R)
• M19: 16,094,188 km (0.075 R)
• M20: 21,708,446 km (0.103 R)
• M21: 24,562,624 km (0.078 R)
• M22: 28,378,417 km (0.042 R)
• M23: 29,858,389 km (0.074 R)
• M24: 34,467,499 km (0.112 R)
• M25: 36,150,774 km (0.119 R)
• M26: 36,723,884 km (0.068 R)
• M27: 38,777,264 km (0.063 R)
• M28: 40,136,959 km (0.106 R)
• M29: 42,951,194 km (0.116 R)
• M30: 46,565,778 km (0.112 R)
• M31: 50,734,472 km (0.04 R)
• M32: 56,862,599 km (0.098 R)
• M33: 58,615,737 km (0.108 R)
• M34: 59,804,142 km (0.119 R)
• M35: 61,616,969 km (0.033 R)
• M36: 71,681,316 km (0.058 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 14,265 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit