🌌 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: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.45 AU - 0.69 AU

Year: 278 Days

Day: 33.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 5.7 °

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: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.47 AU - 0.69 AU

Year: 285 Days

Day: 15.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,429,221 km

• M1: 505,192 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.3

Radius: 10.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.68 AU - 0.86 AU

Year: 436 Days

Day: 7 Hours

Environment

Temp: -137 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,429,221 km

• M1: 128,804 km (0.097 R)
• M2: 193,580 km (0.071 R)
• M3: 261,796 km (0.107 R)
• M4: 336,745 km (0.079 R)
• M5: 419,323 km (0.095 R)
• M6: 484,847 km (0.063 R)
• M7: 570,566 km (0.115 R)
• M8: 635,043 km (0.076 R)
• M9: 716,574 km (0.056 R)
• M10: 820,544 km (0.117 R)
• M11: 922,271 km (0.087 R)
• M12: 1,030,580 km (0.097 R)
• M13: 1,120,189 km (0.097 R)
• M14: 1,245,253 km (0.112 R)
• M15: 1,336,507 km (0.117 R)
• M16: 1,425,668 km (0.044 R)
• M17: 1,617,303 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 11.5

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.76 AU - 0.96 AU

Year: 515 Days

Day: 12 Hours

Environment

Temp: -144 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 71,429,221 km

• M1: 145,559 km (0.11 R)
• M2: 219,610 km (0.111 R)
• M3: 292,613 km (0.12 R)
• M4: 376,687 km (0.082 R)
• M5: 460,911 km (0.07 R)
• M6: 532,718 km (0.112 R)
• M7: 613,351 km (0.066 R)
• M8: 784,491 km (0.111 R)
• M9: 925,263 km (0.052 R)
• M10: 1,042,248 km (0.036 R)
• M11: 1,175,989 km (0.073 R)
• M12: 1,291,927 km (0.096 R)
• M13: 1,412,054 km (0.085 R)
• M14: 1,548,488 km (0.073 R)
• M15: 1,735,485 km (0.071 R)
• M16: 1,835,267 km (0.071 R)
• M17: 1,992,045 km (0.064 R)
• M18: 2,275,533 km (0.085 R)
• M19: 2,451,909 km (0.106 R)
• M20: 2,617,664 km (0.102 R)
• M21: 2,709,666 km (0.097 R)
• M22: 2,787,308 km (0.081 R)
• M23: 2,865,547 km (0.034 R)
• M24: 3,032,498 km (0.083 R)
• M25: 3,137,367 km (0.106 R)
• M26: 3,268,265 km (0.038 R)
• M27: 3,384,353 km (0.112 R)
• M28: 3,586,609 km (0.078 R)
• M29: 3,672,029 km (0.113 R)
• M30: 3,844,964 km (0.114 R)
• M31: 3,994,114 km (0.059 R)
• M32: 4,217,014 km (0.118 R)
• M33: 4,389,202 km (0.089 R)
• M34: 4,480,905 km (0.093 R)
• M35: 4,684,657 km (0.062 R)
• M36: 4,815,855 km (0.058 R)
• M37: 4,891,402 km (0.114 R)
• M38: 5,005,545 km (0.116 R)
• M39: 5,091,713 km (0.046 R)
• M40: 5,353,210 km (0.116 R)
• M41: 5,669,011 km (0.107 R)
• M42: 5,829,081 km (0.049 R)
• M43: 5,970,451 km (0.12 R)
• M44: 6,102,845 km (0.085 R)
• M45: 6,225,815 km (0.106 R)
• M46: 6,298,070 km (0.069 R)
• M47: 7,013,447 km (0.117 R)
• M48: 7,088,546 km (0.085 R)
• M49: 7,402,701 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898

Radius: 5

Gravity: 35.92 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.43 AU - 8.49 AU

Year: 15888 Days

Day: 15.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 71,429,221 km

• M1: 113,246 km (0.07 R)
• M2: 295,007 km (0.11 R)
• M3: 327,470 km (0.106 R)
• M4: 451,636 km (0.115 R)
• M5: 654,640 km (0.042 R)
• M6: 957,726 km (0.104 R)
• M7: 1,557,463 km (0.113 R)
• M8: 1,616,854 km (0.112 R)
• M9: 2,218,237 km (0.049 R)
• M10: 2,319,066 km (0.056 R)
• M11: 2,701,438 km (0.079 R)
• M12: 3,066,008 km (0.049 R)
• M13: 4,125,610 km (0.053 R)
• M14: 4,333,252 km (0.034 R)
• M15: 4,544,335 km (0.06 R)
• M16: 4,586,970 km (0.074 R)
• M17: 4,758,708 km (0.12 R)
• M18: 4,932,691 km (0.108 R)
• M19: 5,833,270 km (0.11 R)
• M20: 6,349,981 km (0.087 R)
• M21: 6,541,466 km (0.098 R)
• M22: 6,686,277 km (0.118 R)
• M23: 6,734,896 km (0.115 R)
• M24: 7,176,808 km (0.055 R)
• M25: 7,376,372 km (0.104 R)
• M26: 7,476,752 km (0.091 R)
• M27: 8,983,053 km (0.076 R)
• M28: 9,306,184 km (0.118 R)
• M29: 9,687,809 km (0.073 R)
• M30: 10,523,013 km (0.065 R)
• M31: 10,636,109 km (0.046 R)
• M32: 11,730,418 km (0.067 R)
• M33: 12,380,121 km (0.031 R)
• M34: 12,679,467 km (0.098 R)
• M35: 12,981,056 km (0.045 R)
• M36: 13,346,075 km (0.08 R)
• M37: 15,477,396 km (0.069 R)
• M38: 16,779,795 km (0.064 R)
• M39: 17,444,009 km (0.074 R)
• M40: 17,846,577 km (0.053 R)
• M41: 18,116,751 km (0.041 R)
• M42: 18,320,204 km (0.115 R)
• M43: 18,935,350 km (0.103 R)
• M44: 19,004,016 km (0.086 R)
• M45: 19,557,079 km (0.073 R)
• M46: 19,975,355 km (0.104 R)
• M47: 20,820,583 km (0.102 R)
• M48: 22,255,226 km (0.086 R)
• M49: 23,573,333 km (0.041 R)
• M50: 24,241,886 km (0.105 R)
• M51: 24,316,685 km (0.113 R)
• M52: 25,445,850 km (0.119 R)
• M53: 25,521,696 km (0.087 R)
• M54: 25,673,687 km (0.054 R)
• M55: 27,911,223 km (0.112 R)
• M56: 28,460,546 km (0.051 R)
• M57: 31,423,182 km (0.096 R)
• M58: 32,322,714 km (0.097 R)
• M59: 33,646,057 km (0.09 R)
• M60: 34,818,456 km (0.114 R)
• M61: 35,409,666 km (0.119 R)
• M62: 38,676,585 km (0.073 R)
• M63: 39,992,448 km (0.101 R)
• M64: 43,028,836 km (0.119 R)
• M65: 43,754,086 km (0.067 R)
• M66: 43,845,042 km (0.085 R)
• M67: 44,391,822 km (0.083 R)
• M68: 44,574,630 km (0.064 R)
• M69: 46,787,781 km (0.063 R)
• M70: 46,973,731 km (0.1 R)
• M71: 47,346,529 km (0.079 R)
• M72: 47,720,374 km (0.096 R)
• M73: 48,001,319 km (0.072 R)
• M74: 48,470,907 km (0.107 R)
• M75: 48,565,004 km (0.112 R)
• M76: 48,847,594 km (0.03 R)
• M77: 49,130,783 km (0.082 R)
• M78: 52,474,595 km (0.03 R)
• M79: 53,443,391 km (0.11 R)
• M80: 53,540,629 km (0.09 R)
• M81: 53,930,032 km (0.098 R)
• M82: 55,693,941 km (0.116 R)
• M83: 57,576,331 km (0.093 R)
• M84: 58,876,187 km (0.113 R)
• M85: 59,378,686 km (0.06 R)
• M86: 59,681,023 km (0.112 R)
• M87: 59,882,681 km (0.115 R)
• M88: 64,999,826 km (0.095 R)
• M89: 65,415,110 km (0.028 R)
• M90: 68,241,911 km (0.106 R)
• M91: 68,664,076 km (0.096 R)
• M92: 69,723,229 km (0.097 R)
• M93: 69,935,808 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 13,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit