🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.56 AU - 0.66 AU

Year: 180 Days

Day: 39.6 Hours

Environment

Temp: 210 °C

Axial Tilt: 28.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.88 AU - 1.22 AU

Year: 408 Days

Day: 12.9 Hours

Environment

Temp: -1 °C

Axial Tilt: 45.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 32,356,627 km

• M1: 246,836 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.34 AU - 1.38 AU

Year: 601 Days

Day: 22.8 Hours

Environment

Temp: -32 °C

Axial Tilt: 111.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.35 AU - 1.73 AU

Year: 724 Days

Day: 38.3 Hours

Environment

Temp: -53 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.25 AU - 3.97 AU

Year: 2598 Days

Day: 21.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,356,627 km

• M1: 1,955,992 km (0.11 R)
• M2: 2,357,064 km (0.077 R)

Asteroid Belt

Center: 4.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 12.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.45 AU - 5.21 AU

Year: 4020 Days

Day: 11.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,356,627 km

• M1: 161,117 km (0.032 R)
• M2: 254,167 km (0.113 R)
• M3: 402,119 km (0.085 R)
• M4: 703,708 km (0.117 R)
• M5: 795,861 km (0.115 R)
• M6: 898,036 km (0.112 R)
• M7: 1,045,988 km (0.089 R)
• M8: 1,322,146 km (0.098 R)
• M9: 1,526,347 km (0.037 R)
• M10: 1,834,219 km (0.062 R)
• M11: 2,003,265 km (0.119 R)
• M12: 2,247,259 km (0.116 R)
• M13: 2,452,657 km (0.049 R)
• M14: 2,865,547 km (0.083 R)
• M15: 3,471,269 km (0.031 R)
• M16: 4,667,154 km (0.054 R)
• M17: 5,230,989 km (0.07 R)
• M18: 5,367,572 km (0.107 R)
• M19: 5,547,837 km (0.079 R)
• M20: 5,881,739 km (0.111 R)
• M21: 6,378,255 km (0.105 R)
• M22: 6,762,422 km (0.057 R)
• M23: 7,329,248 km (0.11 R)
• M24: 7,612,587 km (0.061 R)
• M25: 7,947,686 km (0.108 R)
• M26: 8,068,561 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.8

Radius: 8.8

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.37 AU - 8.41 AU

Year: 9204 Days

Day: 6.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 32,356,627 km

• M1: 115,639 km (0.088 R)
• M2: 284,834 km (0.09 R)
• M3: 375,939 km (0.057 R)
• M4: 443,258 km (0.084 R)
• M5: 592,408 km (0.061 R)
• M6: 1,037,312 km (0.033 R)
• M7: 1,205,759 km (0.113 R)
• M8: 1,864,438 km (0.035 R)
• M9: 2,028,996 km (0.044 R)
• M10: 2,284,659 km (0.063 R)
• M11: 2,372,323 km (0.112 R)
• M12: 2,596,271 km (0.119 R)
• M13: 2,687,825 km (0.072 R)
• M14: 3,894,332 km (0.119 R)
• M15: 4,456,969 km (0.036 R)
• M16: 4,539,398 km (0.045 R)
• M17: 4,874,347 km (0.092 R)
• M18: 5,188,503 km (0.114 R)
• M19: 5,246,248 km (0.101 R)
• M20: 5,304,292 km (0.112 R)
• M21: 5,362,635 km (0.107 R)
• M22: 5,746,503 km (0.099 R)
• M23: 5,836,411 km (0.089 R)
• M24: 6,887,336 km (0.094 R)
• M25: 7,369,490 km (0.083 R)
• M26: 7,467,178 km (0.102 R)
• M27: 7,862,565 km (0.066 R)
• M28: 8,434,178 km (0.108 R)
• M29: 8,570,612 km (0.106 R)
• M30: 8,742,350 km (0.104 R)
• M31: 8,984,549 km (0.05 R)
• M32: 9,123,825 km (0.07 R)
• M33: 9,263,998 km (0.106 R)
• M34: 10,155,900 km (0.091 R)
• M35: 11,829,302 km (0.104 R)
• M36: 13,907,516 km (0.082 R)
• M37: 14,068,782 km (0.087 R)
• M38: 14,720,580 km (0.118 R)
• M39: 14,843,849 km (0.102 R)
• M40: 15,091,583 km (0.103 R)
• M41: 15,298,925 km (0.087 R)
• M42: 15,382,102 km (0.091 R)
• M43: 15,590,940 km (0.106 R)
• M44: 16,862,971 km (0.115 R)
• M45: 17,860,639 km (0.091 R)
• M46: 18,610,274 km (0.112 R)
• M47: 18,877,307 km (0.069 R)
• M48: 19,505,468 km (0.047 R)
• M49: 19,595,675 km (0.099 R)
• M50: 20,506,128 km (0.108 R)
• M51: 21,850,714 km (0.057 R)
• M52: 22,132,556 km (0.117 R)
• M53: 23,032,687 km (0.108 R)
• M54: 23,848,145 km (0.058 R)
• M55: 23,993,105 km (0.06 R)
• M56: 25,015,457 km (0.029 R)
• M57: 25,606,069 km (0.116 R)
• M58: 25,704,953 km (0.088 R)
• M59: 26,450,699 km (0.119 R)
• M60: 26,750,942 km (0.11 R)
• M61: 26,851,322 km (0.053 R)
• M62: 28,014,296 km (0.032 R)
• M63: 28,884,506 km (0.088 R)
• M64: 29,400,470 km (0.054 R)
• M65: 29,659,573 km (0.108 R)
• M66: 29,919,425 km (0.11 R)
• M67: 30,023,545 km (0.08 R)
• M68: 31,230,201 km (0.07 R)
• M69: 31,494,690 km (0.083 R)
• M70: 31,653,713 km (0.067 R)
• M71: 31,865,992 km (0.078 R)
• M72: 32,238,940 km (0.074 R)
• M73: 32,989,023 km (0.105 R)
• M74: 33,258,299 km (0.11 R)
• M75: 33,799,096 km (0.093 R)
• M76: 34,016,162 km (0.085 R)
• M77: 34,506,394 km (0.109 R)
• M78: 36,657,612 km (0.097 R)
• M79: 37,160,111 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.8

Radius: 12.8

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 9.19 AU - 13.95 AU

Year: 14906 Days

Day: 13.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 32,356,627 km

• M1: 399,277 km (0.11 R)
• M2: 528,828 km (0.092 R)
• M3: 618,886 km (0.104 R)
• M4: 1,061,397 km (0.034 R)
• M5: 1,279,211 km (0.093 R)
• M6: 1,381,088 km (0.042 R)
• M7: 2,110,377 km (0.098 R)
• M8: 2,263,117 km (0.104 R)
• M9: 2,579,965 km (0.053 R)
• M10: 2,877,515 km (0.11 R)
• M11: 4,370,352 km (0.114 R)
• M12: 4,686,153 km (0.11 R)
• M13: 5,009,434 km (0.117 R)
• M14: 5,132,553 km (0.042 R)
• M15: 6,330,084 km (0.092 R)
• M16: 6,687,773 km (0.116 R)
• M17: 6,778,280 km (0.089 R)
• M18: 7,516,695 km (0.074 R)
• M19: 8,820,590 km (0.11 R)
• M20: 9,270,580 km (0.114 R)
• M21: 9,779,512 km (0.05 R)
• M22: 10,193,300 km (0.083 R)
• M23: 10,612,772 km (0.106 R)
• M24: 10,824,752 km (0.061 R)
• M25: 12,850,607 km (0.116 R)
• M26: 12,963,403 km (0.079 R)
• M27: 15,109,385 km (0.102 R)
• M28: 15,527,661 km (0.049 R)
• M29: 16,498,102 km (0.048 R)
• M30: 16,682,257 km (0.099 R)
• M31: 16,990,728 km (0.04 R)
• M32: 17,801,548 km (0.08 R)
• M33: 19,009,252 km (0.067 R)
• M34: 19,915,965 km (0.106 R)
• M35: 20,243,285 km (0.093 R)
• M36: 20,440,455 km (0.052 R)
• M37: 21,570,218 km (0.116 R)
• M38: 21,973,683 km (0.106 R)
• M39: 23,751,205 km (0.111 R)
• M40: 24,307,410 km (0.112 R)
• M41: 24,797,493 km (0.104 R)
• M42: 25,008,575 km (0.08 R)
• M43: 26,287,637 km (0.105 R)
• M44: 26,574,715 km (0.086 R)
• M45: 26,718,778 km (0.115 R)
• M46: 27,007,502 km (0.083 R)
• M47: 29,279,744 km (0.118 R)
• M48: 29,651,944 km (0.068 R)
• M49: 30,025,789 km (0.09 R)
• M50: 30,551,625 km (0.075 R)
• M51: 31,689,018 km (0.079 R)
• M52: 32,147,685 km (0.108 R)
• M53: 33,537,299 km (0.075 R)
• M54: 34,631,608 km (0.094 R)
• M55: 35,025,349 km (0.039 R)
• M56: 36,135,515 km (0.087 R)
• M57: 37,418,317 km (0.082 R)
• M58: 39,288,590 km (0.038 R)
• M59: 41,439,059 km (0.082 R)
• M60: 42,444,506 km (0.104 R)
• M61: 42,612,953 km (0.1 R)
• M62: 43,542,854 km (0.038 R)
• M63: 43,712,647 km (0.102 R)
• M64: 46,112,945 km (0.059 R)
• M65: 47,067,529 km (0.118 R)
• M66: 47,941,031 km (0.032 R)
• M67: 48,908,032 km (0.089 R)
• M68: 49,704,042 km (0.117 R)
• M69: 50,415,230 km (0.049 R)
• M70: 50,504,391 km (0.104 R)
• M71: 52,027,746 km (0.054 R)
• M72: 52,388,277 km (0.086 R)
• M73: 54,569,414 km (0.056 R)
• M74: 54,935,779 km (0.095 R)
• M75: 55,027,482 km (0.057 R)
• M76: 56,780,021 km (0.082 R)
• M77: 57,244,224 km (0.104 R)
• M78: 58,363,515 km (0.116 R)
• M79: 59,019,801 km (0.077 R)
• M80: 59,207,696 km (0.085 R)
• M81: 59,490,136 km (0.107 R)
• M82: 60,056,065 km (0.084 R)
• M83: 60,150,461 km (0.112 R)
• M84: 61,003,319 km (0.12 R)
• M85: 61,859,916 km (0.081 R)
• M86: 63,392,846 km (0.102 R)
• M87: 64,164,023 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.3

Radius: 3.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 13.83 AU - 14.57 AU

Year: 20267 Days

Day: 23.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 32,356,627 km

• M1: 58,642 km (0.072 R)
• M2: 145,559 km (0.094 R)
• M3: 182,659 km (0.108 R)
• M4: 305,778 km (0.059 R)
• M5: 335,398 km (0.032 R)
• M6: 419,323 km (0.12 R)
• M7: 558,150 km (0.101 R)
• M8: 658,530 km (0.052 R)
• M9: 697,724 km (0.097 R)
• M10: 764,744 km (0.114 R)
• M11: 1,162,226 km (0.098 R)
• M12: 1,340,247 km (0.095 R)
• M13: 1,561,652 km (0.079 R)
• M14: 1,667,717 km (0.054 R)
• M15: 1,831,228 km (0.049 R)
• M16: 2,115,015 km (0.109 R)
• M17: 2,193,105 km (0.116 R)
• M18: 2,351,978 km (0.084 R)
• M19: 2,412,565 km (0.039 R)
• M20: 2,555,880 km (0.04 R)
• M21: 2,915,513 km (0.11 R)
• M22: 2,958,747 km (0.072 R)
• M23: 3,134,375 km (0.106 R)
• M24: 3,822,375 km (0.103 R)
• M25: 4,454,875 km (0.042 R)
• M26: 4,732,080 km (0.085 R)
• M27: 5,197,778 km (0.109 R)
• M28: 5,732,142 km (0.107 R)
• M29: 6,480,879 km (0.109 R)
• M30: 7,172,021 km (0.086 R)
• M31: 7,825,764 km (0.099 R)
• M32: 8,251,669 km (0.113 R)
• M33: 8,778,852 km (0.036 R)
• M34: 8,810,118 km (0.112 R)
• M35: 9,316,955 km (0.095 R)
• M36: 9,445,011 km (0.044 R)
• M37: 9,832,918 km (0.081 R)
• M38: 10,391,517 km (0.101 R)
• M39: 11,333,535 km (0.076 R)
• M40: 11,538,933 km (0.088 R)
• M41: 12,023,031 km (0.086 R)
• M42: 12,478,407 km (0.108 R)
• M43: 12,513,712 km (0.108 R)
• M44: 12,655,082 km (0.102 R)
• M45: 13,118,237 km (0.049 R)
• M46: 13,190,044 km (0.106 R)
• M47: 13,478,319 km (0.119 R)
• M48: 14,540,763 km (0.086 R)
• M49: 14,950,811 km (0.112 R)
• M50: 15,025,760 km (0.11 R)
• M51: 15,176,106 km (0.03 R)
• M52: 16,512,164 km (0.029 R)
• M53: 16,744,938 km (0.113 R)
• M54: 16,939,864 km (0.118 R)
• M55: 18,284,450 km (0.051 R)
• M56: 18,324,542 km (0.066 R)
• M57: 18,485,210 km (0.084 R)
• M58: 18,686,569 km (0.095 R)
• M59: 21,496,167 km (0.101 R)
• M60: 21,538,503 km (0.072 R)
• M61: 21,877,791 km (0.074 R)
• M62: 21,920,277 km (0.068 R)
• M63: 22,690,706 km (0.111 R)
• M64: 22,949,510 km (0.088 R)
• M65: 23,209,362 km (0.107 R)
• M66: 23,252,745 km (0.08 R)
• M67: 23,862,955 km (0.088 R)
• M68: 23,950,619 km (0.058 R)
• M69: 24,390,287 km (0.044 R)
• M70: 25,232,972 km (0.116 R)
• M71: 25,322,132 km (0.036 R)
• M72: 25,859,937 km (0.112 R)
• M73: 27,541,566 km (0.056 R)
• M74: 27,909,876 km (0.079 R)
• M75: 28,418,808 km (0.107 R)
• M76: 30,295,214 km (0.041 R)
• M77: 31,392,216 km (0.097 R)
• M78: 32,114,624 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 19,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit