🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.56 AU - 0.58 AU

Year: 278 Days

Day: 16.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.51 AU - 0.81 AU

Year: 346 Days

Day: 20.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.7

Radius: 10.9

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.76 AU - 0.84 AU

Year: 462 Days

Day: 6.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 57,425,936 km

• M1: 155,133 km (0.066 R)
• M2: 243,845 km (0.093 R)
• M3: 331,658 km (0.098 R)
• M4: 410,347 km (0.103 R)
• M5: 511,026 km (0.096 R)
• M6: 599,588 km (0.116 R)
• M7: 765,792 km (0.118 R)
• M8: 848,519 km (0.091 R)
• M9: 943,514 km (0.053 R)
• M10: 1,056,161 km (0.099 R)
• M11: 1,202,617 km (0.079 R)
• M12: 1,290,730 km (0.079 R)
• M13: 1,463,666 km (0.101 R)
• M14: 1,552,975 km (0.056 R)
• M15: 1,726,509 km (0.08 R)
• M16: 1,804,450 km (0.093 R)
• M17: 1,889,421 km (0.118 R)
• M18: 1,998,927 km (0.096 R)
• M19: 2,081,056 km (0.074 R)
• M20: 2,279,124 km (0.075 R)
• M21: 2,383,692 km (0.083 R)
• M22: 2,527,755 km (0.082 R)
• M23: 2,649,079 km (0.111 R)
• M24: 2,746,168 km (0.066 R)
• M25: 2,824,707 km (0.082 R)
• M26: 3,201,544 km (0.079 R)
• M27: 3,291,303 km (0.084 R)
• M28: 3,431,177 km (0.116 R)
• M29: 3,659,014 km (0.099 R)
• M30: 3,753,111 km (0.116 R)
• M31: 3,840,626 km (0.077 R)
• M32: 4,069,810 km (0.076 R)
• M33: 4,159,868 km (0.08 R)
• M34: 4,418,373 km (0.094 R)
• M35: 4,495,566 km (0.039 R)
• M36: 4,792,517 km (0.082 R)
• M37: 4,863,876 km (0.095 R)
• M38: 4,951,540 km (0.067 R)
• M39: 5,112,208 km (0.101 R)
• M40: 5,185,062 km (0.075 R)
• M41: 5,274,671 km (0.113 R)
• M42: 5,496,675 km (0.119 R)
• M43: 5,588,079 km (0.04 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.1

Radius: 4.5

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.88 AU - 11.84 AU

Year: 21531 Days

Day: 17.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 57,425,936 km

• M1: 61,036 km (0.107 R)
• M2: 96,939 km (0.059 R)
• M3: 206,146 km (0.096 R)
• M4: 354,098 km (0.099 R)
• M5: 775,815 km (0.089 R)
• M6: 836,701 km (0.084 R)
• M7: 920,326 km (0.056 R)
• M8: 1,028,785 km (0.071 R)
• M9: 1,095,804 km (0.041 R)
• M10: 1,187,508 km (0.094 R)
• M11: 1,502,860 km (0.049 R)
• M12: 2,007,903 km (0.101 R)
• M13: 2,148,973 km (0.045 R)
• M14: 2,177,547 km (0.079 R)
• M15: 2,351,978 km (0.052 R)
• M16: 2,901,600 km (0.084 R)
• M17: 3,029,058 km (0.074 R)
• M18: 3,693,272 km (0.082 R)
• M19: 4,732,529 km (0.112 R)
• M20: 5,419,931 km (0.086 R)
• M21: 5,895,353 km (0.114 R)
• M22: 5,935,595 km (0.073 R)
• M23: 6,097,460 km (0.119 R)
• M24: 6,591,581 km (0.102 R)
• M25: 6,970,662 km (0.12 R)
• M26: 7,098,569 km (0.112 R)
• M27: 7,617,972 km (0.096 R)
• M28: 7,749,618 km (0.045 R)
• M29: 8,194,373 km (0.118 R)
• M30: 8,239,252 km (0.097 R)
• M31: 8,465,145 km (0.113 R)
• M32: 9,015,366 km (0.081 R)
• M33: 9,862,389 km (0.119 R)
• M34: 10,295,325 km (0.05 R)
• M35: 11,429,726 km (0.04 R)
• M36: 12,037,093 km (0.047 R)
• M37: 12,499,500 km (0.11 R)
• M38: 12,551,261 km (0.082 R)
• M39: 13,125,119 km (0.108 R)
• M40: 14,842,502 km (0.089 R)
• M41: 15,117,164 km (0.099 R)
• M42: 15,895,223 km (0.082 R)
• M43: 15,951,172 km (0.117 R)
• M44: 16,007,421 km (0.072 R)
• M45: 17,258,807 km (0.07 R)
• M46: 17,431,892 km (0.097 R)
• M47: 17,954,587 km (0.097 R)
• M48: 19,733,904 km (0.088 R)
• M49: 20,644,357 km (0.096 R)
• M50: 21,506,339 km (0.038 R)
• M51: 21,630,506 km (0.087 R)
• M52: 24,420,506 km (0.117 R)
• M53: 25,004,985 km (0.117 R)
• M54: 28,470,868 km (0.073 R)
• M55: 28,607,152 km (0.077 R)
• M56: 28,675,369 km (0.091 R)
• M57: 28,880,318 km (0.056 R)
• M58: 29,085,865 km (0.078 R)
• M59: 29,291,861 km (0.027 R)
• M60: 29,498,307 km (0.056 R)
• M61: 29,981,807 km (0.052 R)
• M62: 30,468,150 km (0.062 R)
• M63: 30,537,713 km (0.11 R)
• M64: 31,026,898 km (0.101 R)
• M65: 31,730,307 km (0.076 R)
• M66: 32,438,802 km (0.084 R)
• M67: 32,510,011 km (0.066 R)
• M68: 32,581,219 km (0.06 R)
• M69: 32,652,428 km (0.118 R)
• M70: 33,224,341 km (0.098 R)
• M71: 33,583,376 km (0.11 R)
• M72: 33,727,438 km (0.091 R)
• M73: 35,985,469 km (0.111 R)
• M74: 37,766,880 km (0.104 R)
• M75: 38,592,959 km (0.111 R)
• M76: 38,894,848 km (0.082 R)
• M77: 39,046,091 km (0.093 R)
• M78: 39,957,442 km (0.084 R)
• M79: 40,262,771 km (0.068 R)
• M80: 41,106,503 km (0.114 R)
• M81: 41,183,546 km (0.063 R)
• M82: 41,260,589 km (0.107 R)
• M83: 41,646,551 km (0.04 R)
• M84: 42,111,202 km (0.032 R)
• M85: 45,730,573 km (0.065 R)
• M86: 46,851,660 km (0.043 R)
• M87: 47,738,925 km (0.061 R)
• M88: 47,819,857 km (0.075 R)
• M89: 50,268,924 km (0.113 R)
• M90: 51,508,791 km (0.107 R)
• M91: 52,758,531 km (0.053 R)
• M92: 54,187,042 km (0.115 R)
• M93: 54,355,938 km (0.111 R)
• M94: 55,883,930 km (0.119 R)
• M95: 56,139,892 km (0.096 R)
• M96: 56,910,321 km (0.072 R)
• M97: 57,253,947 km (0.066 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 18,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit