🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.57 AU - 0.59 AU

Year: 168 Days

Day: 42 Hours

Environment

Temp: 188 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.76 AU - 0.92 AU

Year: 293 Days

Day: 44.9 Hours

Environment

Temp: 28 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.26 AU - 1.6 AU

Year: 651 Days

Day: 18.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.71 AU - 1.95 AU

Year: 943 Days

Day: 41.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,665,080 km

• M1: 1,537,717 km (0.07 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.49 AU - 2.81 AU

Year: 1643 Days

Day: 12.9 Hours

Environment

Temp: -102 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,665,080 km

• M1: 1,070,672 km (0.089 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.42 AU - 3.16 AU

Year: 1775 Days

Day: 15.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,665,080 km

• M1: 1,306,887 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.5

Radius: 13.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.15 AU - 6.75 AU

Year: 4845 Days

Day: 7.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 19,665,080 km

• M1: 166,203 km (0.099 R)
• M2: 392,994 km (0.119 R)
• M3: 519,105 km (0.092 R)
• M4: 606,919 km (0.084 R)
• M5: 770,279 km (0.099 R)
• M6: 863,479 km (0.084 R)
• M7: 1,120,937 km (0.059 R)
• M8: 1,416,692 km (0.096 R)
• M9: 1,534,276 km (0.104 R)
• M10: 1,779,616 km (0.069 R)
• M11: 1,893,011 km (0.074 R)
• M12: 2,402,392 km (0.097 R)
• M13: 3,123,454 km (0.063 R)
• M14: 3,209,622 km (0.118 R)
• M15: 3,331,545 km (0.056 R)
• M16: 4,323,977 km (0.11 R)
• M17: 4,615,244 km (0.11 R)
• M18: 4,832,909 km (0.061 R)
• M19: 4,953,185 km (0.106 R)
• M20: 5,950,854 km (0.085 R)
• M21: 6,231,649 km (0.081 R)
• M22: 6,716,944 km (0.065 R)
• M23: 6,918,902 km (0.105 R)
• M24: 7,054,886 km (0.049 R)
• M25: 7,168,730 km (0.114 R)
• M26: 7,352,287 km (0.096 R)
• M27: 7,444,588 km (0.11 R)
• M28: 7,607,201 km (0.082 R)
• M29: 7,794,348 km (0.068 R)
• M30: 8,173,429 km (0.085 R)
• M31: 8,876,090 km (0.097 R)
• M32: 9,048,577 km (0.115 R)
• M33: 10,312,978 km (0.112 R)
• M34: 11,151,175 km (0.076 R)
• M35: 11,794,296 km (0.1 R)
• M36: 11,929,682 km (0.049 R)
• M37: 12,093,043 km (0.091 R)
• M38: 12,339,431 km (0.082 R)
• M39: 12,449,385 km (0.034 R)
• M40: 12,836,993 km (0.108 R)
• M41: 13,004,393 km (0.098 R)
• M42: 13,144,417 km (0.105 R)
• M43: 13,425,960 km (0.069 R)
• M44: 13,510,782 km (0.119 R)
• M45: 13,652,601 km (0.089 R)
• M46: 14,282,558 km (0.113 R)
• M47: 14,485,113 km (0.093 R)
• M48: 14,572,179 km (0.031 R)
• M49: 14,863,596 km (0.107 R)
• M50: 15,098,165 km (0.108 R)
• M51: 15,779,434 km (0.093 R)
• M52: 16,018,641 km (0.087 R)
• M53: 16,379,920 km (0.083 R)
• M54: 16,500,944 km (0.099 R)
• M55: 16,988,035 km (0.079 R)
• M56: 17,851,664 km (0.067 R)
• M57: 18,226,257 km (0.099 R)
• M58: 18,445,866 km (0.118 R)
• M59: 18,983,072 km (0.083 R)
• M60: 19,142,095 km (0.11 R)
• M61: 19,397,458 km (0.097 R)
• M62: 19,782,523 km (0.082 R)
• M63: 19,911,477 km (0.112 R)
• M64: 20,658,269 km (0.036 R)
• M65: 20,854,542 km (0.06 R)
• M66: 21,348,065 km (0.074 R)
• M67: 21,845,478 km (0.056 R)
• M68: 21,978,770 km (0.111 R)
• M69: 22,112,360 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.1

Radius: 9.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.08 AU - 9.46 AU

Year: 8248 Days

Day: 5.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 19,665,080 km

• M1: 123,867 km (0.096 R)
• M2: 286,630 km (0.104 R)
• M3: 377,435 km (0.109 R)
• M4: 769,681 km (0.105 R)
• M5: 906,862 km (0.029 R)
• M6: 984,204 km (0.107 R)
• M7: 1,230,592 km (0.092 R)
• M8: 1,329,775 km (0.067 R)
• M9: 2,098,110 km (0.114 R)
• M10: 2,339,711 km (0.102 R)
• M11: 2,670,771 km (0.082 R)
• M12: 2,784,465 km (0.11 R)
• M13: 2,850,139 km (0.108 R)
• M14: 3,342,316 km (0.063 R)
• M15: 3,412,178 km (0.108 R)
• M16: 3,751,466 km (0.051 R)
• M17: 3,934,274 km (0.047 R)
• M18: 4,558,846 km (0.076 R)
• M19: 5,315,960 km (0.071 R)
• M20: 5,563,246 km (0.081 R)
• M21: 5,688,309 km (0.027 R)
• M22: 5,983,765 km (0.065 R)
• M23: 6,069,036 km (0.106 R)
• M24: 6,154,905 km (0.04 R)
• M25: 6,414,607 km (0.062 R)
• M26: 6,480,131 km (0.082 R)
• M27: 6,855,472 km (0.111 R)
• M28: 6,989,661 km (0.102 R)
• M29: 7,627,397 km (0.114 R)
• M30: 7,953,371 km (0.065 R)
• M31: 8,691,187 km (0.046 R)
• M32: 9,105,125 km (0.063 R)
• M33: 9,475,828 km (0.104 R)
• M34: 9,851,469 km (0.105 R)
• M35: 10,902,842 km (0.074 R)
• M36: 10,981,082 km (0.062 R)
• M37: 11,059,621 km (0.075 R)
• M38: 11,164,639 km (0.081 R)
• M39: 11,774,848 km (0.084 R)
• M40: 11,855,182 km (0.095 R)
• M41: 13,585,132 km (0.09 R)
• M42: 13,951,946 km (0.111 R)
• M43: 14,037,067 km (0.089 R)
• M44: 14,781,766 km (0.101 R)
• M45: 16,699,461 km (0.069 R)
• M46: 17,305,182 km (0.076 R)
• M47: 17,549,476 km (0.047 R)
• M48: 17,641,329 km (0.046 R)
• M49: 19,639,956 km (0.083 R)
• M50: 19,767,115 km (0.072 R)
• M51: 20,633,436 km (0.117 R)
• M52: 20,698,212 km (0.09 R)
• M53: 20,795,301 km (0.114 R)
• M54: 20,892,539 km (0.098 R)
• M55: 21,055,003 km (0.068 R)
• M56: 21,217,915 km (0.114 R)
• M57: 21,315,901 km (0.046 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.9

Radius: 9.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.43 AU - 10.43 AU

Year: 11027 Days

Day: 10.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 19,665,080 km

• M1: 208,539 km (0.114 R)
• M2: 353,649 km (0.086 R)
• M3: 614,698 km (0.052 R)
• M4: 758,461 km (0.093 R)
• M5: 864,227 km (0.079 R)
• M6: 1,037,910 km (0.119 R)
• M7: 1,145,620 km (0.107 R)
• M8: 1,909,318 km (0.098 R)
• M9: 2,277,628 km (0.114 R)
• M10: 2,477,341 km (0.085 R)
• M11: 2,579,516 km (0.1 R)
• M12: 2,653,268 km (0.025 R)
• M13: 2,742,727 km (0.112 R)
• M14: 2,940,197 km (0.099 R)
• M15: 3,032,947 km (0.096 R)
• M16: 3,349,197 km (0.1 R)
• M17: 3,413,823 km (0.064 R)
• M18: 3,692,823 km (0.081 R)
• M19: 3,759,544 km (0.1 R)
• M20: 3,877,278 km (0.074 R)
• M21: 4,013,412 km (0.08 R)
• M22: 4,238,108 km (0.111 R)
• M23: 4,609,709 km (0.11 R)
• M24: 4,735,969 km (0.118 R)
• M25: 4,955,130 km (0.107 R)
• M26: 5,065,982 km (0.059 R)
• M27: 5,158,883 km (0.041 R)
• M28: 5,233,682 km (0.067 R)
• M29: 5,498,470 km (0.085 R)
• M30: 5,728,850 km (0.067 R)
• M31: 5,825,790 km (0.115 R)
• M32: 6,338,761 km (0.1 R)
• M33: 6,418,945 km (0.12 R)
• M34: 6,845,748 km (0.085 R)
• M35: 7,769,515 km (0.077 R)
• M36: 7,963,244 km (0.101 R)
• M37: 8,202,302 km (0.118 R)
• M38: 8,465,744 km (0.098 R)
• M39: 8,754,467 km (0.091 R)
• M40: 9,046,183 km (0.106 R)
• M41: 9,136,690 km (0.064 R)
• M42: 9,478,521 km (0.059 R)
• M43: 10,174,899 km (0.045 R)
• M44: 10,245,509 km (0.077 R)
• M45: 10,410,665 km (0.105 R)
• M46: 10,887,733 km (0.087 R)
• M47: 10,959,989 km (0.05 R)
• M48: 11,715,009 km (0.041 R)
• M49: 12,111,444 km (0.116 R)
• M50: 12,361,272 km (0.108 R)
• M51: 12,461,802 km (0.057 R)
• M52: 13,352,358 km (0.118 R)
• M53: 13,429,700 km (0.112 R)
• M54: 13,558,803 km (0.111 R)
• M55: 13,714,385 km (0.097 R)
• M56: 13,792,325 km (0.08 R)
• M57: 13,922,775 km (0.083 R)
• M58: 14,027,194 km (0.098 R)
• M59: 14,500,970 km (0.11 R)
• M60: 14,793,135 km (0.074 R)
• M61: 15,302,217 km (0.039 R)
• M62: 15,762,529 km (0.053 R)
• M63: 17,367,415 km (0.112 R)
• M64: 17,508,187 km (0.087 R)
• M65: 17,649,407 km (0.091 R)
• M66: 18,189,306 km (0.103 R)
• M67: 18,850,080 km (0.059 R)
• M68: 18,965,719 km (0.037 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 14,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit